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sea turtle quiz 4

QuestionAnswer
How many sea turtles facilities take on stun turtles during winter months only 15
What are the 3 key objectives when it comes to successful sea turtle husbandry proper nutrition clean environment to promote healing minimal amount of stress
What are the two types of housing systems flow through closed loop
Where is the flow through system water drawn from natural sea water source
How does the flow through system water meet water quality parameters sufficient turnover
What must the flow through system have a mechanical component
Pros of a flow through system less expensive less staff expertise needed to maintain
Cons of a flow through system chance for water source becomes contaminated (will need alternative source) Intense water treatments needed
What does the closed loop system do for the water recirculates and filters water for reuse
What source(s) of water can be used in a close loop system natural or synthetic
Pros of closed loop system saves on water need and use no outside contamination from a water source
Cons of closed loop system more expensive complex system greater experience needed
What does the nitrogen cycle begin with decomposition of organic material, release of excrement, administering meds
What does nitrifying bacteria oxidize ammonia (NH3)
What does the oxidized ammonia turn into moderately toxic nitrites (NO2)
What does nitrites get oxidized into nitrates (NO3)
What two genera of bacteria facilitate ammonia oxidation nitrosomonas and nitrosospira
Where are nitrifying bacteria typically found (where do they colonize) dark oxygenated areas
How is salinity measured with a refractometer, conductivity meter or hydrometer
What is the specific gravity of sea water kept at between 20 ppt and 35 ppt
How is salinity decreased or increased raising or lowering water temperature
What does raising the water temperature do to salinity decreases it
How long can sea turtles be held in water that is more or less saline water per week 24 hours
Why does the salinity of outdoor pools fluctuate often evaporation and dilution caused by heat and rain
Why do shallower tanks have quick salinity changes greater surface area
Why do sea turtles rely on environmental temperatures dont generate metabolic heat
What may interfere with an ectotherm's metabolism, immune response, digestion and mobility temperatures outside of its normal range
What temperature must the sea turtles be kept at 68F and 86F
High temps can promote what with turtles rapid growth of parasites and bacteria
pH for water of sea turtles need to be between 7.2 to 8.5
Optimum pH range for nitrifying bacteria 6.5 to 9
What two elements are considered non-sterilizing agents that non-selectively kill all organisms chlorine and bromine
What is the most common disinfectant agent used for sea turtles chlorine
How is efficiency of chlorine determined concentration/pH/number and type of microorganisms/contact time/amount of organic material
What does chlorine and water form and whats it considered hypochlorous acid which is a form of free chlorine
How do chloramines form hypochlorous acid reacts with free ammonia in the water
What do sea turtles produce that decrease the efficacy of chlorine organic matter
What does total chlorine consist of free and combined chlorine
What is used to remove chlorine and bromine from a system sodium thiosulfate
What does activated carbon do and why isnt it used frequently remove chlorine required frequent replacement of carbon filter
3 types of filtration mechanical chemical biological
two most common types of mechanical filtration bead filter protein skimmer
When is biological filtration best placed after mechanical filter so media doesnt have debris covering it
What are bio-filters used for providing large amounts of surface area to allow nitrifying bacteria to colonize
Types of filters trickle towers submerged media fluidized bed bio-reactors sand filters
Why are protein skimmers used produces foam which has bubbles with a lot of surface tension
What are found in the bubbles of the protein skimmers' foam proteins, AA, nitrogenous compounds
what do protein skimmers introduces to the LSS ozone
What does the protein skimmer trap surfactants (proteins, fats, and oils)
In relation to protein skimmers when are surfactants the most stable in bubbles
How are bubbles created in a tank protein skimmer pumps air into water column
How is the foam matrix created bubbles with trapped surfactants rising to the top of the water column
The protein skimmer also is the site where what is injected ozone
What happens during oxidation chemical substance loses an electron
What happens during reduction chemical substance gain an electron
What is stored during reduction energy
What is redox and how is it measured oxidation/reduction potential millivolts
what does the ORP (redox potential) measure tendency for a solution to gain or lose electrons when a new chemical is introduced
A solution with a high redox potential will likely do what gain electrons
A solution with a low redox potential will likely do what lose electrons
How are pH and ORP related inversely
When pH decreases what happens to ORP ORP goes up
1 pH degree is how many millivolts 59 milivolts
colder water has a ____ ORP higher
Why does ozonated water have a high ORP availability of excess oxygen atoms which have a strong affinity for electrons
what is ozone used for in tanks water clarification
How does ozone clarify water oxidizes the carbon bonds of pigmented compounds, ammonia, and nitrite, controlling pathogens and decreasing turbidity
What does the ozone generator do creates extremely dry air and charging the air
Why does the ozone generator charge the air makes a very unstable ion that will break off to oxidize anything
Why is ozone added in an external chamber where the animal is not it can oxidize animal tissues
How is excess ozone removed activated carbon or de-gas towers before water returns to tank
how is ozone efficacy measured ORP probes, water clarity, measuring amount of undesirable bacteria in water
Why shouldnt ORP be above 500 mv it will destroy ALL organic matter
What is the acceptable ORP range for an aquarium 200-500 mv
What is the recommended ORP range 300-450 mv
Describe the system for turtle rehabs for non-euthanized turtles stranding, STSSN, facility, recovery, release or permanent collection
Why are not many facilities able to take in turtles who need permanent homes need lots of space long-lived intelligent
What are some of the cognitive abilities turtles have long-term retention of visual discrimination tasks Learning through social facilitation/stimulus engagement spatial and memory capabilities similar to mammals and birds
What are some of the complex sensory systems turtles have visual olfactory auditory
what is the simple definition of animal welfare living a natural life, being fit and healthy and being happy
Why is animal welfare more difficult in reptiles than in mammals not very expressive/ tough to get a read on emotions
What is a primary way welfare is assessed objective behavioral assessments
Describe some of the behaviors that are wanted in behavioral assesments diving, sleeping, foraging, cleaning, basking, interacting, migrating etc
What are some bad welfare indicators aimlessly swimming repetitive behaviors excessive lethargy
what are some good welfare indicators curiosity focused behavior energy/activity
define environmental enrichment any technique intended to improve the well-being of a captive animal (often done by manipulating the enviornment)
What is the enrichment equation enclosure capacity (C) volume and depth + static stimuli (Ss) + active stimuli (Sa) + directed stimuli (Sd)
What is the minimum enclosure size for a 50 cm turtle 1000 gallons
What are some of the areas static stimuli can refer to cover (full and partial) patterns colors complex shapes resting surfaces
What are some of the areas active stimuli can refer to natural light cycles live animals (single or multiple taxa) other turtles movable objects extra-enclosure stimuli
What are some of the areas directed stimuli can refer to problem solving persistence association tactile stimulation
environmental enrichment (Ss and Sa) should elicit what wild-type behaviors
What should be included in a BMP (behavioral monitoring program) ethograms continuous observations instantaneous observations
What is an ethogram list of things something does
continuous observations definition record of all of an animal's behaviors, and their duration for a given period of time
instantaneous observations definition record of an animal's behavior at discrete moments within a given period of time
What are the rules for collecting BMP data 1. agree on definitions 2. assign "covariates" that are most relevant to circumstances 3. commit to pre-determined protocol 4. create ethogram that captures most relevant behaviors and fits caregivers' routines
What need to be done to elevate behavioral monitoring bloodwork, weight, wellness (W)
When determining recoverability and releasability: Just because something can be done.... doesn't mean it should
When is stunning most likely to occur 54 F water or lower
When is stranding most likely to occur 50 F water or lower OR sustained cold
What season do most strandings occur in late fall
What age range typically strands the most juveniles
What are some circumstances that typically end up classified as an acute stranding southern latitudes short durations lower morbidity/mortality quicker turn around
What are some circumstances that typically end up classified as an chronic stranding northern latitudes (later in season) protracted colds more severe morbidity/mortality long term rehab necessary
What species (single or plural) are typically seen in acute cold stuns greens
What species (single or plural) are typically seen in chronic cold stuns kemps, greens, loggerheads
What materials are needed for initial assessment cloacal thermometer doppler (+/- ultrasound) fluorescein, ophthalmoscope blood collection wound care emergency medical supplies
What should be done during the initial physical exam temperature vitals (check for bradycardia or bradypnea) body condition trauma (predation/scavenging) nares, oral cavity, eyes comorbidities
What are the minimum diagnostics that must be done on a turtle after arriving blood work
What bloodwork must be done POC indices CBC, chem (only if appropriate)
What are the POC indices done in blood works Glucose (+/- lactate) blood gas (electrolyte status, acid base) PCV/TS
Where is blood typically drawn from dorsal cervical sinus L or R neck lateral to cervical muscle bellies
What hematological derangements are seen in the chemistry panel hyper/hypoglycemia hyper/hyponatremia hyper/hypocalcemia hyper/hypokalemia Low/elevated BUN elevated UA Hypermagnesemia hyperchloremia hypoproteinemia
What hematological derangements are seen in the iSTAT/blood gas panel mixed metabolic and respiratory acidosis hyperlactermia hypercarbia low bicarbonate
What hematological derangements are seen in the CBC panel anemia or markedly elevated PCV leukocytosis
What is something very common about initial bloodwork assessments HIGHLY VARIABLE
What are some symptoms turtles can show and still survive mixed metabolic/respiratory acidosis low ionized calcium high ionized magnesium low BUN
What are some symptoms turtles can show and have a low survival chance higher potassium higher pCO2 lower pO2 lower pH lower bicarbonate
What are some additional abnormalities seen in turtles coagulopathies elevated corticosterone low/undetectable fT4
what abnormalities are seen in relation is coagulopathies reduced clot strength prolonged clotting time
Why is elevated corticosterone an abnormality above upper reference range for species implications for immunosuppression
Why is low/undetectable fT4 an abnormality associated with persistent anorexia/reduced activity
What are the main image types used for xray DV Cd L and R lateral
What is the first thing addressed during treatment plans hypothermia
What does treating hypothermia involve slow correction increase by 5F per day in core body modulation of environmental temperature
What is the lower limit a turtle body can be at 55F
What is the target temperature for a turtle 78F
What is the second thing to be addressed during treatment plans swim trials
What is involved in swim trials assess responsiveness test daily extend duration as appropriate
What is the order of water types (salt, fresh, brackish) that turtles are tested in fresh, brackish, salt
When patients are dry docked what needs to be provided adequate padding
After swim tests and correcting hypothermia, what is done next fluid therapies, antimicrobials, supplements, feeding
What is fluid therapy based on initial bloodwork to correct abnormalities
What are the two biotoxins not detected in turtles anatoxins and cylindrospermopsin
Anatoxins produce what neurotoxins
cylindrospermopsin produce what hepatotoxin
What biotoxin is primarily observed in Greens Domoic acid (neurotoxin; ASP)
Lyngbyatoxins is what type of toxin dermatoxic
What countries/state typically see Greens with Lyngbyatoxins Madagascar, Australia, Florida
Lyngbyatoxins promote what in turtles FP (tumors)
Microcystins create what type of toxin hepatoxin
What species and where are Microcystins seen typically Greens in florida
Microcystins promote what in greens tumors
Nodularins create what type of toxin hepatotoxin
What species and where are Nodularins seen typically Greens in Florida
Okadaic acid creates what type of toxins/problems gastrotoxic DSP (Diarrheic shellfish poisonings) Tumor promoter
What species is typically seen with Okadaic acid problems and where Greens Hawaii, FL, Brazil
What species were seen to be negative for Domoic acid FL loggerheads (internal tissue) Pacific leatherbacks (plasma)
Lyngbyatoxins are observed in what species Greens (internal tissue)
What species was seen to be negative for Okadaic acid in FL loggerheads
What type of toxin are saxitoxins neurotoxins PSP (Paralytic shellfish poisioning)
What species and where are saxitoxins seen Greens in FL and Mexico Olive Ridley in El Salvador and Mexico
What species and where were not seen to have Saxitoxins Loggerheads in FL
What dinoflagellate causes red tide Karenia brevis
What does K. brevis release neurotoxins (brevetoxins)
Where are red tides typically seen annually gulf of mexico
Where are red tides rarely seen east coast of FL
How are many turtles exposed to brevetoxins (3 ways) 1. inhalation of aerosolized toxins 2. ingestion of water 3. ingestion of exposed prey
Out of the 3 ways turtles are exposed to brevetoxins, what is the most common ingestion of exposed prey
What are the symptoms of brevetoxicosis muscle twitching circling head bobbing ataxia lethargy paralysis
What control strategies are completely effective and acceptable for red tide none
What previous therapies were used in sea turtles in relation to red tide removal from sources of brevetoxins Diuresis/activated charcoal/fluid therapy
What new treatments are in development for sea turtles in relation to red tide/brevetoxins ILE (intravenous lipid emulsion)
At what rate is ILE given to a sea turtle 25 mg/kg 1 mL/min
How are plasma brevetoxin concentrations determined ELISA
Describe FP benign, cutaneous tumors seen on turtles' soft and hard tissues (ex: neck, flippers, plastron, carapace, eyelids, etc)
Can FP be internal? yes
Why is FP the most important infectious disease for sea turtles reported in all countries and oceans 50-70% of greens have FP in FL
What species are typically seen to have FP All 7 species
What species has reached pandemic proportions of FP Greens
What causes FP ChHV5 virus Environmental triggers Host immune interference
Why is ChHV5 listed as a cause of FP has been identified in all FP tumor in PCRs
How is it suspected that ChHV5 is transmitted viral shedding
Why is ChHV5 alone not enough to cause FP seen in healthy turtles
What are some examples of environmental triggers that could cause FP Higher temperatures Pollution Eutrophication Algal blooms
What are some examples of Host Immune Interference that could cause FP any form of stress immune system suppression
What are some examples of viral shedding to transmit ChHV5 open water transmission (horizontal) Mother to offspring transmission (vertical) Vectors: leeches
The more tumors a turtles has the more ___ is in the water ChHV5
How to make a diagnosis of FP presumptive when masses are consistent with FP appearance Biopsy and histopathology if needed PCR
What are some poor prognoses associated with FP Internal tumors Intraocular tumors Higher tumor score aggressive recurrent tumors bone tumors
When scoring a tumor, what should also be considered co-morbidity conditions
Examples of co-morbidity conditions to consider during tumor scoring emaciation, anemia, hypoproteinemia, etc entanglement, line ingestion boat strike injuries flotation abnormalities secondary bacterial/fungal infections
Visceral tumors are typically identified as.... fibromas, myxofibromas, fibrosarcoma
Where are internal tumors typically found any internal organ
What are some tools used to diagnose internal tumors Rads CT Laparascopy ultrasound endoscopy
What diagnostic will not pick up an internal tumor unless severe Rads
When are CT scans used for in relation to internal tumors lungs and bones contrast useful for kidneys/liver granulomas
What measurement is used for CTs HU (hounsfield scale)
a larger FP tumor has a ____ HU larger
Granulomas typically have a ___ HU compared to FP tumors lower
Exploratory laparoscopy typically misses tumors along the... dorsal surfaces
When is ultrasound used to ID FP kidneys and liver maybe bladder
GI endoscopy is typically used for FP diagnosis when Esophageal, stomach and intestinal tumors
When is Gi endoscopy the most impractical early stages of the tumor
When should FP be treated (before or after co-morbidities) after
How can FP be removed CO2 lasers
What are some medical trtmnts used for FP Antivirals chemotherapy electrochemotherapy radiation vaccines
are antivirals successful in treating FP NO
Why is CO2 treatment of FP the gold standard excellent hemostasis and speed prevents surgical site contamination/infection contactless incision less surgical prep time
What blood work should be done pre-op before using a CO2 laser PCV, TP, Alb, uric acid
What pre-op blood work portion is the most important uric acid
How is tumor priority determined size, location, deteriment to patient, periocular tumor blocks vision, mobility limiting tumors, necrotic and infected tumors, heavy burdens divide into anatomic regions
What pre/post op pain medication is not able to be used in loggerheads meloxicam
What pre/post op pain medication can be used in turtles tramadol meloxicam ketoprofin gabapentin
How long are pressure wraps kept on a turtle after FP removal 24 hrs
How often/how long should post-op assessments be done Q72 hrs 2-3 weeks after surgery
What wound care should be done after removing FP remove any biofilms to prevent infection debride loose caseous material Q1-2 weeks to help healing
How soon after FP surgery should a turtle be released 2-3 weeks post-op
What are some requirements a turtle must meet to be released after FP removal WNL bloodwork incision is fully healed no new tumors/regrowth
Electroporation application of electrical pulses to cellular membranes to alter membrane permeability and subsequently induce pore formation
Electroporation formation of aqueous pores in lipid bilayer initiated by penetration of water molecules into lipid bilayer
What is the goal of electroporation reorientate adjacent lipids with polar heads pointing towards water molecules
Benefits of ECT Expanding drug options to include hydrophilic drugs Decreasing total chemotherapeutic dose Targeting neoplastic cells over healthy cells due to their increased susceptibility of electroporation
Benefits of ECT in turtles eliminates the need for surgery and general anesthesia enhanced effects of bleomycin no regrowth in pilot
When is systemic electrochemotherapy used unresectable tumors tumor continues to regrow after surgery poor surgical candidates
What are some side effects seen from systemic electrochemotherapy sterile heterophilic dermatisis transient self-limiting heterophilia
Pros of systemic electrochemotherapy less potential exposure risk ability to treat all tumors potential for internal tumor treatment
Cons of systemic electrochemotherapy potentially greater side effects potentially less effective on a tumor-by-tumor basis Limit of 1 cm^3 penetration
Has spontaneous tumor regression ever happened? Yes
What should be used instead of general anesthesia in FP surgeries local blocks
What is the sedation cocktail given by IV made out of Dexmeditomidine ketamine butorphanol
What is another local block that can be used instead of the sedation cocktail lidocaine
How is lidocaine given to a turtle before a FP surgery intrathecal
How long does lidocaine last for 1 hr
What should you use to sterilize an area for surgery if you are using a CO2 laser chlorhexidine or betadine followed by saline
Why should you not use alcohol when using a CO2 laser its flammable
What 5 turtles nest on FL beaches Loggerhead Green Leatherbacks Kemps Ridley Hawksbill
Loggerhead egg are the size of... ping pong balls
Green turtle eggs are ___ when compared to loggerheads slightly larger
When are loggerheads known to lay early spring
When are greens known to lay late spring
leatherback eggs are ____ than greens eggs slightly larger
When are leatherbacks most likely to lay march through june
What can Kemp's Ridley's egg size be compared to ping pong balls
When are Kemp's seen to nest April to July
What turtle has the smallest egg size Hawksbill
Where is the only place Hawksbills have been seen nesting in FL Keys on "pocket beaches"
When is sea turtle nesting season March through October
What is the SCL measurement Straight carapace length
What is CCL measurement Curved Carapce length
With hatchlings what is a crucial step in the rehab process monitoring for fecal output
What is the sargasso sea floating mats of sargassum
What does the sargasso sea do provides structured habitat, rich food supply, predator protection, and thermal benefits
When is the sargasso sea useful first few years
List some threats to sea turtles coastal development artificial sky glow Water vessel strikes pollution poaching commercial fishing marine debris predators
Where do sea turtles grow up? 5 massive gyres in the ocean that are created by the currents
Why are gyres important hatchlings swim to these currents to live/feed there for the first couple years
What are currently happening in these gyres garbage is building up
Why is the garbage in these gyres bad hatchlings will ingest the garbage and die
When rescuing a sea turtle hatchling what are the things you need to do place hatchling in a bucket with moist sand DO NOT ADD WATER keep in shade bring hatchling to drop off location
Is a sea turtle stranding report necessary for hatchlings no
After taking a hatchling out of a drop-off cooler (staff only) what should immediately be done evaluate all abnormalities with an exam and swim test
If a hatchling cannot swim. cannot, crawl, has no eyes or cannot open its mouth what is the most likely scenario euthanasia
hatchlings that die naturally or are euthanized are sometimes preserved for permitted research
When dropping off a washback what are some things that should be added to the label organization name species Notch-tip measurement location (GPS and full address)
After completing the washback label, what is the next step text the photo of the washback next to the label to the listed number
What are some examples of congenital disorders defects of the limbs pigmentation disorders conjoined twins
When are hatchlings needed to be brought to rehab injured failed to release abnormalities
Why is a wet towel needed when dry-docking a turtle prevent its skin from drying out
When do hatchlings have a higher success rate of recovery and passing any fecal/plastic when they are kept hydrated with SQ fluids
What is the best rate for the SQ fluids to help hatchlings pass fecal/plastic and for how long 10-20 ml/kg every day for at least 1 week
Why should heat lamps be tested before use on an animal ensure conditions are as similar to what they would experience in the wild as possible
When should a hatchling be dry-docked if it is struggling to swim
What should the water chemistry be like for a tank housing a hatchling should match the ocean water where they would live naturally between 32-36 ppt
what should the water temperature be like for tank housing a hatchling 72-86 F match water temperature to where they will be released at
What temperature should the water for a leatherback hatchling be at and why 69-74 F control bacteria growth
Artificial light for a tank should be at a range of 290-320 nm
How long should the photoperiod be if using artificial lighting natural sunrise to sunset cycle
How are hatchlings separated after intake (how many groups roughly) 2-4 groups roughly based on eating and health
What group of hatchlings is always going to be on the far left strongest, aggressive eaters
What group of hatchlings is always going to be on the center left stronger, eating well
What group of hatchlings is always going to be on the far right injured, weak- resting on hammock
What group of hatchlings is always going to be on the center right strong, eating a little
For both left categories and center right, how after are they fed 2x daily, one in morning and one at night
How often is the far right group fed 1x daily
Why should gloves be worn when handling a leatherback juvenile susceptible to different skin infections
With what material should leatherback juveniles be washed with and what should be avoided bedadine avoid eyes
After cleaning your juvenile what should be done tether turtle to center of tank using Velcro, PCV, fishing gear
Why should a leatherback juvenile be tethered to the center of your tank prevent it from banging against the side of the tank
What fluid is preferred for hatchlings LRS
Where are fluids administered for a hatchling SQ through shoulder
What needle gauge is used for hatchlings 27 g
How many ccs of LRS are given to a hatchling 0.5 cc
How many ccs of LRS are given to a post- hatchling 1.0 cc
How many ccs of LRS are given to a small juvenile (10-15 cm) 2.0 cc
How many ccs of LRS are given to a large juvenile (over 15 cm) calculate by weight
What are hatchlings and washbacks fed krill, fish, gruel, veggies and gel
How much gruel is a hatchling or washback fed initially (after determined by a vet) less than 0.5% of body weight
How much is the max amount of gruel a hatchling or washback could receive 3% of body weight
Where are hatchlings and washbacks released in a patch of sargassum seaweed (3-15 mi offshore in gulf)
The enrichment equation affects what score wellness score (W)
Write out the enrichment equation in relation to the wellness score W = C (v/scl + d/scl) + Sd+Ss+Sa
Created by: Kayla_K
 

 



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