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Reptiles

Laboratory Animals and Exotics

QuestionAnswer
Ecydysis When reptiles shed their skin.
Chromatophores specialized pigment-containing cells in the integument that allow for changing of skin color and pattern.
Coelom The visceral cavity of reptiles.
Carapace The dorsal shell of chelonians.
Plastron The ventral shell of chelonians.
tomia Keratinized beaks to acquire and tear food
Oviparous egg laying
vivparous live bearing
Columella single bone in the middle ear
tail autonomy defensive mechanism that lizards use where they drop their tail when pursued.
Salmonella zoonotic disease that can be transmitted by reptiles
ICe intracoelomic
vagal response induces a short-term, trance-like state, allowing time to take radiographs and in some cases even draw blood.
Microtainers blood collection tubes used for reptiles
Cloacal washes used to collect feces for laboratory analysis.
Dysecdysis when reptiles have problems shedding their skin
Metabolic Bone Disease the result of long-term dietary deficiency of calcium or vitamin D, a lack of exposure to UV light, and/or a negative dietary calcium-to-phosphorus ratio
Hypovitaminosis A a disorder seen in chelonians when that are fed a diet of vitamin A poor foods such as lettuce and cucumbers; it affect numerous epitelial tissues; most common clinical sign is edema of the eyelids
Blepharedema edema of the eyelids
Gout when there is an increase in uric acid in the bloodstream that results in the deposition of the excess uric acid crystals around the joints, in the SQ space, and in the viscera
Why is euthanasia difficult in reptiles? their veins are hard to find
Which "gram" bacteria are considered nonpathogenic in reptiles? gram-positive
What are common ectoparasites for reptiles? ticks, leeches, and mites
In snakes, what is the most accessible vein to draw blood from? caudal tail vein
Chelonians have four sites where blood may be collected. What are they? radial-humoral plexus, subcarapacial venous sinus, dorsal venous sinus(coccygeal vein), and jugular vein
Transtracheal washes may be done to help with the diagnosis of what? Pneumonia
What vein is the most accessible for blood collection? caudal tail vein
What can a technician do to lizards to stimulate the vagal response? apply finger pressure to eyes or place cotton balls over their eyes
What are the normal radiographic views taken of chelonians? DV, horizontal lateral, and horizontal craniocaudal
Do chelonians have a diaphragm? NO
What are the normal radiographic views taken of snakes? DV, VD, and lateral
Why do radiographs of reptiles usually turn out with poor image contrast? lack of body fat, no separation between abdomen and thorax, and the scales superimposing
Which monitoring parameter is not usually assessed during anesthesia on reptiles? pulse oximetry
Which injectable anesthetic inducing drug is more commonly used on reptiles? propofol
Why is it easy to intubate snakes?? they don't have an epiglottis to get in the way!
What is the best catheter site for chelonians? jugular vein
What is the best catheter site for lizards? ventral and lateral caudal tail vein
What is the best catheter site for snakes? ventral caudal tail vein
What is the preferred route to give fluids to reptiles? ICe-intracoelomic
How can you tell that a tortoise is a male? they will have a concave plastron which helps them to be able to breed
What instrument is most commonly used to listen to the heart in reptiles? doppler
In most reptiles, if they have a systemic infection or they are septic, they will show what physical abnormality? petechiae and ecchymosis
What is the main anatomical part of a reptile that we as technicians need to restrain to protect our selves? head
Are turtles oviparous or viviparous? oviparous
Reptiles excrete what three things? urine, urates, and feces
If a nephrotoxic drug was given to a turtle in the hind leg muscle, what could be the problem? The renal portal system! The kidneys are located more caudally and they have a large amount of vessels that are connected. If a drug is given caudal to the kidneys, the kidneys will pick the drug up first before it can even get to the rest of the body.
Which animals shed their skin all at once? snakes
Which animals shed their skin in bits and pieces? lizards and chelonians
How many digits do reptiles have on their front and rear limbs? five on each
What function does the forked tongue have for snakes and lizards? it carries scent particles to the vomeronasal organ, aka-Jacobson's organ and it is connected to the oral cavity.
Ectothermic reptiles get most of their body heat from outside heat sources
Created by: spoitevint