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histo2 test 1

QuestionAnswer
all components of the ______develop from the hypophysial (rathke) pouch Adenohypophsis
name the hormones described: A.causes contraction of unterine smooth m B.secretion is stimulated by an increase in blood osmolarity C.secreted by neuorons of the hypothalamus and target cells a.oxytocin b.adh c.rf and irf
what is the function of hypothalamic-hypophysial portal system to make sure []of RF and IRF are high enough to stimulated target cells
describe the struc of least permeable capillary continuous endlothelium layer w b.l.(occluding jxnts)
compare a medium size artery with medium size vein greater cross x area,less elastic,more collagen
which vessels act as auxillary pumps during diastole elastic arteries
why is accumulation of fluid in the pericad cavity life threatening bc fibrous layer doesnt stretch well, it puts pressure on the heart and it cant fill with blood
what struc separates atrial m from ventricular m cardiac skeleton
what cytological characterstics of the purkinje cells are respons. for their rapid conduction rate larger cells, lots intercalated disks,lots gap jxnt,glycogen
what disease begisn in the t.intima of arteris and may cause aneurysm atheroma
what childhood disease may have complication which result in damage to mitral valve rheumatic fever
what is the normal funct.of bronchial smooth m distribution of air
exhalation at rest is produced by what 2 forces elastic recoil and surfactant
surfactant descreases surface tension at the surface of the alveolus. How does it aid respiration. expands alveoli during inspiration,helps recoil during expiration,prevents collapse
which cell population of the olfactory mucouse is capeable of producing new receptor cells basal cells
what cytological charatc. of the parietal cell reflect its major function more mitchondria
in which of the following cells of the digestive system correctly matched with their secretory product B.undifferentiated cells of the small intestine secrete isotonic alkaline fluid (2-3liters a day)
explain how sympth stimulation may promote the development of duodenal ulcers decreases the release of alkaline mucous from the submucosal glands.the absent of this protective layer may lead to ulcers
terminal digestion of most carbs and proteins is accomplished by glycocalyx
in HIRSHSPRUNGS disease>>>>>>>>>>>>cells are absent ganglion
name the hormone of the GI tract A.secretion of alkaline fluid B.section of digestive enzyme C.section of pepsinogen A.secretin B.pancrozymic C.gastrin
which of the following structure are present in small but absent in large intestine villi and paneth cells
which of the following are generally charact. of hepatocyte form bile canaliculi, synthesize and secrete most plasma proteins
destruction of hepatocytes and loss of their relation.with sinusoids ......bla bla cirrosis
how does the structure of elastic artery relate to its function lots of elastic tissue to stretch and recoil during contraction and relaxation
what struct. pierces the cardiac skeleton to provide the only means of communication between atria and ventricles av bundle
which spec cardial m is charact. by a large size,more gap jxnt and few myfibrils B.what implications does this structure have for the funciton of these cells purkinje fibers B.inter disks for fast conduction speed
consider the parietal pericardium. What charactersitcs make it non-distensible dense fibrous outer layer
give two important roles of elastic c.t.in airways of lung keeps tubes open,passive expiration/recoil
type II penumocyts secrete _____which causes >>>>>______ surfactant,alveoli to expand
even though hepatocyte pop may regenrate, liver failure may still develop new cells cant form connections with sinusoids
give the two targets for pancrezymin and their responses aciner cells-respond by secreting digestive enzyme..2..smooth m of the gall baldder emits bile into the digestive tract
give two functions of the isotonic alkaline fluid secreted by the epithelium of the small intestine increase fluidity during digestion and neutrlize acidic contents entering small intestine
explain how autonomic stimulation of the submucosal duodenal glands may contribute to duodenal ulcers reduce output of alkaline fluid
how does the structure of the chief cell in the stomach relect its function secretion of pepisinogen
in general proteins and carbs are picked up in blood in the villi of small intestine and trans to the _______ via the ____- liver,microvilli
the breakdown of thryoglobulin to active hormones by lysosomal enzymes
what keeps bronchioles patent elastic c.t.
what forces produce exhalation at rest elastic ????
list the components of the blood air barrier in order A.alveolar macro B.basal lamine of endo C.basal lam of epi D c.t. elastic E c.t. reticular F.endo-continous G.endo-fenestrate H smooth m I.type ) pneumocyte J .type 2 pneumo I,C,B,F ?????
which layer is destroyed in ulcertive colities and what are the major sings of this cond mucosa, diarrhea??
cirrhosis may result in portal hypertension, why/ new cells cant connect with sinousoids
what is the source of blood entering the hepatic sinusoids hepatic a and portal veing
give the stimulus for the secretion of antidiuertic hormone under normal cond less bv and more blood osmolarity
name the cells which secret releasing factors and give their location neourson of hypothalamus
name the hormones A.contibute to development of ovarion follicle its secrtion is inhibited by thyroid hormones follicle sh,???
which of the following is true of growth hormones enhances the utilizatio of fats for energy and increase protein stores
name the cells of GI mucousa :A.secrete isotonic alk fluid B.enzymes in the glycocalyx C. are highly acidophilic due to large number of mitochondira undifferntiated,absorpitve,parietal
in general, aneursyms and thromubs formation are consequences atheroma
give 2 major consequences of coronary a disease angine,myocardial infarction
what cytologic char of av node are related to slow conduction smaller ,less ______
describe the structure of the most permeable vessel discountnous w basal lamina
which type of artery controls the flow of blood to regions of the body muscluar artery
in the resp tree....hylaine cartilage from trachea to_______,elastic from trachea to ______ bronchi,alveolus
what component of the bronchi is primarily responsible for directing air smooth m
which copd disease results in loss of elastic emphysema
epithelia metaplasia of distal esophagus is caused by acid reflux--cells change to stomach like
rectal colums are formed by dialted venous plexuses
what problems result from calcific valve disease of the aortic valve impairs blood flow from left ventricle
which blood vessel has greatest permiability discountinous sinusoid
what are the major comp of t.media of elastic a alternating layer of smooth m and elastic tissue
which blood vessel is important for maint normal arterial blood press arteriole
what producsts are secreted by the serous cells of the salivary glands lactoferrin, igA,enzymes amilase
live failure may include sympt of confusion.........distrubance of which of the liver major functions >>>
which cells of the gall baldder respond to cholecytokinin smooth m for ejection
consider the digestion of carbs. polysacch are broken down by _________and dissachrides are broken down by____________ digestive enzymes, glycocalys of absorptive cells of small intestine
the internal anal sphincter is formed of INNER CIRCULAR LAYER OF MUSCLULAR EXTERNA
secretin stimulates ________in the bile duct and ______ alkaline fluid
name one of the 3 major abnor of the heart valves rheumatic valve disease
why would an organ have continous capillaries with occluding jxnt less permeability
what is the major function of muscular /medium size a supplies regions of the body
besides being thinner, how does the myocardium of the atria differ from that of ventricles more elastic fibers, ////add
which copd disease abnornaml smooth m and large mucous glands chronic bronchitis
esophageal varices may result form ,,why acid reflux, cause ulceration of the esophagus
how does the absopritve cell of the small intestine contribue to the digestion of proteins enzymes of glycocalyx
most plasma cells are synthsized in liver
in the lactating mammary gland, oxytocin targets >>>>>>>>>>>>>and causes>>>>>>>> myoepithelial,,,,ejction of milk
in which receptor model does the hormone have a direct effect on the targt of DNA mobile recepotor
how does the structure of the lacteal relate to its function discountinous sinosoid which allows for excreating of waste and return of nutrient in and out of the blood from liver
in the heart, elastic tissue is an important component of the parietal percardium
painful red streaks radiating from a puncture wound would suggest inflammatio of lymph nodes
what type of capillary contributes to the blood-air barrier in lungs type I pneumocyte
give two major componnets of the bronchiolar walls smooth m and elastic c.t. in a helical formation
salive secreted from the parotid gland includes _______ igF
descreibe the structure of hepatic sinusoid
which of the following is NOT likely with decreased insulin levels? starvation of the CNS, glucosuria???
name the cells of digestive tract Isecrete isotonic alk fluid II.secrete igA III.secrete secretin IV.secrete protein cleaving enzymes V.secret hcl VI.contain bacteriaolyt enzymes VII.complete the terminal digestion of most carbs and protesin A.absorptive cells of small inter B.chief cell of stomach C.endocrine cell of small intesteine. D.endocrin of stomach E.gallbladder epit F.hepatocytes G.pancretic acinar cells H.pancreatic duct I.parital cell of stomach J.serous cells of the salivary glan
name the hormones A.neurons B.contract unterine smooth m C.infancy retard D.inhibits secretion of growth horm E.increase in blood calcium F.secrete by liver G.involved in the formation of vit D. H.parafollucular J.adenohyphysis a.anti-diurectic and oxytocin b.oxytocin c.throid d.insulin and somatostatin e. parathyroid f.insluin g.parathyroid h.calcitonin i.growth
Created by: renato