Exam_4_'03

Exam_4_'03 - gm-L 302 Spring 2003 Exam 4 Pink page 1 of 5...

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Unformatted text preview: gm -L 302 Spring 2003 Exam 4 Pink page 1 of 5 . / / ++ SENTENCE COMPLETJON ++ 5. In order from the esOphag-us, the fourparts of the stomach are the in this group of questions, select the answer A \ choice that best completes the statement or carat-d, mans! body, pyloms best answers the question. B. fimdus, body, pyloms, oardia C. body, omentum, cat-diet1 fundus 1. Which of the following are true regarding the D. cardia, hausnn, pylorus, omenturn circular folds of the GI (gastrointestinal) E. haustra1 fundus, body, pylorus tract? 7 6. The taenia coll segment the large intestine into 1. Tney increase the surface area for \/ absorption. \ ,l.’ They disappear as the small intestine the cecum becomes distended with food. 0Q Jamison . They decrease in number from die l C. rugae duodenum to the ileum. \/ D. due appendix 4. They first appear in the small intestine E. villi and disappear in the rectum. @ 7. Peyer’s patches are and are a distinctive l, 3 histological characteristic of the {ET} 1, 4 C. l, 2, 3, 4- A. mums-Secreting glands; duodenum \fs D. l, 2, 3 B. clusters ofenteroendoctine cells; E. Do not choose this answer. stomach \ \Q\ _ C. lymph nodes; duodenum - wk' 2. The junction between the esophagus and the mucus-secreting glands; ileum stomach can be distinguished fi-om the recto- ., ‘— lymph nodes; ileum anal junction by the presence of - in the k? ‘ r . , )4 ___. %8. Place the blood vessels below in correct order for the flow of the blood into and out of the A. smooth muscle, eSOphagus ‘ liver. "\q B. stratified squamous cells, anal canal \\- c. villi, stomach _ 1 sinusoids ‘9‘ Q goblet cells, rectum 2. hepatic vein E. goblet cells, stomach 3. central Vein 4 hepatic portal vein 5 . 3. Which of the following is NOT an accessory mfeflor vena cava organ of the digestive system? ,1 ,. l I, l-K'diver .1 5, 4- J asplcen (14,1, ,3,5 2’12, r r , (grammes @4,1,3,2,5 “that ” /o.’mngue a/rlajz, 5,1 (Qmml . subling'ual gland 9. The increase in systolic blood pressure seen 4. Secretions from Brunner’s glands . during exercise is mainly dueto AA.’ are slightly acidic to improve the V A. an increase in systemic vascular action of pancreanc enzymes tesmtance / . contain HC1 and NaCl 3. :1 decrease in systemic vascular C. contain mucus and digestive enzymes reststance D. protect the stomach from digesting 1.2.x an increase in ventilation rate :tse:f I)! an increase in cardiac output raise the pH of the chyme so pancreatic E, a decrease in cardiac gut-nut in: I _ . , :nzyrnes can rancnon better A Spring 2003 v Which of the following cause heart rate to . A . _____-———— / increase exercise? 1. increasing body temperature. n/ 2. secretion of hormones from the adrenal medulla =. --r/ \ increasing blood pH \h inhibition of impulsas in the vagus nerve stimulation of proprioceptors ,4. 5 a T4) 3 u Flore: N-P-JQNIQ )- mun-pm A. , c. D. E. 11. All of the following are long-term 61 adaptations to exercise, EXCEPT: A. Amount of sweat produced ' g heavy exercise increases. “a B. Sweat becomes more dilute. L/j/ Heart hyper-trophies (enlarges). ' "3? Cardiac output liming exorin'se to B" decreases. ‘ E. Stroke volume while at rest increases. 12. Which part of the GI tract has the highest a proportion of goblet cells in its mucosa? Aanus. R 7‘ «LE ‘colon flit-Bk :N Ke.” cluoclenulm {Es D. esophagus 1“- E. stomach 13. The chief cells release and the _ cells release intrinsic factor. A. fiHCl. acmar , ' pepsinogen, parietal . HCI. parietal D. pepsinogen. seiner E. Do not choose this answer. ' B. Exam 4- l3an page 2 of 5 Refer to the figure below to answer questions l4 andlj. "' 1-— —e.-_ n—u—n— _sn i 2. ii gun in 5:. l4. Ventilation changes in the region of the curve indicated by the letterX are due to which of the following factors? I A. increase in bloodeCh B. decrease in blood pCOz (E; nerve impulses from the limbic system to the respiratory control centers of the medulla ' D. both A and C E- both E and C 15. Ventilation changes in the region of the curve 9 maimed by the letter Y are due to which of the following factors? ' A. humeral factors inhibitory impulses from limbic system to respiratory control centers of the medulla - J decreasing level of lactic acid in the blood. A and C A, B, and C in EU "fl"; $16. During prolonged fasting or starvation, most body cells Will A 4 _ ‘.-. switch from glucose to facy acids as the 1.. mam energy source B. carry out glycogenesis at .1 faster rate C. ox1rlize glucose at a faster rate D. convert more glucose to triglycerides E. switch from glucose to axruno acids as the main energy source during one o'osomnve state: ?\ uptgkc of ammo acids into coils // {AHA secretion of digestive enzymes conversion of glucose to glycogen ,g. Secreong bicarbonate ions into bile C. use of fatty studs for A in product-o: / oxalicuil D. All ofthe above C gluconeogenesis El Only A and 5 fl v... v _ r r /E’./ synthesizing cholesterol ? \‘~\ ,4 1%. Conversion oflacnc acid to pynmc new to -—r——’ -’ '5) ‘ 5 _; The drugs cholestymnnne and chloiibrate glucos: o-o‘nosphate is an example of A. glycogenolysis . giycogenesis A. inhibit 'Jle synthesis of cholesterol in @ gluconeogenesis hepatocyt‘es D. glycolysm B. increase the loss of cholesterol in the E. anaerobic AT? producnon feces - C. increase the entero'oepan'c circnlnnon of 19. ' h of the following is NOT a comoonent the bile salts and cholesteml of digestion in Lhe stomach? D. inhibit the produco'on of‘oile salts E. enhance the synthesis of Steroid / secretion of gasnic lipase into onyme hormones from cholesterol /2./ secretion of mucus . an “alkaline tide” of‘oicarbonace ions 24. The apglrgtgin 21000; pigmnnczpm and ‘ entering the blood ‘leLs activates me enzyme , f D. emulsificauon of dieer fats by bile ‘ z secretion of hydrogen ions and angiucme 6—phos'phatase 7 v chloride ions into chyme (E; endothelial lipoprotninlipase {l \ \ c. ATP synthase \S\)\/ d 20. Which of the following is a possible fate of D. PMG-CoA reductase \\ ' glucose 6-pnosphnte? E. 'nexolo'nase A. conversion to glucose by \/ .5 25. The vitamins that are considered antioxidants dephosphorylajion in hepatocytes \/ are ‘5 13. use for glycogenesis in skeletal :nnscle / C. use for ATP production by glycolysis A. Vitamin D and K D. All ofthe above. B._Vitan1in D, C andE B. only A and. B (C. Vitamin C, E and beta—carotene ‘Dz‘ Beta-carotene and vitamin D 21. Protein-coated particles that contain E. Vitamin C, D and K exogenous lipids are called . r i 26. The hormones epinephrine and glucagOn Cg) ehylomicrons stimulate . LDLs C. HDLs A. lipogenesis D. VLDLS B giycogenolysis E. Do not choose this answer. ‘- C . synthesis of proteins g: ginooneogenesm . dissemination «.- _.. The drug Pnlosec works on the cells by olocking the o a Spring 2003 A. chief, histamine receptors )1‘ chief. proton pump (D? parietal, proton pump E. enteroendocrlne, histamine receptors 3 28. Chemical digestion in the large intestine occurs mainly through the activity of A enzymes released by intestinal glands B. bilirubin C. enzymes in pancreatic juice . enzymes in bile bacterial enzymes 29. Use liver produces urea to “I. A. keep bile in an inactive form until it reaches the small intestine B. convert it into glucose when blood glucose levels are low C. get rid of ammonia produced by deamination of ammo acids @ emulsify dietary fats . bind to ingested poisons to detoxify diam Ni 30. A person who has a high level ofketone bodies in his blood and urine is most likely fasting or starving . using mainly glucose for AI? production C. absorbing a meal he ate 3 hours ago D. synthesizing large amounts of new proteins E. experiencing liver failure Q 31. Adipocytes secrete the hormone which stimulates production of which results in inhibition of hunger (food intake}. neuropeptide Y. Ieptin lept‘in. melanocomn neuropepnde Y, melanocortin melanocorrin. [spun melanocornn. neuropeptide Y wool??? 52. '-Vhich vir‘the followmg are :me of the ‘6 duodenum :ndjejunum? B. parietal, histamine receptors V‘ Exam 4 Pink page 4 of 5 _ g Carbohydrates and proteins but not fats 'i i a are digested there. Pancreatic lipase acts on triglycerides in micelles there. \6\ Carbohydmte digestion begins there. D. Vitamin B1; absorption occurs there. E. Pepsinogen is secreted there. 33. Which of the following occur during anabolism? Mreactions of glycolysis reactions of glycogenolysis _ C. electron transport chain reactions Krebs cycle reactions glycogen synthesis reactions 37 34. The chemical reactions catalyzed by proteases would produce A. monosaccharides and disaccharides . fatty acids and glycerol § peptides . nucleotides E. monoglycerides 3' 35. Ethe temperature in this room were 105“ F (40° C) and the humidity were 80%, you could losebody heat by . A. radiation E. conduction evaporation . both commotion and evaporation E. both radiation and evaporation 35. The functionofLDL is to . A. transport triglycerides hem adipocytes to the liver B. transport o'iglycerides from hepatocytes to adipocytes G) deliver cholesterol in blood to body cells so they can use it to repair cell membranes D. pick up excess cholesterol from the body and. return it to the liver E. deliver dietary lipids to the liver 3 r. in :he reaction sequence below. is occurring; and molecuie R is Triglyceride -2- Fatty acids -3- R or Krebs cycle ,4 Spring 2003 A. B. . c. c Exam 4 Pink lipogenesis, acetyl CoA giycolysis, pymvic acid iipoiysis. pynmc acid glycoiysis, acetyl CoA iipoiyms, acetyl CoA .. 38. Long-term teguiation of BMR (basal git?! C . estrogen and testosterone \QC‘} ;; \ \Ba the thyroid hormones (TB/Ti) . the adrenal cortex _. metabolic rate) is governed mainly by . ‘W. \n s. W. "‘5\\ 1“ epinephrine and norepinephrine ._‘-.~ ‘ (.75... 39. Which of the following is NOT a correct eifector—response pair for negative feedback loops triggered by a decrease in body tempemnne? A. B. D. E. epinephrine fi'om adrenal medulla - / increases rate or" cellular metabolism thyroid hormone — increases metabolic rate \/ Vasodflaticn — decreased loss of heat ft fiom the skin skeletal muscles connect in c repen'tiveJ cycle — increased production of heat None of the above. 40. The difference between the effects of Secren'n and CCK on the pancreas is that ysecretin Stimulates secretion of B. F] pancreatic juice, and CCK inhibits the secretion of pancreatic juice secretin stinmiates acinar cells ofthe pancreas and C CK stimulates the pancreatic islets 5‘ secretin stimulates the alpha cells and _,-:"\ CCK stimuiates the beta cells fin?" secrenn stimulates secretion of pancreatic Jche rich in blcarbonate ' \_\3_ Eli and CC:{ snmuiates secretion of * pancreatic juice rich in digesn've enzymes secrenn causes dilation of the pancreatic duct and CCK causes consn'icnon or'the bile duct page ...
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Exam_4_'03 - gm-L 302 Spring 2003 Exam 4 Pink page 1 of 5...

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