Sp05EX3 - BIOL 302 Spring 2005 Exam 3 Pink page 6 of 6 35....

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Unformatted text preview: BIOL 302 Spring 2005 Exam 3 Pink page 6 of 6 35. Which of the following do Sertoli 40. Which of the following statements are TRUE? (sustentacular) cells secrete? /l./ As pH increases, oxygen dissociates d1. inhibin more readily from hemoglobin. 2. testosterone 2. As the partial pressure of C02 increases, ’ 3. androgen-binding protein (ABP) the 02-hemoglobin curve shifts up and to ’4. Mullerian—inhibiting substance (MIS) the left. 5. relaxin / 3. The Bohr effect is caused by a change in pH. A. 1, 3 -— 4. Carbon monoxide binds to the heme B. 2, 3, 4 groups of hemoglobin. , 3, 4 5. Carbon dioxide binds to amino acids in 1, 3, 4 hemoglobin. . 1, 2, 3, 4, 5 6% 44C 1, 2, 5 it; 36. The _____ area shortens inspiration 4B7 1, 2, 4 whereas area prolongs inhalation. 2, 3, 5 3, 4, 5 A. expiratory, inspiratory 7. 2, 3, 4 @ apneustic, pneumotaxic pneumotamc, apneustlc . inspiratory, expiratory OIL 1‘ «Li i3 '31 E. none of the above TC 37. The testes from a genetically male rat embryo were removed before gonad differentiation t A { 31 E: H‘p— (:02- + (j; started and the rat was born normally. The H 0'02 V internal ducts were most likely While the appearance of the external genitalia was A. female/ male ,Bf’male/ female “9 345" female/ also female . male/ also male 38. In the respiratory system, the rate of diffusion could be increased by /A./ increasing the diffusion distance ® increasing the surface area available for diffusion . decreasing the body temperature D. increasing the blood pH . both E and C are true. 39. During pregnancy, the will secrete hCG. A. anterior pituitary gland B. posterior pituitary C. adrenal gland D. corpus luteum ® chorion BIOL 302 Spring 2005 ++ SENTENCE COMPLETION ++ In this group of questions, select the answer choice that best completes the statement or best answers the question. 'I The conducting portion of the respiratory ' system consists of all of the following EXCEPT . A. bronchioles 03 larynx ! 371C. alveoiar ducts D. primary bronchus E. trachea 2. All of the following are found in the abdominal cavity, EXCEPT _. A. pancreas B. liver @ uterus . kidneys E. spleen 3. CO; follows which path through the respiratory membrane when diffusing from blood to the alveolus? \ l. basement membrane of Type I cells \‘1 2. alveolar fluid containing surfactant B3“! 3. capillary basement membrane 4. cytoplasm of TypeIcells \A 5. capillary endothelium i 61% 3 5 4 2 1 :3)?“ r] 5,3,1,4,2 , Milt/f c. 5,3,4,1,2 6,“ E.) 3, 5,4, 1,2 ‘ ,E./ 2, 1,4,5, 3 4. List the following contraceptive methods in order of typical, or "real world," effectiveness from most effective to least effective. 1. male sterilization O- E; 2. Norplant 3. oral contraceptive, The Pill 4. condom a 5 i/ 5 complete abstinence 65‘ i\ [A ' fl Exam 3 Pink pageZofG 5. What is the function of the Sertoli cells? A. secretion of androgen-binding protein (ABP) B. phagocytosis of excess cytoplasm from spermatogenic cells C forming the blood—testis barrier @ all of the above . only A and C 6. Pick the answer that correctly matches a portion of the respiratory system with its correct histological description. {alveolus—simple squamous celis with smooth muscle and no cartiiage @ bronchiolehsimple columnar epithelium W ith goblet cells and no cartilage ' . bronchus—simple columnar epithelium with cilia and goblet cells and C—shaped cartilage rings, thin elastic layer . respiratory bronchiole —low columnar epithelium with goblet cells and smooth muscle ytracheawstratified columnar epithelium with goblet cells and cartilage plates 7. Which of the following mechanisms help prevent the pneumoconioses? escalator action of mucus—covered cilia nasal conchae alveolar macrophages nasal hairs PP’N?‘ 8. Which of the following is a characteristic of restrictive lung diseases? 6? a reduction in total lung capacity (TLC) /B./ an inability to move air rapidly in and out of the lungs . a decreased ratio of FEVH, to vital capacity /D./increased resistance to airflow due to narrowing of airways E. an increase in the residual volume (RV) BIOL 302 Spring 2005 Exam 3 Pink page 3 of 6 The time between fertilization of the oocyte and implantation of the blastocyst in the uterus is approximately /A./9 months 3 weeks I C. 5 to 10 days A . 2 days fewer than 24 hours 10. The structure indicated by the arrow is the and its function is to . For questions 12 —l4, use the spirometry recording shown below. 8L 12. Volume of air that can be inspired beyond a restful inspiration A. A B. B a c . D E. E 13. Which of the following CANNOT be directly measured from the spirometry recording? @ Functional Residual Capacity . Inspiratory Capacity /€.’ Vital Capacity Expiratory Reserve Volume %Both A and D 14. The maximum volume of air that can be Posterior View }( bulbourethral gland; secrete fluid that increases the volume of semen . bulbourethral gland; secrete fluid that 7 helps to lubricate the tip of the penis J? prostate gland; secrete an acidic fluid that enhances sperm motility /D./ seminal vesicle; secrete fluid that helps @ to lubricate the tip of the penis seminal vesicle; secrete alkaline fluid that enhances sperm motility 11. The mediastinum includes all of the following EXCEPT expired after a maximal inspiration is A. pericardial cavity B. aorta . lungs D. part of the esophagus E. thymus .mp0 WUOW> BIOL 302 Spring 2005 A 15. What are the two blood vessels that branch directly from the aortic arch in the fetal pig vasculature? A. brachiocephalic trunk and right subclavian left subclavian and external jugular wglo /BT internal and external jugulars /E.’ left subclavian and right common carotid 16. Compliance is affected mainly by the amount of elastic tissue in the lungs and the . MhichieSS of cartilage in the trachea . partial pressure of oxygen in inhaled air C. diameter of the bronchioles ,3. temperature and percent saturation of inhaled air with water 6) amount of surfactant l7. Corticotropin releasing hormone . Exam 3 Pink ,B/ @ brachiocephalic trunk and left subclavian page 4 of 6 21. In which of these sequences does p02 decrease? A. arterial blood, alveolar air, body tissues 13. body tissues, arterial blood, alveolar air C. body tissues, alveolar air, arterial blood @ alveolar air, arterial blood, body tissues E. arterial blood, body tissues, alveolar air 22. Which of the following is NOT a way that CO; is transported in the blood? A. combined with the globin part of hemoglobin in RBCs —B.’ as dissolved C02 attached to heme 3., attached to albumin in plasma E as part of bicarbonate ions 23. During internal respiration, oxygen moves . ,xK.’ into cells by primary active transport ,rB.’ out of cells by primary active transport \L . out of cells by diffusion i no ‘5). A. helps prepare mammary glands for lactation, @ into cells by diffusion t’ r field" B. is important for development of lungs. com 30 . into cells by secondary active transport mi- C. establishes the timing of birth § All of the above /\‘ Wu Only B and C are true or W 18. During the process of expiration, the alveolar pressure is U} A. greater than pleural pressure U20 0 a— B. greater than atmospheric pressure £7 less than atmospheric pressure /B.’ unchanged @bothAandB aretrue 19. Testicular cancer generally arises from A. Sertoli cells B. Leydig cells Spermatogenic cells D. Both A and C are true E. both A and B are true film 20. PMS arises during the disappears on phase and A. follicular; ovulation B. luteal; ovulation C. follicular, menstruation D, luteal, menstruation . n0ne of the above 24. Development of a primary follicle into a mature vesicular ovarian (Graafian) follicle requires A. estrogen B. progesterone C estrogen and progesterone estrogen and FSH é FSH and LH 25. When the blood level of carbon dioxide changes, chloride ions move into or out of red blood cells to balance the number of negative ions between red blood cells and blood plasma. This chloride shift occurs becauss _. A. HCO3' enters red blood cells when C02 level is high #3:". Cl' concentration increases in blood plasma when C02 level is high flf’ Na+ exits red blood cells when CO; level is low yNa'l’ enters red blood cells when C02 level is low ® HCOg‘ exits red blood cells when CO; level is high ufi" em) BIOL 302 Spring 2005 Exam 3 Pink page 5 of 6 26. The lungs do not normally collapse because of 31. The uterus and vagina are derived from the embryonic . A. surfactant ~——B. pleura] pressure C. elastic recoil . all of the above both A and B X urethral folds ® Mullerian (paramesonephric) ducts C. labioscrotaISWelling 2f. genital tubercle x15.” Wolffian (mesonephric) ducts 27. How can fetal hemoglobin be distinguished 32. Which of the following is an incorrect match? from maternal hemoglobin? Fetal Hb has a lower affinity for 02. B Fetal Hb has a higher affinity for oxygen. C. Fetal Hb has 2 alpha and 2 beta polypeptide chains whereas adult Hb has 4 beta polypeptide chains. D. Carbon dioxide binds to fetal Hb more strongly than to adult Hb. E. both B and D are true 1C relaxinu—secreted by placenta; increases ' flexibility of the pubic symphysis B. human chorionic gonadotropin (hCG)—— 5),} secreted by trophoblasts; actions are f" similar to those of LH -n © luteinizing hormone—secreted by ovaries; causes ovulation )3.’ progesterone and estrogen—secreted by ovaries; provide negative feedback inhibition that decreases release of FSH during the Inteal phase 28. The following statements are true about nitric oxide ,E.’ FSH—secreted by anterior pituitary gland; stimulates growth of follicle. ———A. it is a vasodilator «— B. binds to a cysteine residue on Hemoglobin 33. Which of the following hormones act on the a» Q. is unloaded when oxygen is unloaded gonads? (12; all of the above E. onlyAandCare true I GnRH 2. LH 29. When blood passes through the tissues, the 3. testosterone hemoglobin in blood is better able to combine 4. FSH with carbon dioxide because of the j.’ inhibin Bohr effect A. l. 2, 3, 4, 5 Haldane effect 2. 3, 4 (G/ Chloride shift C. 2, 4 .aD.’ Boyle effect D. 3, 4, 5 . Dalton effect E. 2 4 5 y s 30. The signals from the peripheral 34. The hormone inhibin chemoreceptors in the carotid sinus are carried by the nerve to the medulla A. inhibits release of testosterone from the gonads fzét.’ phrenic B. inhibits release of estrogen by the corpus B. vagus luteum © glossopharyngeal inhibits release of FSH from the anterior ,B’.’ sciatic pituitary J’ET none of the above D. promotes release of LH by the anterior pituitary E. promotes release of progesterone by the corpus luteum ...
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This note was uploaded on 04/07/2008 for the course BIOL 302 taught by Professor De during the Spring '08 term at Purdue University-West Lafayette.

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Sp05EX3 - BIOL 302 Spring 2005 Exam 3 Pink page 6 of 6 35....

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