Sp07EX3 - BIOL 302 Spring 2007 ++ SENTENCE COMPLETION ++ In...

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Unformatted text preview: BIOL 302 Spring 2007 ++ SENTENCE COMPLETION ++ In this group of questions, select the answer choice that best completes the statement or best answers the question. 1. Which of the following volumes and capacities can be directly measured on the spirometry record? 1. tidal volume (TV) 6. functional 2. inspiratory reserve residual volume (IRV) capacity (FRC) 3. expiratory reserve 7. vital capacity volume (ERV) (VC) 4. residual volume (RV) 8. total lung 5. inspiratory capacity capacity (TLC) (1C) A. 2, 4, 6, 8 B. l, 2, 3, 4, 7 C. l, 2, 3, 5, 7 D. 1,2, 3, 5, 6, 7, 8 E. l 2 3 4 5 6, 7, 8 3 3 , 7 7 2. The amount of air left in the lungs after a normal exhalation is . (See question 1 for abbreviations.) B. D. E. ERV + RV ERV + TV FRC + TV [RV + TV IRV + TV + ERV 3. The conducting portion of the lower respiratory tract consists of all of the following EXCEPT 4. In males, the receptor for FSH is on the PLUGS”? alveolar ducts larynx primary bronchus terminal bronchioles trachea and in females on the . Leydig cells, endometrium . Sertoli cells, morula A B C. D E seminiferous tubules, follicle . seminal vesicles, zona pellucida . Do not choose this answer. Exam 3 Pink page 2 of 6 5. A newborn child is diagnosed with respiratory distress syndrome (RDS). It is due to the deficiency of surfactant, a surface tension lowering substance secreted by in the alveoli. A. B. C. D. E. goblet cells macrophages Type I alveolar cells Type II alveolar cells Both C and D. 6. Pick the answer that correctly matches a portion of the respiratory system with its correct histological description. A. bronchus—simple columnar epithelium with cilia and goblet cells and C-shapcd cartilage rings alveolus—simple squamous cells with no smooth muscle and no cartilage bronchiole—simple columnar epithelium with goblet cells, smooth muscle, and no cartilage trachea—stratified columnar epithelium with goblet cells and cartilage plates respiratory bronchiole —low columnar epithelium with goblet cells and smooth muscle 7. Which statement about spermatogenesis is NOT true? A. 9.0570 F11 8. The cavity contains the P190575? Testosterone promotes the maturation of sperm and helps to regulate the levels of circulating LH. Sperm must undergo capacitation before they can fertilize an oocyte. Sperm mature and are stored in the epididymis. The only two hormones needed for spermatogenesis are GnRH and FSH. Fluid from the seminal vesicles helps to promote sperm motility. abdominal; ovaries mediastinum; eyes thoracic; kidneys pericardial; heart pelvic; pancreas BIOL 302 Spring 2007 Exam 3 Pink page 3 of 6 9. What structure(s) is/are within the pleural 12. Using the spirometry record, which cavity? measurement represents the maximal amount of air that can be inhaled after a restful A. lung (normal) exhalation? B. esophagus C. aortic arch A. A D. heart B. B B. All of the above. C. C D. D 10. A lung disorder, like pneumonia, would E. E result in a greatly . 13. In the fetal pig dissection, the mediastinum A. restrictive; reduced Vital capacity contains all of the following structures B. restrictive; reduced FEVLO EXCEPT . C. restrictive; increased MVV D. obstructive; reduced TLC A. thyroid E. obstructive; FEVm/VC B. thymus C. trachea 11. As blood leaves the heart, the first vessel that D. pericardial cavity branches off the aortic arch is the and E. esopahgus the next vessel is the Use the figures on the next page to answer A. right subclavian artery, brachiocephalic questions 14 and 15. artery B. pulmonary trunk, ductus arteriosus 14. Sperm capacitation occurs in the structure C. common carotid artery, ductus arteriosus indicated by . D. brachiocephalic artery, right subclavian vein A. A E. brachiocephalic artery, left subclavian B. B artery C. C D. D E. E 15. The blastocyst stage of development occurs in WUOW? mdow> 16. The rate and depth of ventilation increase when __ A. blood pCOZ increases B. blood pH increases C. blood [H+] decreases D. blood p02 increases E. central chemoreceptors detect a decrease in H“ concentration in CSF Exam 3 Pink page 4 of 6 BIOL 302 Spring 2007 17. Which of the following does NOT directly 20. When lung surfactant is deficient factor in the rate of gas exchange? A. the lungs collapse more during A. differences in the partial pressures of the exhalation gas B. the effort required to inhale increases B. volume of a gas available C. the surface tension of alveolar fluid is C. solubility of a gas greater than normal D. molecular weight of the gas D. All of the above. E. diffusion distance E . Only A and C. 18. Which of the following is FALSE regarding the 21. Which of the following are not androgens? intrapleural pressure? 1. estrogen A. It equals atmospheric pressure. 2. LH B. It is less than the alveolar pressure. 3. testosterone C. It helps to keep the lungs expanded after 4. DHT exhalation. 5. inhibin D. It is less than atmospheric pressure. E. It helps to keep the lungs expanded A. l, 2, 3, 4, 5 during inhalation. B. 3, 4 C. 2, 3 19. When blood passes through the tissues, the D. 2, 4, 5 hemoglobin in blood is better able to combine E. 1, 2, 5 with carbon dioxide because of the 22. In which of the following sequences does the alveolar air, arterial blood, body tissues A. Bohr effect p02 increase? B. Haldane effect C. chloride shift A. arterial blood, alveolar air, body tissues D. Boyle effect B. body tissues, arterial blood, alveolar air E. Dalton effect C. body tissues, alveolar air, arterial blood D. E. bladder arterial blood, body tissues, alveolar air BIOL 302 Spring 2007 23. The release of F SH is directly inhibited by mung? high levels of estrogen moderate levels of estrogen high levels of testosterone inhibin Only B and D are true. 24. Carbon monoxide is poisonous because it A. F1190?“ stimulates the pneumotaxic area and thus inhibits the inspiratory area of the medulla prevents unloading of oxygen from hemoglobin greatly increases the affinity of hemoglobin for oxygen blocks binding of oxygen to hemoglobin allows hemoglobin to lose oxygen too rapidly as blood flows through tissue capillaries 25. Onset of puberty in both sexes is signaled by sleep-associated increases in the secretion of P190533? androgens ACTH (adrenocorticotropic hormone) oxytocin GnRH (gonadotropin releasing hormone) estradiol (an estrogen) 26. The epididymis and vas deferens are derived from the embryonic B. C. D. E. genital tubercle labioscrotal swelling Mullerian ducts gonads Wolffian ducts 27. The hormone inhibin . A. B C D. E inhibits release of testosterone from the gonads . inhibits release of estrogen by the corpus luteum . inhibits release of FSH from the anterior pituitary promotes release of LH by the anterior pituitary . causes breakdown of the Mullerian duct Exam 3 Pink page 5 of 6 28. Development of the primitive undifferentiated gonad into an ovary . A. B C. D E. begins during the fourth month after fertilization . occurs because testosterone is not present is accompanied by regression of the Mullerian ducts . occurs because only two X chromosomes are present and no Y Both B and D are true. 29. In the testis, Leydig cells contain receptors for WUOW?’ only LH both FSH and LH both FSH and testosterone both LH and testosterone FSH, LH, and testosterone 30. Red blood cells do not consume any of the oxygen they transport because they . 31. A. B. Fig.0 lack mitochondria and generate ATP anaerobically lack a nucleus and thus cannot make ATP cannot remove oxygen from hemoglobin once oxygen is attached use carbon dioxide rather than oxygen for ATP production use ATP provided by nearby white blood cells Sertoli cells do all of the following EXCEPT? A. B. C. D. E. nourish spermatids, spermatocytes and sperm phagocytize excess spermatid cytoplasm produce fluid for sperm transport stimulate the Leydig cells to produce testosterone secrete ABP and inhibin 32. During the female reproductive cycle, the endometrium would be thickest A. B. during the menstrual phase late in the secretory phase C. just before ovulation D. E. early in the proliferative phase at the time of ovulation BIOL 302 Spring 2007 Exam 3 Pink page 6 of 6 33. Which of the following would be TRUE if the 37. In men, a decrease in the level of testosterone oxygen—hemoglobin dissociation curve is in the blood causes the level of _ shifted to the right? A. inhibin to increase A. partial pressure of carbon dioxide has B. F SH to decrease increased C. LH to increase B. pH is increased D. GnRH to decrease C. temperature has decreased E. None of the above. D. levels of BPG have decreased E. partial pressure of oxygen has increased 38. The inspiratory area receives inhibitogg impulses from 34. The function of the "chloride shif " is to A. neurons in the expiratory area B. proprioceptors A. decrease hemoglobin's affinity for C. neurons in the pneumotaxic area oxygen D. neurons in the limbic system during B. decrease hemoglobin's affinity for carbon anticipation of exercise dioxide E. central chemoreceptors that detect a C. maintain an electrical balance across the rising level of H+ red blood cell membrane D. provide a buffer for the excess hydrogen 39. The testes from a genetically male rat embryo ions produced by cellular respiration were removed before gonad differentiation E. provide needed chloride ions for blood started and the rat was born normally. The plasma internal ducts were most likely while the appearance of the external genitalia was 35. The blood testis barrier . A. female/male A. is formed by tight junctions between B. male / female Sertoli cells C. female/ also female B. protects developing sperm from the D. male / also male immune system E. Do not choose this answer. C. opens to allow type B spertagonium to move up 40. Which of the following statements is TRUE? D. All of the above are true. E. Only A and B are true. A. A hemoglobin molecule that is 50% ' saturated has two Oz molecules attached. 36. During the phase of the ovarian cycle, B. Normally, 60% of the carbon dioxide in released by the dominant follicle causes blood is dissolved in the plasma. . Carbon dioxide binds to the heme portion of hemoglobin. release by C D. Carbon dioxide—iron complexes are E negative feedback inhibition of the anterior pituitary. A. follicular, estrogen, FSH called carbamino compounds. B. follicular, estrogen and progesterone, . Normally, 10% of the oxygen in blood is FSH and LH dissolved in the plasma. C. follicular, progesterone, LH D. luteal, estrogen, LH E. luteal, estrogen, FSH Biol 302 Spring 2007 Exam 3 Answers Pink Version 1&[email protected] méé©©0 26é©@@ néé©®© sié©®® méé©®¢ 4éé0©© méé©0© séé©0© wéé©0© eé3©©© wéé©©¢ yéé©o@ mééO©® séé©c© méé©®¢ [email protected] méé©©© m5é©©© [email protected] néé©©¢ méé©0© ué5©@@ néi©©® uéé©®® mfié©©© mé59®© mééQ©© wé5©®9 wéé©©© méé©®® fiéé©©® néé©®© wéé$®® méé©©® méég®® méé©©© mééQ®® mé驧© wéé©®© ...
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This note was uploaded on 11/06/2010 for the course BIOL 302 taught by Professor De during the Fall '08 term at Purdue.

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Sp07EX3 - BIOL 302 Spring 2007 ++ SENTENCE COMPLETION ++ In...

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