[HOME] [TEST 3 ANSWERS] [UNIT 3 HISTOLOGY]

BIOLOGY 2840 - HUMAN PHYSIOLOGY AND ANATOMY
PRACTICE TEST 3

Multiple Choice. Choose the best answer.

1. Chemical digestion of food involves:

A. condensation reactions in the small intestine
B. Enzymatic conversion of monosaccharides to polysaccharides in the small intestine
C. hydrolysis reactions in the large intestine (colon)
D. hydrolysis reactions in the small intestine
E. two of the above.

2. Human dentition can be defined as being:

A. heterodont B. homodont C. diphyodont D. monophyodont E. two of the preceding.

3. The gall bladder:

A. produces bile B. is attached to the pancreas C. stores bile D. produces gastrin E. two of the preceding.

4. The esophageal hiatus is the:

A. opening between the esophagus and the pharynx
B. junction between the esophagus and stomach
C. region where the esophagus joins the larynx
D. site where the esophagus passes through the diaphram
E. location where skeletal and smooth muscles merge.

5. A patient who has undergone gastrectomy (=removal of the stomach) may suffer from:

A. cirrhosis of the liver B. pernicious anemia C. duodenal ulcer D. salmonella E. inability to digest fats.

6. The organs of taste are called:

A. papillae B. taste pores C. hair cells D. taste buds E. none of the preceding.

7. Blood is drained from the liver by the:

A. hepatic artery and hepatic vein
B. efferent lymphatic vessels
C. hepatic portal vein and hepatic veins
D. hepatic artery and hepatic portal vein
E. hepatic veins.

8. The conversion of amino acids to glucose is an example of:

A. glycogenolysis B. beta oxidation C. gluconeogenesis D. glycogenesis E. glycolysis.

MATCHING: SELECT THE ONE CORRECT ANSWER: (Items A through E may be used more than once.)

A. Large intestine B. pancreas C. stomach D. small intestine E. esophagus.

9. Villi are present in this structure
10. Enterokinase is secreted by cells in this structure
11. Peyer's patches are present in the wall
12. Rugae may be present on the luminal surface
13. Sucrase, lactase and maltase are produced by cells in this structure
14. Haustra are typical features of this structure
15. Opens into the laryngopharynx
16. Pepsinogen is produced by cells in this structure
17. Contains the islets of Langerhans
18. The cardia and fundus are regions of this structure
19. Parietal and chief cells are present in the walls
20. The jejunum is part of this structure
21. Aminopeptidase is produced by cells in this structure
22. Lipase is produced by cells in this structure
23. Ribonuclease and deoxyribonuclease are produced in this structure
24. Taeniae coli are present in this structure
25. Contains skeletal (striated) and visceral (smooth ) muscle in the wall.

Multiple Choice. Select the best answer.

26. Which of the following is not a function of the liver?

A. synthesis of blood proteins
B. secretion of digestive enzyme
C. detoxification of certain substances
D. production of urea
E. gluconeogenesis.

27. The dentin in the crown of a tooth is coved by:

A. cementum B. periodontal membrane C. connective tissue fibers in the pulp D. enamel E. odontoblasts.

28. Pancreatic cells:

A. produce glucagon
B. secrete mucus into the duodenum
C. are located in the mediastinum
D. secrete insulin into the pancreatic
E. two of the above

29. The cecum is a region of the:

A. stomach B. duodenum C. large intestine D. rectum E. pharynx.

MATCH THE FOOD CATEGORY WITH THE APPROPRIATE ENZYME. (Items A through D may be used more than once.)

A. Carbohydrate digestion B. protein digestion C. Iipid digestion D. nucleic acid digestion.

30. Amylase
31. Trypsin
32. Aminopeptidase
33. Lipase
34. Ribonuclease
35. Pepsin.
36. Maltase
37. Chymotrypsin
38. Lactase
39. Sucrase
40. Deoxyribonuclease.

Multiple Choice. Select the best answer.

41. Which of the following is not a fat-soluable vitamin?

A. (vitamin A) B. (vitamin E) C. (vitamin D) D. (vitamin C) E. (vitamin K)

42. During stress such as fasting or strenuous exercise, the anterior pituitary releases:

A. (ACTH) B. (oxytocin) C. (FSH) D. (ADH) E. (LH)

43. Which of the following hormones can produce hyperglycemia?

A. PTH B. growth hormone C. ADH D. prolactin E. TSH.

44. Calcitonin inhibits:

A. osteoclast activity
B. thyroid activity
C. mammary gland activity
D. pancreatic activity
E. osteoblast activity.

45. The metabolic effects of epinephrine are similar to those of:

A. glucose B. insulin C. aldosterone D. calcitonin E. glucagon.

46. Parathyroid hormone (PTH) is released in response to:

A. low levels of plasma calcium
B. low levels of plasma sodium
C. high levels of plasma sodium
D. high levels of plasma calcium
E. none of the preceding.

47. Vitamin D is converted into a hormone that participates in the regulation of:

A. sodium balance B. calcium balance C. chloride balance D. water balance E. answers A and C.

48. Glucocorticoids are secreted from cells in the:

A. pancreas B. Iiver C. adrenal medulla D. placenta E. none of the preceding.

49. Hypothyroidism during prenatal development and the first two years after birth may result in

A. goiter B. cretinism C. albinism D. myxydema E. all of the preceding.

50. If an incision had to be made in the small intestine to remove an obstruction, which tunic (or layer) would be cut first?

A. mucosa B. submucosa C. muscularis D. serosa.

51. The kidneys and most of the pancreas are considered to be:

A. antiperitoneal B. retroperitoneal C. medioperitoneal D. mesoperitoneal E. paraperitoneal.

TRUE OR FALSE: True = A, False = B

52. The optimal pH for pepsin is about 2.0
53. The muscularis mucosae is composed of smooth muscle fibers
54. The facial cranial nerve innervates the posterior one-third of the tongue
55. Another term for canine teeth is bicuspid teeth
56. The GI tract is innervated by the ANS
57. Each small intestinal microvillus contains a Iymphatic vessel called a lacteal
58. Another term for swallowing is deglutition.

MATCHING. What type of epithelium forms the luminal lining of the following structures? (Note: Items A through E may be used more than once.)

A Simple squamous epithelium
B. stratified, keratinized squamous epithelium
C. simple columnar epithelium
D. stratified, nonkeratinized squamous epithelium
E. pseudostratified, ciliated columnar epithelium.

59. Esophagus
60. Stomach
61. Small intestine
62. Nasal vestibule
63. Nasal cavity
64. Trachea
65. Respiratory alveoli.

Multiple Choice. Select the best answer.

66. After passing through the nasal cavity during inspiration, air will pass through the:

A. oropharynx B. nasopharynx C. Iaynx D. trachea E. laryugopharynx

67. Most inspired particles of dust fail to reach the lungs because of the:

A. mucous lining in the nasal cavity and trachea
B. abundant blood supply to the nasal mucosa
C. action of the epiglottis
D. porous structure of the ethmoid bone
E. all of the above.

68. Which of the following is not a structural feature of the right lung?

A. superior lobe B. hilum C. cardiac notch D. inferior lobe E. middle lobe.

69. Of the following structures, the smallest in diameter would be the:

A. left primary bronchus B. trachea C. right primary bronchus D. secondary bronchus E. bronchiole.

70. "The pressure of a gas is inversely proportional to its volume" is a statement of:

A. Dalton's Law B. Henry's Law C. Starlings's Law D. Boyle's Law E. the law of LaPlace.

71. Which of the following bones does not contain a paranasal sinus?

A. nasal B. maxilla C. spheroid D. frontal E. ethmoid

72. The adult lungs are:

A. covered with a tough membrane called the parietal pleura
B. spongy, air-filled sacs, located inferior to the diaphragm
C. covered with a thin mucous membrane
D. covered with a serous membrane called the visceral pleura
E. Iobulated, the right lung has 2 lobes, and the left lung has 3 lobes

73. The detergent-like molecule that keeps the alveoli from collapsing between breaths because it reduces the surface tension of the fluid film in the alveoli is called:

A. lecithin B. reluctant C. surfactant D. bile E. none of the preceding.

74. The term respiration refers to:

A. ventilation (=breathing)
B. gas exchange within the lungs
C. oxygen utilization within the cells
D. all of the preceding
E. answers A and B only.

MATCHING. (Items A through E may be used more than once.)

A. laryngopharynx B. oropharynx C. trachea D. larynx E. nasopharynx

75. Composed of a framework involving 9 cartilages
76. This region contains the palatine tonsils
77. Paired auditory (Eustachian) tubes open into this area
78. The wall contains 16 to 20 C-shaped cartilaginous rings.
79. Pharyngeal tonsils located in this region
80. The lowermost portion of the pharynx
81. This region opens into the esophagus
82. The opening of this structure is called the glottis
83. This structure contains a cricoid cartilage
84. This structure contains the thyroid cartilage
85. This region contains the lingual tonsils.

Multiple Choice. Select the best answer.

86. The muscles involved in deep or forced inspiration are the:

A. diaphragm and external intercostals
B. diaphragm and abdominal muscles
C. scalenes and sternocleidomastoids
D. trapezius and semispinalis capitis
E. answers A and D.

87. A patient exhales normally, then, using forced ventilation, the patient blows as much air as possible into a spirometer. This would measure the:

A. inspiratory reserve volume
B. vital capacity
C. tidal volume
D. expiratory reserve volume
E. cell respiration.

88. Which of the following is not part of the conducting division of the bronchial tree?

A. trachea B. terminal bronchiole C. primary bronchus D. secondary bronchus E. alveolar duet.

89. Oxygen and carbon dioxide are exchanged in the alveoli by:

A. filtration B. osmosis C. diffusion D. active transport E. two of the preceding.

90. The trachea is located to the larynx .

A. superior B. medial C. inferior D. lateral E. none of the preceding.

91. The epithelium lining the lumen of conducting bronchioles is:

A. simple cuboidal B. simple squamous C. stratified squamous D. transitional E. none of the preceding

TRUE OR FALSE: TRUE = A, FALSE = B

92. Forced expiration is a passive process
93. Elasticity of the lungs refers to their tendency to recoil after distension
94. Intrapulmonary pressure is subatmospheric during inspiration
95. Surfactant is produced by Type I alveolar cells
96. Tracheal rings are composed of hyaline cartilage
97. Surfactant is produced afterbirth
98. Fetal lungs contain small amounts of atmospheric air in the alveoli
99. Vital capacity of the lungs is expiratory reserve volume, tidal volume plus residual volume
100. Fill in the E circle.

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Author: Sherri Wick, Coordinator and Instructor - Human Physiology and Anatomy Laboratories
University of Nebraska at Omaha
Allwine Hall 211E, 554-2343
swick@cwis.unomaha.edu