Physiology, 15th Edition
By Charles Welsh & Prentice-Craver
MULTIPLE CHOICE
1. The anatomical term for the forearm is:
Answer: antebrachial
2. Which investigator studies how temperature affects heart rate?
A) Anatomist
B) Physiologist
C) Chemist
D) Biochemist
Answer: B
3. Blood plasma is an example of which type of fluid?
A) Intracellular
B) Extracellular
C) Serous
D) Acidic
Answer: B
4. Which list correctly illustrates increasing levels of organization?
A) Molecules → Cells → Tissues → Organs → Organ systems
B) Tissues → Cells → Organs → Molecules → Organ systems
C) Organs → Molecules → Organ systems → Cells → Tissues
D) Cell → Atom → Tissue → Molecule → Macromolecule
Answer: A
5. If the heart beats faster and stronger during a crisis, hydrostatic pressure will:
A) Increase
B) Decrease
C) Remain unchanged
Answer: A
6. A room drops to 65°F, causing the heater to turn on. This temperature change is a:
A) Effector
B) Receptor
C) Stimulus
D) Response
Answer: C
7. Which is considered a characteristic of life?
A) Digestion
B) Respiration
C) Metabolism
D) Absorption
Answer: C
8. The ability to sense changes in the body is called:
A) Movement
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, B) Respiration
C) Responsiveness
D) Absorption
Answer: C
9. Metabolism is defined as:
A) All cells in the body
B) All homeostatic setpoints
C) All chemical reactions in the body
D) All organs and their parts
Answer: C
10. Many anatomical and physiological terms originate from:
A) Greek and Latin
B) Spanish and Portuguese
C) French and German
D) Chinese and Japanese
Answer: A
11. At what organizational level is the skin?
A) Tissue
B) Cellular
C) Organ
D) System
Answer: C
12. Which is NOT required to maintain human life?
A) Water
B) Heat
C) Light
D) Pressure
Answer: C
13. Which gas makes up roughly 1/5 of air and is used to release energy from food?
A) Oxygen
B) Carbon dioxide
C) Hydrogen
D) Nitrogen
Answer: A
14. Which processes do NOT maintain adult life?
A) Responsiveness
B) Movement
C) Reproduction
D) Metabolism
Answer: C
15. Homeostasis is defined as:
A) Changing external conditions
B) Maintenance of stable external conditions
C) Changing internal conditions
D) Maintenance of internal conditions
Answer: D
16. The method for testing a hypothesis and analyzing results is called the:
Answer: scientific method
17. Which illustrates a homeostatic mechanism?
A) Shivering when cold
B) Increasing body temp during exercise
C) Decreasing body temp in prolonged cold
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, D) Dehydration from lack of water
Answer: A
18. The most abundant chemical in the body and major component of extracellular fluid:
Answer: Water
19. Structures that detect conditions in the internal environment are called:
Answer: Receptors
20. Structures that produce changes to maintain homeostasis are:
Answer: Effectors
21. Which feedback moves the body away from normal conditions?
Answer: Positive feedback
22. Positive feedback mechanisms:
Answer: Cause temporary unstable conditions
23. Axial body cavities include:
Answer: Cranial cavity, vertebral canal, thoracic cavity, abdominopelvic cavity
24. The mediastinum separates:
Answer: The thoracic cavity into right and left parts
25. Two types of cavities in the head:
Answer: Paranasal sinuses and nasal cavity
26. Organ(s) in the pelvic cavity:
Answer: Urinary bladder
27. Membrane covering the lungs:
Answer: Visceral pleura
28. Term for a body part above another:
Answer: Superior
29. Plane dividing the body into left and right:
Answer: Sagittal
30. Anatomical position:
Answer: Body standing erect, face forward
31. Observing bone differences between arm and leg is:
Answer: Anatomy
32. Determining hormone effects on digestion is:
Answer: Physiology
33. Water (H2O) represents which level of organization?
Answer: Molecule
34. The stomach represents which level?
Answer: Organ
35. Entire digestive tract represents:
Answer: Organ system
36. Highest organizational complexity:
Answer: Respiratory system
37. Squinting and blinking in sunlight exemplifies:
Answer: Responsiveness
38. Sweating in hot weather exemplifies:
Answer: Responsiveness
39. Kidney belongs to which system?
Answer: Urinary system
40. Movement of substances through body fluids is:
Answer: Circulation
41. Removal of wastes is:
Answer: Excretion
42. Passage of substances through membranes:
Answer: Absorption
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, 43. Rob shivering in cold is an example of:
Answer: Effector
44. Organ in thoracic cavity:
Answer: Lung
45. Structure separating thoracic from abdominopelvic cavity:
Answer: Diaphragm
46. Membrane associated with heart surface:
Answer: Visceral pericardium
47. Membrane lining thoracic cavity walls:
Answer: Parietal pleura
48. Terms equivalent to anterior and posterior:
Answer: Ventral and dorsal
49. Right eye vs right lung relationship:
Answer: Ipsilateral
50. Transverse section of a banana:
Answer: Circle
51. Region superior and lateral to umbilical region:
Answer: Hypochondriac
52. Region in front of elbow:
Answer: Antecubital
53. Quadrant containing the spleen:
Answer: Left upper quadrant
54. Quadrant containing appendix:
Answer: Right lower quadrant
55. Quadrant containing gallbladder:
Answer: Right upper quadrant
56. Urinary bladder is in which region?
Answer: Pubic region
TRUE/FALSE
57. Structure relates to function. TRUE
58. All life uses oxygen. FALSE
59. Integumentary system is superficial to skeletal. TRUE
60. All materials, including body, are chemicals. TRUE
61. Traits shared with other organisms are characteristics of life. TRUE
62. Heat is a form of energy. TRUE
63. Heat influences metabolic reaction rates. TRUE
64. Homeostasis acts through positive feedback. FALSE
65. Diaphragm separates thoracic and abdominopelvic cavities. TRUE
66. Body can be divided into axial and appendicular portions. TRUE
67. Nervous and endocrine systems control integration/coordination. TRUE
68. Parietal membranes attach to organ surfaces. FALSE
69. Digestive system filters blood and maintains fluid balance. FALSE
70. Muscular system produces movement, posture, and heat. TRUE
71. Ears are lateral to eyes. TRUE
72. Elbow is distal to wrist. FALSE
73. Absence of vital signs indicates death. TRUE
74. “Right” and “left” in wounds refer to patient’s sides. TRUE
75. Mouth is distal to nose. FALSE
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