by Charles Welsh, Prentice-Craver
Chap 01 15e Welsh Answers Included L
1) The anatomical term for the forearm is L L L L L .
2) What investigator would conduct an experiment to determine how temperature changes
L L L L L L L L L L L
affect the rate at which the heart beats?
L L L L L L L
A) Anatomist
B) Physiologist
C) Chemist
D) Biochemist
3) Blood plasma is an example of what type of fluid?
L L L L L L L L L
A) Intracellular
B) Extracellular
C) Serous
D) Acidic
4) Which of the following lists illustrates the idea of increasing levels of organization?
L L L L L L L L L L L L
A) Molecules, cells, tissues, organs, organ systems L L L L L
B) Tissues, cells, organs, molecules, organ systems
L L L L L
C) Organs, molecules, organ systems, cells, tissues
L L L L L
D) Cell, atom, tissue, molecule, macromolecule
L L L L
5) In a crisis, the heart beats faster and more forcefully. What affect would this have on
L L L L L L L L L L L L L L L L
hydrostatic pressure? L
A) An increase in hydrostatic pressure
L L L L
B) A decrease in hydrostatic pressure
L L L L
C) No change in hydrostatic pressure
L L L L
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,6) The temperature in a room drops to 65oF, causing the heater to turn on. The temperature
L L L L L L L L L L L L L L L L
change is an example of a(an):
L L L L L
A) effector.
B) receptor.
C) stimulus.
D) response.
7) Which of the following is considered one of the characteristics of life?
L L L L L L L L L L L
A) Digestion
B) Respiration
C) Metabolism
D) Absorption
8) The ability of an organism to sense changes in its body is an example of:
L L L L L L L L L L L L L L
A) movement.
B) respiration.
C) responsiveness.
D) absorption.
9) What is the definition of metabolism?
L L L L L
A) All the cells in the body
L L L L L
B) All of the homeostatic setpoints in the body
L L L L L L L
C) All of the chemical reactions in the body
L L L L L L L
D) All of the organs in the body and their parts
L L L L L L L L L
10) What is/are the origin(s) of many of the terms in anatomy and physiology?
L L L L L L L L L L L L
A) Greek and Latin L L
B) Spanish and Portuguese L L
C) French and German L L
D) Chinese and Japanese L L
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,11) At what level of organization is skin?
L L L L L L
A) Tissue level L
B) Cellular level L
C) Organ level L
D) System level L
12) Which of the following is NOT a requirement to maintain the life of humans?
L L L L L L L L L L L L L
A) Water
B) Heat
C) Light
D) Pressure
13) What gas makes up approximately 1/5th of ordinary air and is used by cells to release energy
L L L L L L L L L L L L L L L L L
from food substances?
L L
A) Oxygen
B) Carbon dioxide L
C) Hydrogen
D) Nitrogen
14) Which of the following processes are NOT concerned with maintaining the life of an adult
L L L L L L L L L L L L L L L
organism?
A) Responsiveness
B) Movement
C) Reproduction
D) Metabolism
15) What is the definition of homeostasis?
L L L L L
A) The changing external conditions
L L L
B) The maintenance of stable external conditions
L L L L L
C) The changing internal conditions
L L L
D) The maintenance of internal conditions
L L L L
16) The method for testing a hypothesis, then rejecting or accepting it based on the results of
L L L L L L L L L L L L L L L L
experiments or observations, is called the L L L L L .
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, 17) Which of the following examples illustrates a homeostatic mechanism?
L L L L L L L L
A) Shivering in response to a drop in body temperature
L L L L L L L L
B) Increasing body temperature during exercise L L L L
C) Decreasing body temperature during prolonged exposure to cold conditions
L L L L L L L L
D) Dehydration from lack of water intake L L L L L
18) What requirement of life is also the most abundant chemical in the body and is the major
L L L L L L L L L L L L L L L L L
component of extracellular fluid?
L L L
A) Water
B) Oxygen
C) Cell
D) Food
19) What term refers to the structures that provide information about the conditions of the
L L L L L L L L L L L L L L
internal environment?
L
A) Set points L
B) Effectors
C) Receptors
D) Homeostasis
20) Which of the following directly cause(s) the changes in the internal environment needed to
L L L L L L L L L L L L L L
maintain homeostasis?
L
A) Receptors
B) Effectors
C) Setpoint
D) Intracellular fluid L
21) Which of the following causes conditions in the body to move away from the normal state?
L L L L L L L L L L L L L L L
A) Negative feedback L
B) Homeostasis
C) Positive feedback L
D) Setpoint
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