Question 1

Which of the following statements about negative feedback is incorrect?

Accepted Answer

A)  It exists when a change in a regulated variable triggers a response that opposes the change. 
B)  It exists when the input to a system increases the output and the output inhibits the input. 
C)  The control system's input and output continue to enhance each other. 
D)  It is the method by which most of the body's control mechanisms operate. 
E)  It helps maintain the body's dynamic, steady state. 
A)  It exists when a change in a regulated variable triggers a response that opposes the change. 
B)  It exists when the input to a system increases the output and the output inhibits the input. 
C)  The control system's input and output continue to enhance each other. 
D)  It is the method by which most of the body's control mechanisms operate. 
E)  It helps maintain the body's dynamic, steady state.

Question 2

Complete each of the following statments.
____________________ glands secrete through ducts, whereas ____________________ glands secrete directly into the blood.

Accepted Answer

The answer of Complete each of the following statments.
____________________ glands...

Question 3

Exocrine glands are the only structures in the body capable of secretion.

Accepted Answer

A) True 
 B)False

Question 4

Complete each of the following statments.
"Reaction counteracts stress" would be a shorthand way of defining ____________________ feedback.

Accepted Answer

The answer of Complete each of the following statments.
"Reaction counteracts...

Question 5

Complete each of the following statments.
The spleen is part of the ____________________ system.

Accepted Answer

The answer of Complete each of the following statments.
The spleen...

Question 6

The internal environment

Accepted Answer

A)  is not in direct contact with the body's cells 
B)  consists of the intracellular fluid 
C)  must be maintained at absolutely unchanging composition, temperature, and volume for survival of the body 
D)  is in direct contact with the body's cells and consists of the extracellular fluid 
E)  consists of the intracellular fluid and must be maintained at absolutely unchanging composition, temperature, and volume for survival of the body 
A)  is not in direct contact with the body's cells 
B)  consists of the intracellular fluid 
C)  must be maintained at absolutely unchanging composition, temperature, and volume for survival of the body 
D)  is in direct contact with the body's cells and consists of the extracellular fluid 
E)  consists of the intracellular fluid and must be maintained at absolutely unchanging composition, temperature, and volume for survival of the body

Question 7

Complete each of the following statments.
____________________ cells are specialized to send electrical signals.

Accepted Answer

The answer of Complete each of the following statments.
____________________ cells...

Question 8

Use the figure above to answer the corresponding questions.
Which number identifies the system that serves as the source of all blood cells?
  a. 1
b. 2
c. 3
d. 4
e. 5

Accepted Answer

The answer of Use the figure above to answer the...

Question 9

To sustain life, the internal environment must be maintained in an absolutely unchanging state.

Accepted Answer

A) True 
 B)False

Question 10

Highly differentiated tissues such as nervous and cardiac muscle are incapable of reproduction because they are pluripotent.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is a mechanistic rather than a teleological explanation of a physiological phenomenon?

Accepted Answer

A)  A person breathes to obtain oxygen. 
B)  A person sweats to cool off. 
C)  A person's stomach secretes digestive juices because it is stimulated by the nervous system. 
D)  A person's heart beats to pump blood. 
E)  A person's kidneys produce urine to eliminate wastes from the body. 
A)  A person breathes to obtain oxygen. 
B)  A person sweats to cool off. 
C)  A person's stomach secretes digestive juices because it is stimulated by the nervous system. 
D)  A person's heart beats to pump blood. 
E)  A person's kidneys produce urine to eliminate wastes from the body.

Question 12

The concentration of salt in the extracellular fluid influences how water enters and leaves cells.

Accepted Answer

A) True 
 B)False

Question 13

A single pluripotent cell without dividing can differentiate into more than one kind of mature body cell.

Accepted Answer

A) True 
 B)False

Question 14

Complete each of the following statments.
____________________ refers to the abnormal functioning of the body associated with disease.

Accepted Answer

The answer of Complete each of the following statments.
____________________ refers...

Question 15

If a letter in the alphabet is equated to a cell, then ____ would be most like an organ.

Accepted Answer

A)  two paragraphs 
B)  a paragraph 
C)  a word 
D)  a sentence 
E)  two sentences 
A)  two paragraphs 
B)  a paragraph 
C)  a word 
D)  a sentence 
E)  two sentences

Question 16

Use the figure above to answer the corresponding questions.
Which number identifies the system that serves as a regulatory system in which the duration of activity is more important than the speed of activity?
  \(\begin{array}{ll}
a. 1
b. 2
c. 3
d. 4
e. 5

Accepted Answer

The answer of Use the figure above to answer the...

Question 17

Complete each of the following statments.
____________________ stem cells are partially differentiated, harvested from adults, and can become highly differentiated, specialized cell types.

Accepted Answer

The answer of Complete each of the following statments.
____________________ stem...

Question 18

One organ can belong to more than one body system.

Accepted Answer

A) True 
 B)False

Question 19

Secretion in response to appropriate stimulation refers to the release of specific products that have, in large part, been synthesized by the cell.

Accepted Answer

A) True 
 B)False

Question 20

A mechanistic explanation of why a person breathes is to obtain oxygen.

Accepted Answer

A) True 
 B)False

Exam 1: Introduction to Physiology and Homeostasis

Which of the following statements about negative feedback is incorrect?

Complete each of the following statments. ____________________ glands secrete through ducts, whereas ____________________ glands secrete directly into the blood.

Exocrine glands are the only structures in the body capable of secretion.

Complete each of the following statments. "Reaction counteracts stress" would be a shorthand way of defining ____________________ feedback.

Complete each of the following statments. The spleen is part of the ____________________ system.

The internal environment

Complete each of the following statments. ____________________ cells are specialized to send electrical signals.

Use the figure above to answer the corresponding questions. Which number identifies the system that serves as the source of all blood cells? a. 1 b. 2 c. 3 d. 4 e. 5

To sustain life, the internal environment must be maintained in an absolutely unchanging state.

Highly differentiated tissues such as nervous and cardiac muscle are incapable of reproduction because they are pluripotent.

Which of the following is a mechanistic rather than a teleological explanation of a physiological phenomenon?

The concentration of salt in the extracellular fluid influences how water enters and leaves cells.

A single pluripotent cell without dividing can differentiate into more than one kind of mature body cell.

Complete each of the following statments. ____________________ refers to the abnormal functioning of the body associated with disease.

If a letter in the alphabet is equated to a cell, then ____ would be most like an organ.

Use the figure above to answer the corresponding questions. Which number identifies the system that serves as a regulatory system in which the duration of activity is more important than the speed of activity? \(\begin{array}{ll} a. 1 b. 2 c. 3 d. 4 e. 5

Complete each of the following statments. ____________________ stem cells are partially differentiated, harvested from adults, and can become highly differentiated, specialized cell types.

One organ can belong to more than one body system.

Secretion in response to appropriate stimulation refers to the release of specific products that have, in large part, been synthesized by the cell.

A mechanistic explanation of why a person breathes is to obtain oxygen.

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

Filters

Complete each of the following statments. glands secrete through ducts, whereas glands secrete directly into the blood.