Question 1

________________ is the general term for a chemical released by axon terminals into a synaptic cleft.

Accepted Answer

The answer of ________________ is the general term for a...

Question 2

Describing a physiological variable as "homeostatic," means that it

Accepted Answer

A)  has varied from the normal value,and will remain constant at the new value.
B)  never varies from an exact set point value.
C)  is in an equilibrium state that requires no energy input to stay at the normal value.
D)  is in a state of dynamic constancy that is regulated to remain near a stable set point value.
E)  has no normal range,but will just change to match the outside environmental conditions.

Question 3

Organs are generally composed of only one kind of tissue.

Accepted Answer

A) True 
 B)False

Question 4

If a person begins to sweat upon entering a hot room but continued sweating is able to keep the body temperature constant,which of these best describes her condition?

Accepted Answer

A)  She is in an equilibrium state.
B)  She is not using energy to maintain a constant temperature.
C)  She is in a steady state
D)  She is using a positive feedback mechanism. mechanism

Question 5

The extracellular fluid compartment includes the interstitial fluid and blood plasma.

Accepted Answer

A) True 
 B)False

Question 6

An experimental subject is isolated in an underground room with no windows,no clocks,and no contact with the outside world.Researchers monitoring his behavior observe that he eats breakfast a little bit later each day.What term best describes the subject's biological activity?

Accepted Answer

A)  circadian rhythm
B)  free-running rhythm
C)  jet lag
D)  phase shift
E)  entrainment

Question 7

How is autocrine regulation best described?

Accepted Answer

A)  Chemical regulators are released directly into blood vessels.
B)  Chemical regulators released by cells affect the functional status of different kinds of cells in the vicinity of the secretory cell.
C)  Chemical regulators affect the same cells that produce them.
D)  Chemical regulators reach their site of action through a duct.
E)  Chemical regulators are continuously released in constant amounts by the cell.

Question 8

Which of components of a general reflex arc are listed in the order information typically flows through them following a stimulus?

Accepted Answer

A)  effector,afferent pathway,integrating center,efferent pathway,receptor
B)  effector,efferent pathway,integrating center,afferent pathway,receptor
C)  integrating center,receptor,afferent pathway,efferent pathway,effector
D)  receptor,efferent pathway,integrating center,afferent pathway,effector
E)  receptor,afferent pathway,integrating center,efferent pathway,effector

Question 9

The composition of the fluid bathing the cells of the body is the same as that within the cells.

Accepted Answer

A) True 
 B)False

Question 10

Eating a bag of salty potato chips without increasing sodium excretion would result in what state?

Accepted Answer

A)  positive sodium balance
B)  negative sodium balance
C)  stable sodium balance
D)  It can't be determined without knowing the size of the sodium pool

Question 11

Which is NOT a connective tissue cell?

Accepted Answer

A)  bone cells
B)  skeletal muscle cells
C)  blood cells
D)  fat cells
E)  cartilage cells

Question 12

Physiology is the study of

Accepted Answer

A)  How two organisms interact
B)  How organisms function
C)  The spread of diseases
D)  The structure of the body

Question 13

A protein is found in blood that is produced by the pancreas and acts on receptors of cells in the liver.What type of physiological regulator is it most likely to be?

Accepted Answer

A)  a hormone
B)  an autocrine signal
C)  a paracrine signal
D)  a neurotransmitter
E)  an enzyme

Exam 1: Homeostasis: a Framework for Human Physiology

Describing a physiological variable as "homeostatic," means that it

Correct Answer
verified

Physiology is the study of

Correct Answer
verified

An experimental subject is isolated in an underground room with no windows,no clocks,and no contact with the outside world.Researchers monitoring his behavior observe that he eats breakfast a little bit later each day.What term best describes the subject's biological activity?

Correct Answer
verified

The extracellular fluid compartment includes the interstitial fluid and blood plasma.

Correct Answer
verified

________________ is the general term for a chemical released by axon terminals into a synaptic cleft.

Correct Answer
verified

Eating a bag of salty potato chips without increasing sodium excretion would result in what state?

Correct Answer
verified

How is autocrine regulation best described?

Correct Answer
verified

A protein is found in blood that is produced by the pancreas and acts on receptors of cells in the liver.What type of physiological regulator is it most likely to be?

Correct Answer
verified

The composition of the fluid bathing the cells of the body is the same as that within the cells.

Correct Answer
verified

Organs are generally composed of only one kind of tissue.

Correct Answer
verified

Which is NOT a connective tissue cell?

Correct Answer
verified

If a person begins to sweat upon entering a hot room but continued sweating is able to keep the body temperature constant,which of these best describes her condition?

Correct Answer
verified

Which of components of a general reflex arc are listed in the order information typically flows through them following a stimulus?

Correct Answer
verified

Exam 1: Homeostasis: a Framework for Human Physiology

Describing a physiological variable as "homeostatic," means that it

Correct AnswerverifiedShow Answer

Physiology is the study of

Correct AnswerverifiedShow Answer

An experimental subject is isolated in an underground room with no windows,no clocks,and no contact with the outside world.Researchers monitoring his behavior observe that he eats breakfast a little bit later each day.What term best describes the subject's biological activity?

Correct AnswerverifiedShow Answer

The extracellular fluid compartment includes the interstitial fluid and blood plasma.

Correct AnswerverifiedShow Answer

________________ is the general term for a chemical released by axon terminals into a synaptic cleft.

Correct AnswerverifiedShow Answer

Eating a bag of salty potato chips without increasing sodium excretion would result in what state?

Correct AnswerverifiedShow Answer

How is autocrine regulation best described?

Correct AnswerverifiedShow Answer

A protein is found in blood that is produced by the pancreas and acts on receptors of cells in the liver.What type of physiological regulator is it most likely to be?

Correct AnswerverifiedShow Answer

The composition of the fluid bathing the cells of the body is the same as that within the cells.

Correct AnswerverifiedShow Answer

Organs are generally composed of only one kind of tissue.

Correct AnswerverifiedShow Answer

Which is NOT a connective tissue cell?

Correct AnswerverifiedShow Answer

If a person begins to sweat upon entering a hot room but continued sweating is able to keep the body temperature constant,which of these best describes her condition?

Correct AnswerverifiedShow Answer

Which of components of a general reflex arc are listed in the order information typically flows through them following a stimulus?

Correct AnswerverifiedShow Answer

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