Question 1

A 10% dextrose solution is isotonic to plasma.

Accepted Answer

A) True 
 B)False  False

Question 2

____________ transport does not require membrane proteins.

Accepted Answer

A) Facilitated diffusion 
B) Bulk 
C) Simple diffusion 
D) Active 
A) Facilitated diffusion 
B) Bulk 
C) Simple diffusion 
D) Active C

Question 3

Proteins that extend from the cytoskeleton within the cell,through the plasma membrane,and into the extracellular matrix are

Accepted Answer

A) lysosomal proteins. 
B) metallo proteins. 
C) receptor proteins. 
D) integrin proteins. 
A) lysosomal proteins. 
B) metallo proteins. 
C) receptor proteins. 
D) integrin proteins. D

Question 4

Inhibition of receptor-mediated endocytosis

Accepted Answer

A) could induce hypercholesteremiA. 
B) could induce diabetes mellitus. 
C) could prevent diabetes mellitus. 
D) could prevent heart disease. 
A) could induce hypercholesteremiA. 
B) could induce diabetes mellitus. 
C) could prevent diabetes mellitus. 
D) could prevent heart disease.

Question 5

___________________ comprise an important family of enzymes that can break down extracellular matrix proteins but require a zinc ion cofactor.

Accepted Answer

A) Matrix metallohydrolases 
B) Matrix phosphokinases 
C) Matrix metalloproteinases 
D) None apply. 
A) Matrix metallohydrolases 
B) Matrix phosphokinases 
C) Matrix metalloproteinases 
D) None apply.

Question 6

The Na+/K+ pump transports _______ into the cell and ________ out of the cell per cycle.

Accepted Answer

A) 3Na+,2K+ 
B) 2Na+,3K+ 
C) 3K+,2Na+ 
D) 2K+,3Na+ 
A) 3Na+,2K+ 
B) 2Na+,3K+ 
C) 3K+,2Na+ 
D) 2K+,3Na+

Question 7

The ATPase enzyme

Accepted Answer

A) adds a Pi to ADP. 
B) powers endocytosis. 
C) couples Na+ to glucose. 
D) hydrolyzes ATP into ADP and Pi. 
A) adds a Pi to ADP. 
B) powers endocytosis. 
C) couples Na+ to glucose. 
D) hydrolyzes ATP into ADP and Pi.

Question 8

The Na+/K+ pump

Accepted Answer

A) establishes equilibrium concentrations of sodium and potassium ions. 
B) is an electrogenic pump. 
C) is an example of secondary active transport. 
D) interferes with glucose transport. 
A) establishes equilibrium concentrations of sodium and potassium ions. 
B) is an electrogenic pump. 
C) is an example of secondary active transport. 
D) interferes with glucose transport.

Question 9

Dialysis uses the process of

Accepted Answer

A) facilitated diffusion. 
B) primary active transport. 
C) simple diffusion. 
D) secondary active transport. 
A) facilitated diffusion. 
B) primary active transport. 
C) simple diffusion. 
D) secondary active transport.

Question 10

____________________ is a term which describes a membrane that allows only certain molecules to pass through it.

Accepted Answer

A) Selectively permeable 
B) Permeable 
C) Porous 
D) Countertransport 
A) Selectively permeable 
B) Permeable 
C) Porous 
D) Countertransport

Question 11

In the Na+/K+ pump,three sodium ions from inside the cell must enter the carrier first.

Accepted Answer

A) True 
 B)False

Question 12

A 0.1 Osm plasma sample would

Accepted Answer

A) stimulate the action of osmoreceptors. 
B) be hypertonic to the cells. 
C) stimulate an increase in blood volume. 
D) inhibit the release of antidiuretic hormone. 
A) stimulate the action of osmoreceptors. 
B) be hypertonic to the cells. 
C) stimulate an increase in blood volume. 
D) inhibit the release of antidiuretic hormone.

Question 13

Secondary active transport

Accepted Answer

A) utilizes energy directly. 
B) often utilizes symport proteins. 
C) always uses the influx of sodium ions. 
D) is only important in the kidney. 
A) utilizes energy directly. 
B) often utilizes symport proteins. 
C) always uses the influx of sodium ions. 
D) is only important in the kidney.

Question 14

The process in which waste molecules are removed from the blood by having them diffuse through an artificial porous membrane is called dialysis.

Accepted Answer

A) True 
 B)False

Question 15

Glucose entry into the cell is by facilitated diffusion.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following cells do NOT normally have many aquaporins in their plasma membranes?

Accepted Answer

A) kidneys 
B) lungs 
C) salivary glands 
D) skin 
A) kidneys 
B) lungs 
C) salivary glands 
D) skin

Question 17

Edema will result if a person has an abnormally low concentration of plasma proteins.

Accepted Answer

A) True 
 B)False

Question 18

Ion channels that can be opened by physiological stimuli are said to be

Accepted Answer

A) polar. 
B) aquaporins. 
C) hypertoniC. 
D) gateD. 
A) polar. 
B) aquaporins. 
C) hypertoniC. 
D) gateD.

Question 19

Glucose transported via the GLUT carrier is characterized as

Accepted Answer

A) active transport. 
B) passive transport. 
C) co-transport. 
D) receptor-mediated endocytosis. 
A) active transport. 
B) passive transport. 
C) co-transport. 
D) receptor-mediated endocytosis.

Question 20

The charge difference across a membrane produces the membrane potential.

Accepted Answer

A) True 
 B)False

A 10% dextrose solution is isotonic to plasma.

____________ transport does not require membrane proteins.

Proteins that extend from the cytoskeleton within the cell,through the plasma membrane,and into the extracellular matrix are

Inhibition of receptor-mediated endocytosis

___________________ comprise an important family of enzymes that can break down extracellular matrix proteins but require a zinc ion cofactor.

The Na⁺/K⁺ pump transports _ into the cell and __ out of the cell per cycle.

The ATPase enzyme

The Na⁺/K⁺ pump

Dialysis uses the process of

____________________ is a term which describes a membrane that allows only certain molecules to pass through it.

In the Na+/K+ pump,three sodium ions from inside the cell must enter the carrier first.

A 0.1 Osm plasma sample would

Secondary active transport

The process in which waste molecules are removed from the blood by having them diffuse through an artificial porous membrane is called dialysis.

Glucose entry into the cell is by facilitated diffusion.

Which of the following cells do NOT normally have many aquaporins in their plasma membranes?

Edema will result if a person has an abnormally low concentration of plasma proteins.

Ion channels that can be opened by physiological stimuli are said to be

Glucose transported via the GLUT carrier is characterized as

The charge difference across a membrane produces the membrane potential.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Exam 6: Interactions Between Cells and the Extracellular Environment

A 10% dextrose solution is isotonic to plasma.

____________ transport does not require membrane proteins.

Proteins that extend from the cytoskeleton within the cell,through the plasma membrane,and into the extracellular matrix are

Inhibition of receptor-mediated endocytosis

___________________ comprise an important family of enzymes that can break down extracellular matrix proteins but require a zinc ion cofactor.

The Na+/K+ pump transports _______ into the cell and ________ out of the cell per cycle.

The ATPase enzyme

The Na+/K+ pump

Dialysis uses the process of

____________________ is a term which describes a membrane that allows only certain molecules to pass through it.

In the Na+/K+ pump,three sodium ions from inside the cell must enter the carrier first.

A 0.1 Osm plasma sample would

Secondary active transport

The process in which waste molecules are removed from the blood by having them diffuse through an artificial porous membrane is called dialysis.

Glucose entry into the cell is by facilitated diffusion.

Which of the following cells do NOT normally have many aquaporins in their plasma membranes?

Edema will result if a person has an abnormally low concentration of plasma proteins.

Ion channels that can be opened by physiological stimuli are said to be

Glucose transported via the GLUT carrier is characterized as

The charge difference across a membrane produces the membrane potential.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

The Na⁺/K⁺ pump transports _ into the cell and __ out of the cell per cycle.

The Na⁺/K⁺ pump