Question 1

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 2

Which G-protein subunit binds GDP?

Accepted Answer

A) alpha subunit 
B) beta subunit 
C) gamma subunit 
D) delta subunit 
A) alpha subunit 
B) beta subunit 
C) gamma subunit 
D) delta subunit

Question 3

The transport of amino acids across epithelial membranes requires the

Accepted Answer

A) Na+/K+ pump. 
B) Ca2+ pump. 
C) Na+/H+ pump. 
D) facilitated diffusion. 
A) Na+/K+ pump. 
B) Ca2+ pump. 
C) Na+/H+ pump. 
D) facilitated diffusion.

Question 4

Active transport

Accepted Answer

A) utilizes energy. 
B) cannot transport molecules against a concentration gradient. 
C) cannot be saturated. 
D) requires cofactors. 
A) utilizes energy. 
B) cannot transport molecules against a concentration gradient. 
C) cannot be saturated. 
D) requires cofactors.

Question 5

The glucose carrier of skeletal muscle is designated as

Accepted Answer

A) GLUT2. 
B) GLUTSk. 
C) GLUT4. 
D) GLUT5. 
A) GLUT2. 
B) GLUTSk. 
C) GLUT4. 
D) GLUT5.

Question 6

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 7

Solutes that cannot freely pass through a membrane are said to be

Accepted Answer

A) hypertonic. 
B) osmotically inactive. 
C) osmotically active. 
D) selectively permeable. 
A) hypertonic. 
B) osmotically inactive. 
C) osmotically active. 
D) selectively permeable.

Question 8

The Na+/K+ pump creates a ____________ charge inside the cell.

Accepted Answer

A) positive 
B) negative 
A) positive 
B) negative

Question 9

Active transport proteins are often regulated by phosphorylation.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is true of oral rehydration therapy?

Accepted Answer

A) It is used to treat severe diarrheA. 
B) The presence of glucose aids the intestinal absorption of Na+ and water. 
C) It saves more than a million small children per year. 
D) All apply. 
A) It is used to treat severe diarrheA. 
B) The presence of glucose aids the intestinal absorption of Na+ and water. 
C) It saves more than a million small children per year. 
D) All apply.

Question 11

Osmotic pressure is a measure of the force needed to

Accepted Answer

A) open aquaporins. 
B) cause osmosis. 
C) stop osmosis. 
D) stop edema. 
A) open aquaporins. 
B) cause osmosis. 
C) stop osmosis. 
D) stop edema.

Question 12

Active transport proceeds when energy is expended.

Accepted Answer

A) True 
 B)False

Question 13

Glycosuria occurs when the ____________ of the renal glucose transport protein is exceeded.

Accepted Answer

A) transport minimum 
B) transport maximum 
C) saturation level 
D) transport maximum and saturation level 
A) transport minimum 
B) transport maximum 
C) saturation level 
D) transport maximum and saturation level

Question 14

The osmotic pressure exerted by a cell would decrease if the cell synthesized more proteins.

Accepted Answer

A) True 
 B)False

Question 15

____________ 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

Question 16

A one molar solution would contain 6.02 * 1023 molecules of solute.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is NOT a function of integrins?

Accepted Answer

A) glue components of the matrix 
B) communicate between the intracellular and extracellular compartments 
C) allow diffusion to occur through the plasma membrane 
D) establish cell polarity 
A) glue components of the matrix 
B) communicate between the intracellular and extracellular compartments 
C) allow diffusion to occur through the plasma membrane 
D) establish cell polarity

Question 18

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 19

Diffusion is more rapid in cells with microvilli compared to cells lacking microvilli.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is NOT true of a person who is dehydrated?

Accepted Answer

A) plasma osmolality increases 
B) hypothalamus stimulates release of ADH 
C) ADH causes the kidneys to excrete water 
D) increased osmolality causes thirst 
A) plasma osmolality increases 
B) hypothalamus stimulates release of ADH 
C) ADH causes the kidneys to excrete water 
D) increased osmolality causes thirst

Dialysis uses the process of

Which G-protein subunit binds GDP?

The transport of amino acids across epithelial membranes requires the

Active transport

The glucose carrier of skeletal muscle is designated as

Secondary active transport

Solutes that cannot freely pass through a membrane are said to be

The Na⁺/K⁺ pump creates a ____________ charge inside the cell.

Active transport proteins are often regulated by phosphorylation.

Which of the following is true of oral rehydration therapy?

Osmotic pressure is a measure of the force needed to

Active transport proceeds when energy is expended.

Glycosuria occurs when the ____________ of the renal glucose transport protein is exceeded.

The osmotic pressure exerted by a cell would decrease if the cell synthesized more proteins.

____________ transport does not require membrane proteins.

A one molar solution would contain 6.02 * 10²³ molecules of solute.

Which of the following is NOT a function of integrins?

The ATPase enzyme

Diffusion is more rapid in cells with microvilli compared to cells lacking microvilli.

Which of the following is NOT true of a person who is dehydrated?

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

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

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Exam 6: Interactions Between Cells and the Extracellular Environment

Dialysis uses the process of

Which G-protein subunit binds GDP?

The transport of amino acids across epithelial membranes requires the

Active transport

The glucose carrier of skeletal muscle is designated as

Secondary active transport

Solutes that cannot freely pass through a membrane are said to be

The Na+/K+ pump creates a ____________ charge inside the cell.

Active transport proteins are often regulated by phosphorylation.

Which of the following is true of oral rehydration therapy?

Osmotic pressure is a measure of the force needed to

Active transport proceeds when energy is expended.

Glycosuria occurs when the ____________ of the renal glucose transport protein is exceeded.

The osmotic pressure exerted by a cell would decrease if the cell synthesized more proteins.

____________ transport does not require membrane proteins.

A one molar solution would contain 6.02 * 1023 molecules of solute.

Which of the following is NOT a function of integrins?

The ATPase enzyme

Diffusion is more rapid in cells with microvilli compared to cells lacking microvilli.

Which of the following is NOT true of a person who is dehydrated?

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

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 creates a ____________ charge inside the cell.

A one molar solution would contain 6.02 * 10²³ molecules of solute.