Question 1

Hydrophobic molecules usually enter a cell via __________.

Accepted Answer

A) osmosis 
B) active transport 
C) diffusion 
D) protein channels 
A) osmosis 
B) active transport 
C) diffusion 
D) protein channels

Question 2

A 0.5M glucose (molecular weight = 180g)contains ____________ grams of glucose per liter.

Accepted Answer

A) 90 
B) 180 
C) 6.02 F1F1F1S1F1F1F10 1023 
D) 360 
A) 90 
B) 180 
C) 6.02 F1F1F1S1F1F1F10 1023 
D) 360

Question 3

The calcium pump is also an ATPase enzyme.

Accepted Answer

A) True 
 B)False

Question 4

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 5

Most cells have a resting membrane potential between

Accepted Answer

A) +60mV and -90mV. 
B) -60mV and -90mV. 
C) -65mV and -85mV. 
D) +65mV and +90mV. 
A) +60mV and -90mV. 
B) -60mV and -90mV. 
C) -65mV and -85mV. 
D) +65mV and +90mV.

Question 6

Active transport carriers are also called

Accepted Answer

A) vesicles. 
B) channels. 
C) pumps. 
D) receptors. 
A) vesicles. 
B) channels. 
C) pumps. 
D) receptors.

Question 7

In secondary active transport,if the other substance is moved in the same direction as Na+,it is called

Accepted Answer

A) cotransport. 
B) symport. 
C) antiport. 
D) cotransport AND symport. 
A) cotransport. 
B) symport. 
C) antiport. 
D) cotransport AND symport.

Question 8

A solution with an osmolality four times greater than plasma would freeze at __________.

Accepted Answer

A) -0.56F1F1F1S1F1F1F10C. 
B) -1.12F1F1F1S1F1F1F10C. 
C) -1.68F1F1F1S1F1F1F10C. 
D) -2.24F1F1F1S1F1F1F10C. 
A) -0.56F1F1F1S1F1F1F10C. 
B) -1.12F1F1F1S1F1F1F10C. 
C) -1.68F1F1F1S1F1F1F10C. 
D) -2.24F1F1F1S1F1F1F10C.

Question 9

How much of the total body water content is in the intracellular compartment?

Accepted Answer

A) 50% 
B) 67% 
C) 33% 
D) 80% 
A) 50% 
B) 67% 
C) 33% 
D) 80%

Question 10

Simple diffusion is the net diffusion of a solvent.

Accepted Answer

A) True 
 B)False

Question 11

What structures affect cell motility,adhesion,and proliferation?

Accepted Answer

A) basal lamina 
B) integrins 
C) collagen IV 
D) proteoglycans 
A) basal lamina 
B) integrins 
C) collagen IV 
D) proteoglycans

Question 12

One mole of solute per liter depresses the freezing point of water by -1.86F1F1F1S1F1F1F10C.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

Where are GLUT carriers located in an unstimulated muscle?

Accepted Answer

A) in the plasma membrane facing the external environment 
B) in the plasma membrane facing the internal environment 
C) within cytoplasmic vesicles 
D) There are no GLUT carriers present. 
A) in the plasma membrane facing the external environment 
B) in the plasma membrane facing the internal environment 
C) within cytoplasmic vesicles 
D) There are no GLUT carriers present.

Question 15

A solution consists of a ____________ which dissolves the ____________.

Accepted Answer

A) solvent,solute 
B) solvent,solid 
C) solute,solvent 
D) liquid,solid 
A) solvent,solute 
B) solvent,solid 
C) solute,solvent 
D) liquid,solid

Question 16

The rate of diffusion is influenced by

Accepted Answer

A) the concentration gradient. 
B) membrane permeability. 
C) membrane surface area. 
D) All apply. 
A) the concentration gradient. 
B) membrane permeability. 
C) membrane surface area. 
D) All apply.

Question 17

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

Accepted Answer

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

Question 18

___________ g of sucrose (molecular weight = 342g)would be added to 1L of water to produce a 2.5 Osm solution.

Accepted Answer

A) 342 
B) 500 
C) 855 
D) 2.5 
A) 342 
B) 500 
C) 855 
D) 2.5

Question 19

Osmoreceptors are involved in the regulation of blood volume.

Accepted Answer

A) True 
 B)False

Question 20

Hypertonic solutions stimulate cellular lysis.

Accepted Answer

A) True 
 B)False

Hydrophobic molecules usually enter a cell via __________.

A 0.5M glucose (molecular weight = 180g)contains ____________ grams of glucose per liter.

The calcium pump is also an ATPase enzyme.

Osmotic pressure is a measure of the force needed to

Most cells have a resting membrane potential between

Active transport carriers are also called

In secondary active transport,if the other substance is moved in the same direction as Na⁺,it is called

A solution with an osmolality four times greater than plasma would freeze at __________.

How much of the total body water content is in the intracellular compartment?

Simple diffusion is the net diffusion of a solvent.

What structures affect cell motility,adhesion,and proliferation?

One mole of solute per liter depresses the freezing point of water by -1.86^C.

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

Where are GLUT carriers located in an unstimulated muscle?

A solution consists of a which dissolves the .

The rate of diffusion is influenced by

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

___________ g of sucrose (molecular weight = 342g)would be added to 1L of water to produce a 2.5 Osm solution.

Osmoreceptors are involved in the regulation of blood volume.

Hypertonic solutions stimulate cellular lysis.

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

Hydrophobic molecules usually enter a cell via __________.

A 0.5M glucose (molecular weight = 180g)contains ____________ grams of glucose per liter.

The calcium pump is also an ATPase enzyme.

Osmotic pressure is a measure of the force needed to

Most cells have a resting membrane potential between

Active transport carriers are also called

In secondary active transport,if the other substance is moved in the same direction as Na+,it is called

A solution with an osmolality four times greater than plasma would freeze at __________.

How much of the total body water content is in the intracellular compartment?

Simple diffusion is the net diffusion of a solvent.

What structures affect cell motility,adhesion,and proliferation?

One mole of solute per liter depresses the freezing point of water by -1.86C.

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

Where are GLUT carriers located in an unstimulated muscle?

A solution consists of a ____________ which dissolves the ____________.

The rate of diffusion is influenced by

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

___________ g of sucrose (molecular weight = 342g)would be added to 1L of water to produce a 2.5 Osm solution.

Osmoreceptors are involved in the regulation of blood volume.

Hypertonic solutions stimulate cellular lysis.

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

In secondary active transport,if the other substance is moved in the same direction as Na⁺,it is called

One mole of solute per liter depresses the freezing point of water by -1.86^C.

A solution consists of a which dissolves the .

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