Question 1

Match the transport process to its description.
-tends to create an equilibrium state

Accepted Answer

A) active transport 
B) passive transport 
A) active transport 
B) passive transport B

Question 2

Which body fluid compartment contains high levels of K⁺, large anions, and proteins?

Accepted Answer

A)  plasma only 
B)  interstitial fluid only 
C)  intracellular fluid only 
D)  both plasma and intracellular fluid 
E)  both plasma and interstitial fluid 
A)  plasma only 
B)  interstitial fluid only 
C)  intracellular fluid only 
D)  both plasma and intracellular fluid 
E)  both plasma and interstitial fluid C

Question 3

Match the terms to changes presented, assuming a resting membrane potential of -70 mV.Answers may be used once, more than once, or not at all.
-to -90 mV from resting potential

Accepted Answer

A) electrical polarization 
B) hyperpolarization 
C) depolarization 
D) repolarization 
E) more than one of the answers 
A) electrical polarization 
B) hyperpolarization 
C) depolarization 
D) repolarization 
E) more than one of the answers B

Question 4

Match the transport process to its description.
-the movement of molecules from an area of high concentration to an area of low concentration
A)active transport
B)passive transport

Accepted Answer

The answer of Match the transport process to its description.
-the...

Question 5

A dehydrated patient needs a saline solution IV in order to be rehydrated.Unfortunately the hospital is poorly stocked with saline solutions.The nurse was asked by the doctor to mix up 1 L of a 0.45% saline solution using NaCl and distilled water.How would she do this? What is the osmolarity of this solution?

Accepted Answer

4.5 g NaCl into 950 mL of dist

Question 6

Match the terms to changes presented, assuming a resting membrane potential of -70 mV.Answers may be used once, more than once, or not at all.
-any value other than 0 mV, regardless of relationship to resting potential

Accepted Answer

A) electrical polarization 
B) hyperpolarization 
C) depolarization 
D) repolarization 
E) more than one of the answers 
A) electrical polarization 
B) hyperpolarization 
C) depolarization 
D) repolarization 
E) more than one of the answers

Question 7

Carrier proteins operating at their maximum rate are said to be ________.

Accepted Answer

The answer of Carrier proteins operating at their maximum rate...

Question 8

Explain how the body can be in a state of osmotic equilibrium and chemical disequilibrium.

Accepted Answer

Osmotic equilibrium occurs because water

Question 9

Membrane protein pores that are essentially always open are called ________ or ________ channels.

Accepted Answer

open, leak

Question 10

The membrane proteins that provide for support of the cell membrane and allow for cells to connect to each other are ________.

Accepted Answer

The answer of The membrane proteins that provide for support...

Question 11

Caveolae and clathrin-coated pits are both used in

Accepted Answer

A)  endocytosis. 
B)  exocytosis. 
C)  phagocytosis. 
D)  All of the answers are correct. 
E)  None of the answers are correct. 
A)  endocytosis. 
B)  exocytosis. 
C)  phagocytosis. 
D)  All of the answers are correct. 
E)  None of the answers are correct.

Question 12

Permeability is a property of

Accepted Answer

A)  membranes. 
B)  ions. 
C)  solutes. 
D)  solvents. 
E)  proteins. 
A)  membranes. 
B)  ions. 
C)  solutes. 
D)  solvents. 
E)  proteins.

Question 13

The walls of the ________ separate the two extracellular fluid compartments.

Accepted Answer

The answer of The walls of the ________ separate the...

Question 14

The resting membrane potential in a typical nerve cell is approximately

Accepted Answer

A)  +70 mV. 
B)  -70 mV. 
C)  +35 mV. 
D)  -35 mV. 
E)  0 mV. 
A)  +70 mV. 
B)  -70 mV. 
C)  +35 mV. 
D)  -35 mV. 
E)  0 mV.

Question 15

This type of membrane protein extends all the way through the cell membrane into both the extra- and intracellular fluids: ________.

Accepted Answer

The answer of This type of membrane protein extends all...

Question 16

Distinguish between the following terms: cotransport; antiport; symport.

Accepted Answer

Cotransport is the moving of more than o

Question 17

Design an experiment to test whether molecular weight does indeed influence the rate of diffusion.Be sure to list all controlled variables.

Accepted Answer

Answers will vary.Controlled variables m

Question 18

Match the type of transport with its description.
-in one side of a cell and out the other

Accepted Answer

A) secretion 
B) paracellular transport 
C) transcellular transport 
D) Absorption 
A) secretion 
B) paracellular transport 
C) transcellular transport 
D) Absorption

Question 19

At rest, nerve cells have a voltage of ________ mV.

Accepted Answer

-70 (Note to instructor: All n

Question 20

A 70-year-old man weighs 145 pounds and has 48% of his body weight in the form of water.How many liters of water is that?

Accepted Answer

0.48 × @#LAT-DLM& ×

Exam 5: Membrane Dynamics

Match the transport process to its description. -tends to create an equilibrium state

Which body fluid compartment contains high levels of K⁺, large anions, and proteins?

Match the terms to changes presented, assuming a resting membrane potential of -70 mV.Answers may be used once, more than once, or not at all. -to -90 mV from resting potential

Match the transport process to its description. -the movement of molecules from an area of high concentration to an area of low concentration A)active transport B)passive transport

Match the terms to changes presented, assuming a resting membrane potential of -70 mV.Answers may be used once, more than once, or not at all. -any value other than 0 mV, regardless of relationship to resting potential

Carrier proteins operating at their maximum rate are said to be ________.

Explain how the body can be in a state of osmotic equilibrium and chemical disequilibrium.

Membrane protein pores that are essentially always open are called ________ or ________ channels.

The membrane proteins that provide for support of the cell membrane and allow for cells to connect to each other are ________.

Caveolae and clathrin-coated pits are both used in

Permeability is a property of

The walls of the ________ separate the two extracellular fluid compartments.

The resting membrane potential in a typical nerve cell is approximately

This type of membrane protein extends all the way through the cell membrane into both the extra- and intracellular fluids: ________.

Distinguish between the following terms: cotransport; antiport; symport.

Design an experiment to test whether molecular weight does indeed influence the rate of diffusion.Be sure to list all controlled variables.

Match the type of transport with its description. -in one side of a cell and out the other

At rest, nerve cells have a voltage of ________ mV.

A 70-year-old man weighs 145 pounds and has 48% of his body weight in the form of water.How many liters of water is that?

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

Filters

Membrane protein pores that are essentially always open are called or channels.