Question 1

The capillary filtration pressure (arterial end of the capillary)is 30 mm Hg and 7 mm Hg at the venous end.The capillary oncotic pressure is 15 mm Hg.Which of the following is true?

Accepted Answer

A)  Most water is filtered out of the capillary into the interstitium at the arterial end of the capillary. 
B)  The capillary oncotic pressure is responsible for the movement of water from the capillary into the interstitium. 
C)  The capillary oncotic pressure is responsible for the flow of blood from the arterial end of the capillary to the venous end of the capillary. 
D)  A decline in capillary oncotic pressure causes excess water to be reabsorbed from the interstitium. 
A)  Most water is filtered out of the capillary into the interstitium at the arterial end of the capillary. 
B)  The capillary oncotic pressure is responsible for the movement of water from the capillary into the interstitium. 
C)  The capillary oncotic pressure is responsible for the flow of blood from the arterial end of the capillary to the venous end of the capillary. 
D)  A decline in capillary oncotic pressure causes excess water to be reabsorbed from the interstitium. A

Question 2

Most K⁺ is located in the cells,with little K⁺ in the tissue spaces.What accounts for the movement of additional K⁺ into the cells?

Accepted Answer

A)  K+ in the tissue fluid diffuses into the cell. 
B)  K+ enters the cell in response to facilitated diffusion. 
C)  K+ is actively pumped into the cell. 
D)  K+ enters the cell because of pinocytosis. 
A)  K+ in the tissue fluid diffuses into the cell. 
B)  K+ enters the cell in response to facilitated diffusion. 
C)  K+ is actively pumped into the cell. 
D)  K+ enters the cell because of pinocytosis. C

Question 3

Oxygen moves from the lungs (high concentration)into the blood (low concentration)in response to

Accepted Answer

A)  filtration. 
B)  osmosis. 
C)  diffusion. 
D)  endocytosis. 
A)  filtration. 
B)  osmosis. 
C)  diffusion. 
D)  endocytosis. C

Question 4

What is the extensive internal membrane system that forms channels and is concerned with the synthesis of protein and steroids?

Accepted Answer

A)  Mitochondria 
B)  Lysosomes 
C)  Endoplasmic reticulum 
D)  DNA 
A)  Mitochondria 
B)  Lysosomes 
C)  Endoplasmic reticulum 
D)  DNA

Question 5

Pinocytosis

Accepted Answer

A)  is a passive process. 
B)  requires a pressure gradient as its driving force. 
C)  refers to cellular drinking. 
D)  is a form of exocytosis. 
A)  is a passive process. 
B)  requires a pressure gradient as its driving force. 
C)  refers to cellular drinking. 
D)  is a form of exocytosis.

Question 6

Prophase,metaphase,anaphase,and telophase are phases of

Accepted Answer

A)  active transport. 
B)  mitosis. 
C)  differentiation. 
D)  pinocytosis. 
A)  active transport. 
B)  mitosis. 
C)  differentiation. 
D)  pinocytosis.

Question 7

Which process describes phagocytosis and pinocytosis?

Accepted Answer

A)  Facilitated diffusion 
B)  Endocytosis 
C)  Filtration 
D)  Exocytosis 
A)  Facilitated diffusion 
B)  Endocytosis 
C)  Filtration 
D)  Exocytosis

Question 8

Prophase,metaphase,anaphase,and telophase

Accepted Answer

A)  are stages of cytokinesis. 
B)  occur during G1. 
C)  are concerned with the synthesis of DNA and the doubling of the chromosomes. 
D)  are stages of mitosis. 
A)  are stages of cytokinesis. 
B)  occur during G1. 
C)  are concerned with the synthesis of DNA and the doubling of the chromosomes. 
D)  are stages of mitosis.

Question 9

An anticancer drug that interferes only with mitosis

Accepted Answer

A)  is described as cell cycle M phase-specific. 
B)  is cell cycle phase-nonspecific. 
C)  is nontoxic. 
D)  stimulates neoplastic cell growth. 
A)  is described as cell cycle M phase-specific. 
B)  is cell cycle phase-nonspecific. 
C)  is nontoxic. 
D)  stimulates neoplastic cell growth.

Question 10

Most body potassium (K⁺)is located intracellularly.Through what transport mechanism would additional K⁺ move from the extracellular compartment to the intracellular compartment?

Accepted Answer

A)  Osmosis 
B)  Active transport pump 
C)  Facilitated diffusion 
D)  Filtration 
A)  Osmosis 
B)  Active transport pump 
C)  Facilitated diffusion 
D)  Filtration

Question 11

Compartment A contains a 5% glucose solution.Compartment B contains a 15% glucose solution.The membrane (dividing the beaker into compartments A and B)is permeable to both solute and solvent.Which of the following statements is true regarding the initial net flux?

Accepted Answer

A)  Water diffuses from compartment A to compartment B. 
B)  Glucose diffuses from compartment A to compartment B. 
C)  Solute diffuses from compartment A to compartment B. 
D)  Solvent diffuses from compartment B to compartment A. 
A)  Water diffuses from compartment A to compartment B. 
B)  Glucose diffuses from compartment A to compartment B. 
C)  Solute diffuses from compartment A to compartment B. 
D)  Solvent diffuses from compartment B to compartment A.

Question 12

The skunk makes his presence known by

Accepted Answer

A)  filtration. 
B)  osmosis. 
C)  active transport. 
D)  diffusion. 
A)  filtration. 
B)  osmosis. 
C)  active transport. 
D)  diffusion.

Question 13

Which structure is described as rough or smooth?

Accepted Answer

A)  Ribosome 
B)  Mitochondrion 
C)  Cilia 
D)  Endoplasmic reticulum 
A)  Ribosome 
B)  Mitochondrion 
C)  Cilia 
D)  Endoplasmic reticulum

Question 14

At equilibrium the volume in compartment B is greater than the volume in compartment A.In which initial situation would this be achieved?

Accepted Answer

A)  There is a 5% glucose solution in compartment A and a 15% glucose solution in compartment B. The membrane (separating the beaker into compartments A and 
B)  is impermeable to the solute and permeable to the solvent. 
B)  There is a 15% glucose solution in compartment A and a 5% glucose solution in compartment B. The membrane (separating the beaker into compartments A and 
B)  is permeable to water and impermeable to glucose. 
C)  There is a 15% glucose solution in compartment A and a 15% glucose solution in compartment B. The membrane (separating the beaker into compartments A and 
B)  is permeable to both solute and solvent. 
D)  There is a 25% glucose solution in compartment A and a 5% glucose solution in compartment B. The membrane (separating the beaker into compartments A and 
B)  is permeable to solvent but impermeable to glucose. 
A)  There is a 5% glucose solution in compartment A and a 15% glucose solution in compartment B. The membrane (separating the beaker into compartments A and 
B)  is impermeable to the solute and permeable to the solvent. 
B)  There is a 15% glucose solution in compartment A and a 5% glucose solution in compartment B. The membrane (separating the beaker into compartments A and 
B)  is permeable to water and impermeable to glucose. 
C)  There is a 15% glucose solution in compartment A and a 15% glucose solution in compartment B. The membrane (separating the beaker into compartments A and 
B)  is permeable to both solute and solvent. 
D)  There is a 25% glucose solution in compartment A and a 5% glucose solution in compartment B. The membrane (separating the beaker into compartments A and 
B)  is permeable to solvent but impermeable to glucose.

Question 15

Compartment A contains a 25% glucose solution.Compartment B contains a 15% glucose solution.The membrane (dividing the beaker into compartments A and B)is permeable to water but impermeable to glucose.Which of the following statements is true regarding the initial net flux?

Accepted Answer

A)  Water diffuses from compartment B to compartment A. 
B)  Glucose diffuses from compartment A to compartment B. 
C)  Solute diffuses from compartment A to compartment B. 
D)  Solvent diffuses from compartment A to compartment B. 
A)  Water diffuses from compartment B to compartment A. 
B)  Glucose diffuses from compartment A to compartment B. 
C)  Solute diffuses from compartment A to compartment B. 
D)  Solvent diffuses from compartment A to compartment B.

Question 16

What is the effect of an intravenous infusion of pure water?

Accepted Answer

A)  It is the same response as to the infusion of isotonic saline. 
B)  It is the same response as to the infusion of Ringer's solution. 
C)  The RBCs burst. 
D)  The RBCs shrink (crenation). 
A)  It is the same response as to the infusion of isotonic saline. 
B)  It is the same response as to the infusion of Ringer's solution. 
C)  The RBCs burst. 
D)  The RBCs shrink (crenation).

Question 17

A cell that "drops out" of the cell cycle

Accepted Answer

A)  enters G0. 
B)  splits into two genetically identical cells. 
C)  reduces its chromosome number by 50%. 
D)  becomes a stem cell. 
A)  enters G0. 
B)  splits into two genetically identical cells. 
C)  reduces its chromosome number by 50%. 
D)  becomes a stem cell.

Question 18

Lysosomes are filled with

Accepted Answer

A)  powerful enzymes that destroy cellular debris and pathogens. 
B)  cilia. 
C)  DNA. 
D)  blood. 
A)  powerful enzymes that destroy cellular debris and pathogens. 
B)  cilia. 
C)  DNA. 
D)  blood.

Question 19

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution while compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl-.Initially,

Accepted Answer

A)  Na+ and Cl- diffuse from compartment B to compartment A. 
B)  water diffuses from compartment B to compartment A. 
C)  Na+ and Cl- diffuse from compartment A to compartment B. 
D)  Na+ diffuses from compartment A to compartment B and Cl- diffuses from compartment B to compartment A. 
A)  Na+ and Cl- diffuse from compartment B to compartment A. 
B)  water diffuses from compartment B to compartment A. 
C)  Na+ and Cl- diffuse from compartment A to compartment B. 
D)  Na+ diffuses from compartment A to compartment B and Cl- diffuses from compartment B to compartment A.

Question 20

If plasma protein leaks into the tissue spaces,

Accepted Answer

A)  edema develops. 
B)  the tissue space becomes dehydrated as excess tissue fluid enters the capillaries. 
C)  blood volume expands as excess fluid is absorbed into the blood vessels (capillaries). 
D)  all of the above occur. 
A)  edema develops. 
B)  the tissue space becomes dehydrated as excess tissue fluid enters the capillaries. 
C)  blood volume expands as excess fluid is absorbed into the blood vessels (capillaries). 
D)  all of the above occur.

Exam 3: Cells

The capillary filtration pressure (arterial end of the capillary)is 30 mm Hg and 7 mm Hg at the venous end.The capillary oncotic pressure is 15 mm Hg.Which of the following is true?

Most K⁺ is located in the cells,with little K⁺ in the tissue spaces.What accounts for the movement of additional K⁺ into the cells?

Oxygen moves from the lungs (high concentration)into the blood (low concentration)in response to

What is the extensive internal membrane system that forms channels and is concerned with the synthesis of protein and steroids?

Pinocytosis

Prophase,metaphase,anaphase,and telophase are phases of

Which process describes phagocytosis and pinocytosis?

Prophase,metaphase,anaphase,and telophase

An anticancer drug that interferes only with mitosis

Most body potassium (K⁺)is located intracellularly.Through what transport mechanism would additional K⁺ move from the extracellular compartment to the intracellular compartment?

Compartment A contains a 5% glucose solution.Compartment B contains a 15% glucose solution.The membrane (dividing the beaker into compartments A and B)is permeable to both solute and solvent.Which of the following statements is true regarding the initial net flux?

The skunk makes his presence known by

Which structure is described as rough or smooth?

At equilibrium the volume in compartment B is greater than the volume in compartment A.In which initial situation would this be achieved?

Compartment A contains a 25% glucose solution.Compartment B contains a 15% glucose solution.The membrane (dividing the beaker into compartments A and B)is permeable to water but impermeable to glucose.Which of the following statements is true regarding the initial net flux?

What is the effect of an intravenous infusion of pure water?

A cell that "drops out" of the cell cycle

Lysosomes are filled with

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution while compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl-.Initially,

If plasma protein leaks into the tissue spaces,

Introduction to the Human Body

Basic Chemistry

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

Filters

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution while compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl^-.Initially,