Question 1

Based on this figure, which of the following occurs first?

Accepted Answer

A)  fibrin production
B)  prothrombin conversion
C)  fibrinogen conversionD) B) and C)
E) None of the above

Question 2

In which vertebrate group are there two atria but only a single ventricle?

Accepted Answer

A)  fishes
B)  crocodiles
C)  some reptiles
D)  birds
E)  mammalsF) C) and E)
G) A) and B)

Question 3

During clotting, what happens to the plasma protein fibrinogen?

Accepted Answer

It is converted into fibrin, w...

Question 4

What drives the return of blood to the heart in the systemic veins?

Accepted Answer

A)  contractions of the left auricle
B)  muscles squeezing blood through the veins
C)  ciliated cells lining the inside of the veins
D)  the lymphatic systemE) A) and B)
F) A) and C)

Question 5

Gap junctions:

Accepted Answer

A)  allow the rapid passage of electrical signals among heart cells.
B)  prevent the backflow of blood from ventricles to atrium.
C)  connect veins and arteries.
D)  are found in white blood cells.E) A) and C)
F) All of the above

Question 6

Long-distance runners like to train at high altitudes because the lack of oxygen there stimulates the:

Accepted Answer

A)  body to produce more lung tissue.
B)  bone marrow to make more erythrocytes.
C)  muscles to contract aerobically.
D)  muscles to contract more strongly.
E)  capillaries to diffuse oxygen more readily.F) B) and E)
G) A) and E)

Question 7

The liver is the primary producer of albumin. People with liver failure often show signs of extensive edema (tissue swelling) . The edema occurs because fluid in the tissues is less likely to return to the blood due to a breakdown in the osmotic gradient that normally exists. Based on this scenario, which of the following statements explains this phenomenon?

Accepted Answer

A)  Albumin, which is not normally released by the liver, causes capillaries to become leaky and release fluid into the surrounding tissues.
B)  Albumin, which is not normally released by the liver, causes an increase in blood pressure, which forces fluid into the tissues from the capillaries.
C)  The failing liver releases more albumin into the blood than normal.
D)  The failing liver releases less albumin into the blood than normal.E) A) and B)
F) C) and D)

Question 8

Atherosclerosis:

Accepted Answer

A)  reduces blood flow in arteries.
B)  is another name for high blood pressure.
C)  is a condition of the veins.
D)  is caused by a diet high in salt.
E)  causes a loss of plaque from the walls of the arteries.F) B) and D)
G) D) and E)

Question 9

When extracellular fluid enters the lymphatic system, it is known as:

Accepted Answer

A)  plasma.
B)  extracellular fluid.
C)  globulin.
D)  lymph.
E)  macrophage.F) B) and E)
G) None of the above

Question 10

Which of the following include lymphocytes?

Accepted Answer

A)  red blood cells
B)  white blood cells
C)  platelets
D)  albuminE) A) and D)
F) None of the above

Question 11

In animals that have open circulatory systems, the extracellular fluid that functions as blood is called:

Accepted Answer

A)  lymph.
B)  leukocyte.
C)  plasma.
D)  hemolymph.
E)  hemocoel.F) A) and E)
G) A) and D)

Question 12

Which blood constituent makes up most of the volume of blood?

Accepted Answer

A)  red blood cells
B)  plasma
C)  white blood cells
D)  blood proteinsE) B) and D)
F) B) and C)

Question 13

What is the role of erythropoietin?

Accepted Answer

It simulates the bon...

Question 14

Based on this figure, which of the following is true?

Accepted Answer

A)  Oxygenated and deoxygenated blood never mix.
B)  Oxygenated and deoxygenated blood mix in the ventricle.
C)  Oxygenated and deoxygenated blood mix in the atria.
D)  Deoxygenated blood enters the body capillaries after being pumped from the heart.E) C) and D)
F) A) and D)

Question 15

Some athletes use "blood doping," in which additional red blood cells are added to the blood prior to the competition. What is the effect of blood doping?

Accepted Answer

A)  It makes the heart beat faster.
B)  It increases oxygen delivery to muscles.
C)  It decreases blood pressure.
D)  It changes the blood type.E) A) and B)
F) A) and C)

Question 16

In fish, blood leaving the heart goes directly to the:

Accepted Answer

A)  kidney.
B)  gills.
C)  swimming muscles.
D)  brain.E) A) and B)
F) A) and C)

Question 17

All of the following are functions of the lymphatic system EXCEPT:

Accepted Answer

A)  returning fluid to the circulatory system.
B)  returning dissolved materials to the circulation.
C)  transporting fats to the circulatory system.
D)  defending the body.
E)  transporting oxygen to the lungs.F) A) and D)
G) A) and C)

Question 18

The aorta:

Accepted Answer

A)  is a major artery.
B)  is a major vein.
C)  contains blood with low pressure.
D)  connects the right and left ventricles of the heart.E) A) and D)
F) All of the above

Question 19

If you remove red blood cells, white blood cells, and platelets from blood, what remains?

Accepted Answer

A)  pure water
B)  plasma
C)  lymph
D)  albuminE) A) and B)
F) B) and D)

Question 20

White blood cells:

Accepted Answer

A)  carry oxygen in blood.
B)  protect the body from microbes.
C)  are formed in the spleen.
D)  clot blood.E) A) and C)
F) All of the above

Exam 32: Circulation

Atherosclerosis:

Correct Answer
verified

Correct Answer
verified

Gap junctions:

Correct Answer
verified

Some athletes use "blood doping," in which additional red blood cells are added to the blood prior to the competition. What is the effect of blood doping?

Correct Answer
verified

If you remove red blood cells, white blood cells, and platelets from blood, what remains?

Correct Answer
verified

What is the role of erythropoietin?

Correct Answer
verified
It simulates the bon...
View Answer

All of the following are functions of the lymphatic system EXCEPT:

Correct Answer
verified

During clotting, what happens to the plasma protein fibrinogen?

Correct Answer
verified
It is converted into fibrin, w...
View Answer

When extracellular fluid enters the lymphatic system, it is known as:

Correct Answer
verified

The aorta:

Correct Answer
verified

In animals that have open circulatory systems, the extracellular fluid that functions as blood is called:

Correct Answer
verified

What drives the return of blood to the heart in the systemic veins?

Correct Answer
verified

Based on this figure, which of the following is true?

Correct Answer
verified

Which blood constituent makes up most of the volume of blood?

Correct Answer
verified

Long-distance runners like to train at high altitudes because the lack of oxygen there stimulates the:

Correct Answer
verified

In which vertebrate group are there two atria but only a single ventricle?

Correct Answer
verified

Which of the following include lymphocytes?

Correct Answer
verified

Based on this figure, which of the following occurs first?

Correct Answer
verified

In fish, blood leaving the heart goes directly to the:

Correct Answer
verified

White blood cells:

Correct Answer
verified

Exam 32: Circulation

Atherosclerosis:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Gap junctions:

Correct AnswerverifiedShow Answer

Some athletes use "blood doping," in which additional red blood cells are added to the blood prior to the competition. What is the effect of blood doping?

Correct AnswerverifiedShow Answer

If you remove red blood cells, white blood cells, and platelets from blood, what remains?

Correct AnswerverifiedShow Answer

What is the role of erythropoietin?

Correct AnswerverifiedIt simulates the bon...View AnswerShow Answer

All of the following are functions of the lymphatic system EXCEPT:

Correct AnswerverifiedShow Answer

During clotting, what happens to the plasma protein fibrinogen?

Correct AnswerverifiedIt is converted into fibrin, w...View AnswerShow Answer

When extracellular fluid enters the lymphatic system, it is known as:

Correct AnswerverifiedShow Answer

The aorta:

Correct AnswerverifiedShow Answer

In animals that have open circulatory systems, the extracellular fluid that functions as blood is called:

Correct AnswerverifiedShow Answer

What drives the return of blood to the heart in the systemic veins?

Correct AnswerverifiedShow Answer

Based on this figure, which of the following is true?

Correct AnswerverifiedShow Answer

Which blood constituent makes up most of the volume of blood?

Correct AnswerverifiedShow Answer

Long-distance runners like to train at high altitudes because the lack of oxygen there stimulates the:

Correct AnswerverifiedShow Answer

In which vertebrate group are there two atria but only a single ventricle?

Correct AnswerverifiedShow Answer

Which of the following include lymphocytes?

Correct AnswerverifiedShow Answer

Based on this figure, which of the following occurs first?

Correct AnswerverifiedShow Answer

In fish, blood leaving the heart goes directly to the:

Correct AnswerverifiedShow Answer

White blood cells:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
It simulates the bon...
View Answer

Correct Answer
verified

Correct Answer
verified
It is converted into fibrin, w...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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