Question 1

Which of the following statements is true about the majority of arteries in the body?

Accepted Answer

A)   Arteries transport blood toward the heart and contain a thick wall of smooth muscle.
B)   Arteries transport blood toward the heart and contain a thin wall of smooth muscle.
C)   Arteries transport blood away from the heart and contain a thick wall of smooth muscle.
D)   Arteries transport blood away from the heart and contain a thick wall of skeletal muscle.
E)   Arteries transport blood away from the heart and contain a thick wall of cardiac muscle.F) A) and B)
G) A) and C)

Question 2

If blood is blocked from reaching the heart muscle and it results in chest pain,

Accepted Answer

A)   this indicates a heart attack has occurred due to the lack of oxygen to part of the heart muscle.
B)   it is called angina pectoris.
C)   this indicates a heart attack has occurred due to a stroke.
D)   the likely cause is a heart murmur.
E)   a probable treatment is a blood transfusion.F) A) and D)
G) B) and D)

Question 3

Which one of the following statements is true about animals that do not have circulatory systems?

Accepted Answer

A)   They do not have tissues and organs.
B)   They may rely on diffusion for the transfer of gases, nutrients, and wastes.
C)   There are no animals without circulatory systems.
D)   They tend to have large bodies.
E)   The body cells are typically distant from the source of the oxygen, so the gas has to diffuse through several layers to reach all cells.F) A) and B)
G) C) and E)

Question 4

The advantage of the double-loop circulatory pathway of some vertebrates over the single-loop circulatory pathway of fish is that

Accepted Answer

A)   the blood is put back under pressure after picking up oxygen in the respiratory organ.
B)   all the O2-rich blood is pumped to the systemic arteries of the body.
C)   the O2-rich blood and O2-poor blood mixes in the single ventricle.
D)   the ventricle acts as a strong pump.
E)   the atria act as receiving chambers.F) C) and D)
G) B) and D)

Question 5

Which statement is true about the arterial end of a capillary?

Accepted Answer

A)   The blood pressure is higher than the osmotic pressure, causing water to leave the bloodstream.
B)   The blood pressure is lower than the osmotic pressure, causing water to leave the bloodstream.
C)   The blood pressure is higher than the osmotic pressure, causing water to enter the bloodstream.
D)   The blood pressure is equal to the osmotic pressure, causing water to leave the bloodstream.
E)   The blood pressure is equal to the osmotic pressure, causing water to enter the bloodstream.F) B) and E)
G) A) and B)

Question 6

In organisms that lack a circulatory system, what is the most common method of exchanging nutrients from the external environment to the body?

Accepted Answer

A)   diffusion
B)   osmosis
C)   absorption
D)   swallowing them whole
E)   engulfing them into their stomachF) C) and D)
G) B) and E)

Question 7

In an open circulatory system,

Accepted Answer

A)   hemolymph enters the heart via ostia.
B)   blood leaves the heart via venules.
C)   the heart has two or more chambers.
D)   nutrients are exchanged across the walls of capillaries.
E)   blood is pumped into cavities called ventricles.F) A) and C)
G) A) and D)

Question 8

Taking up fat from digested foods along with excess tissue fluid and returning it to cardiovascular veins is a function of the

Accepted Answer

A)   circulatory system.
B)   systemic circuit.
C)   lymphatic system.
D)   pulmonary circuit.
E)   cardiovascular arteries.F) C) and D)
G) B) and D)

Question 9

You are a doctor and a patient comes to you for a checkup. He expresses that his father recently had a heart attack brought on by atherosclerosis. He wants to know what he should do to lower his risk of also having a heart attack. Which of the following statements might you make to him?

Accepted Answer

A)   Do not be concerned about your weight.
B)   Keep exercise to a minimum.
C)   Decrease the amount of fruits and vegetables in your diet.
D)   Decrease the amount of saturated fat and cholesterol in your diet.
E)   Smoking does not contribute to your risk.F) None of the above
G) A) and E)

Question 10

A leak in a blood vessel is closed first by platelets and then by fibrin threads.

Accepted Answer

A) True 
 B)False

Question 11

Which structure is the letter Z pointing to in the diagram?

Accepted Answer

A)   pulmonary trunk
B)   septum
C)   left atrium
D)   right ventricle
E)   superior vena cavaF) A) and B)
G) A) and C)

Question 12

Which of the following is not true about platelets?

Accepted Answer

A)   They form clumps in leaks in blood vessels.
B)   They produce prothrombin activator.
C)   They contract within a clot.
D)   They phagocytize pathogens.
E)   They are actual fragments of a larger type of cell.F) A) and C)
G) A) and E)

Question 13

In order for cells in multicellular organisms to exchange gases, a circulatory system must be present.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following statements is correct about the function of the pulmonary circulatory system?

Accepted Answer

A)   The pulmonary system is responsible for adding oxygen and removing carbon dioxide from the red blood cells.
B)   The systemic system is responsible for adding oxygen and removing carbon dioxide from the red blood cells.
C)   The pulmonary system is responsible for adding carbon dioxide and removing oxygen from the red blood cells.
D)   The pulmonary system is responsible for adding oxygen and removing carbon dioxide from the white blood cells.
E)   The pulmonary system is responsible for adding oxygen and removing carbon dioxide from the platelets.F) All of the above
G) A) and D)

Question 15

Which organism has an open circulatory system?

Accepted Answer

A)   grasshopper
B)   frog
C)   eagle
D)   human
E)   sharkF) A) and E)
G) C) and D)

Question 16

Which of the following statements is not true regarding the movement of blood through capillary beds?

Accepted Answer

A)   Cold temperatures will cause the opening of sphincters to capillary beds in the skin.
B)   Eating will cause the opening of sphincters to capillary beds in the digestive tract.
C)   Exercise will cause the opening of sphincters to capillary beds in skeletal muscles.
D)   When the sphincters leading to a capillary bed are closed, the blood passes through a shunt.
E)   Red blood cells move through the capillaries in single file.F) A) and C)
G) B) and E)

Question 17

The pulmonary circuit in a closed circulatory system functions in

Accepted Answer

A)   nutrient absorption from the intestine.
B)   gas exchange in the lungs.
C)   waste disposal in the kidneys.
D)   creating proper blood pressure.
E)   distribution of nutrients to the body tissues.F) A) and E)
G) A) and D)

Question 18

The osmotic pressure and buffering capacity of the blood is maintained by the

Accepted Answer

A)   red blood cells.
B)   plasma.
C)   lymph.
D)   white blood cells.
E)   platelets.F) C) and E)
G) B) and C)

Question 19

In the figure shown here, the blood in the chamber indicated by the arrow marked with "X" 2-poor and O2-rich blood. B)  is poor in oxygen. C)  is rich in oxygen. D)  will all be pumped to the lungs. E)  will all be pumped to the systemic capillaries of the body." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   is a mixture of O2-poor and O2-rich blood.
B)   is poor in oxygen.
C)   is rich in oxygen.
D)   will all be pumped to the lungs.
E)   will all be pumped to the systemic capillaries of the body.F) A) and B)
G) B) and E)

Exam 23: The Transport Systems

Which of the following statements is true about the majority of arteries in the body?

Correct Answer
verified

The pulmonary circuit in a closed circulatory system functions in

Correct Answer
verified

If blood is blocked from reaching the heart muscle and it results in chest pain,

Correct Answer
verified

Which of the following is not true about platelets?

Correct Answer
verified

Which structure is the letter Z pointing to in the diagram?

Correct Answer
verified

The osmotic pressure and buffering capacity of the blood is maintained by the

Correct Answer
verified

The advantage of the double-loop circulatory pathway of some vertebrates over the single-loop circulatory pathway of fish is that

Correct Answer
verified

In an open circulatory system,

Correct Answer
verified

Which one of the following statements is true about animals that do not have circulatory systems?

Correct Answer
verified

In the figure shown here, the blood in the chamber indicated by the arrow marked with "X"

Correct Answer
verified

You are a doctor and a patient comes to you for a checkup. He expresses that his father recently had a heart attack brought on by atherosclerosis. He wants to know what he should do to lower his risk of also having a heart attack. Which of the following statements might you make to him?

Correct Answer
verified

Which of the following statements is not true regarding the movement of blood through capillary beds?

Correct Answer
verified

Which of the following statements is correct about the function of the pulmonary circulatory system?

Correct Answer
verified

Taking up fat from digested foods along with excess tissue fluid and returning it to cardiovascular veins is a function of the

Correct Answer
verified

Which organism has an open circulatory system?

Correct Answer
verified

Which statement is true about the arterial end of a capillary?

Correct Answer
verified

In organisms that lack a circulatory system, what is the most common method of exchanging nutrients from the external environment to the body?

Correct Answer
verified

In order for cells in multicellular organisms to exchange gases, a circulatory system must be present.

Correct Answer
verified

A leak in a blood vessel is closed first by platelets and then by fibrin threads.

Correct Answer
verified

Exam 23: The Transport Systems

Which of the following statements is true about the majority of arteries in the body?

Correct AnswerverifiedShow Answer

The pulmonary circuit in a closed circulatory system functions in

Correct AnswerverifiedShow Answer

If blood is blocked from reaching the heart muscle and it results in chest pain,

Correct AnswerverifiedShow Answer

Which of the following is not true about platelets?

Correct AnswerverifiedShow Answer

Which structure is the letter Z pointing to in the diagram?

Correct AnswerverifiedShow Answer

The osmotic pressure and buffering capacity of the blood is maintained by the

Correct AnswerverifiedShow Answer

The advantage of the double-loop circulatory pathway of some vertebrates over the single-loop circulatory pathway of fish is that

Correct AnswerverifiedShow Answer

In an open circulatory system,

Correct AnswerverifiedShow Answer

Which one of the following statements is true about animals that do not have circulatory systems?

Correct AnswerverifiedShow Answer

In the figure shown here, the blood in the chamber indicated by the arrow marked with "X"

Correct AnswerverifiedShow Answer

You are a doctor and a patient comes to you for a checkup. He expresses that his father recently had a heart attack brought on by atherosclerosis. He wants to know what he should do to lower his risk of also having a heart attack. Which of the following statements might you make to him?

Correct AnswerverifiedShow Answer

Which of the following statements is not true regarding the movement of blood through capillary beds?

Correct AnswerverifiedShow Answer

Which of the following statements is correct about the function of the pulmonary circulatory system?

Correct AnswerverifiedShow Answer

Taking up fat from digested foods along with excess tissue fluid and returning it to cardiovascular veins is a function of the

Correct AnswerverifiedShow Answer

Which organism has an open circulatory system?

Correct AnswerverifiedShow Answer

Which statement is true about the arterial end of a capillary?

Correct AnswerverifiedShow Answer

In organisms that lack a circulatory system, what is the most common method of exchanging nutrients from the external environment to the body?

Correct AnswerverifiedShow Answer

In order for cells in multicellular organisms to exchange gases, a circulatory system must be present.

Correct AnswerverifiedShow Answer

A leak in a blood vessel is closed first by platelets and then by fibrin threads.

Correct AnswerverifiedShow Answer

Correct Answer
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