Question 1

The force that blood exerts on blood vessel walls is termed

Accepted Answer

A)  venous pressure. 
B)  gravitational pressure. 
C)  blood pressure. 
D)  osmotic pressure. 
E)  pulmonary pressure. 
A)  venous pressure. 
B)  gravitational pressure. 
C)  blood pressure. 
D)  osmotic pressure. 
E)  pulmonary pressure.

Question 2

Since hemoglobin has a greater affinity for carbon monoxide than for oxygen,what would be a symptom of carbon monoxide poisoning?

Accepted Answer

A)  hyperactivity 
B)  increased blood pH 
C)  decreased exhalation of oxygen 
D)  increased heart rate 
E)  decreased ATP production 
A)  hyperactivity 
B)  increased blood pH 
C)  decreased exhalation of oxygen 
D)  increased heart rate 
E)  decreased ATP production

Question 3

A frog can absorb oxygen through its skin and lungs.Which is an advantage of absorbing oxygen through the lungs?

Accepted Answer

A)  The heart pumps oxygen from the lungs into the bloodstream. 
B)  Oxygen absorbed in the lungs enters the blood stream. 
C)  Air in the lungs has a higher concentration of oxygen than air in the atmosphere. 
D)  Oxygen diffuses across cells more slowly than across the lining of the lungs. 
E)  Lungs have more surface area than the skin. 
A)  The heart pumps oxygen from the lungs into the bloodstream. 
B)  Oxygen absorbed in the lungs enters the blood stream. 
C)  Air in the lungs has a higher concentration of oxygen than air in the atmosphere. 
D)  Oxygen diffuses across cells more slowly than across the lining of the lungs. 
E)  Lungs have more surface area than the skin.

Question 4

Capillary beds are networks of capillaries that connect arterioles and venules.

Accepted Answer

A) True 
 B)False

Question 5

The largest artery in the body is the

Accepted Answer

A)  coronary artery. 
B)  superior vena cava. 
C)  aorta. 
D)  pulmonary artery. 
E)  carotid artery. 
A)  coronary artery. 
B)  superior vena cava. 
C)  aorta. 
D)  pulmonary artery. 
E)  carotid artery.

Question 6

One of the main reasons that we exhale a higher percentage of carbon dioxide than we inhale is that

Accepted Answer

A)  we use carbon dioxide to make glucose. 
B)  we produce carbon dioxide as a byproduct of aerobic respiration. 
C)  we produce carbon dioxide as a byproduct of transmission of nerve impulses across synapses. 
D)  carbon dioxide is a byproduct of photosynthesis. 
E)  carbon dioxide dissolves better in blood than does oxygen. 
A)  we use carbon dioxide to make glucose. 
B)  we produce carbon dioxide as a byproduct of aerobic respiration. 
C)  we produce carbon dioxide as a byproduct of transmission of nerve impulses across synapses. 
D)  carbon dioxide is a byproduct of photosynthesis. 
E)  carbon dioxide dissolves better in blood than does oxygen.

Question 7

The widening of blood vessels is

Accepted Answer

A)  vasoconstriction. 
B)  cardioconstriction. 
C)  vasodilation. 
D)  cardiodilation. 
E)  All answers are correct. 
A)  vasoconstriction. 
B)  cardioconstriction. 
C)  vasodilation. 
D)  cardiodilation. 
E)  All answers are correct.

Question 8

A person can donate blood every two months, platelets every two weeks, and plasma twice a week. In whole blood donation, the blood is collected directly into a bag until it is used in a transfusion. In platelet donation, the platelets are separated from the other blood cells by apheresis and saved; the other blood cells and plasma are injected back into the donor. In plasma donation, blood cells are separated, plasma is removed, and the blood cells are injected back into the donor.
-Which is the correct order for the time required to replace each blood component from shortest to longest?

Accepted Answer

A)  plasma, red blood cell, platelet 
B)  platelet, red blood cell, plasma 
C)  red blood cell, platelet, plasma 
D)  plasma, platelet, red blood cell 
E)  red blood cell, plasma, platelet 
A)  plasma, red blood cell, platelet 
B)  platelet, red blood cell, plasma 
C)  red blood cell, platelet, plasma 
D)  plasma, platelet, red blood cell 
E)  red blood cell, plasma, platelet

Question 9

If you came across a description of cellular components of blood that destroy foreign substances,you would be reading about

Accepted Answer

A)  red blood cells. 
B)  cartilage cells. 
C)  platelets. 
D)  leukocytes. 
E)  bone cells. 
A)  red blood cells. 
B)  cartilage cells. 
C)  platelets. 
D)  leukocytes. 
E)  bone cells.

Question 10

Sleep apnea is temporarily ceasing to breathe and is more common in people who are overweight.Excess fat in the neck compresses the ________ cutting off air flow.

Accepted Answer

A)  larynx 
B)  thorax 
C)  bronchi 
D)  lungs 
E)  alveoli 
A)  larynx 
B)  thorax 
C)  bronchi 
D)  lungs 
E)  alveoli

Question 11

ATP is required by cells to provide power for

Accepted Answer

A)  DNA replication. 
B)  movement. 
C)  production of proteins. 
D)  growth. 
E)  All answers are correct. 
A)  DNA replication. 
B)  movement. 
C)  production of proteins. 
D)  growth. 
E)  All answers are correct.

Question 12

Blood that reaches the heart tissue via the coronary artery has more oxygen in it than the tissue itself.

Accepted Answer

A) True 
 B)False

Question 13

Patients with cardiovascular problems can be prescribed many different medications. Aspirin inhibits platelets, beta-blockers slow the heart rate, and diuretics cause the kidneys to release more water in the urine.
-Which drugs would be prescribed to a person who has high blood pressure?

Accepted Answer

A)  aspirin 
B)  a beta-blocker 
C)  a beta-blocker and a diuretic 
D)  a diuretic 
E)  aspirin and a diuretic 
A)  aspirin 
B)  a beta-blocker 
C)  a beta-blocker and a diuretic 
D)  a diuretic 
E)  aspirin and a diuretic

Question 14

Which is an artery that supplies blood to the heart muscle?

Accepted Answer

A)  aorta 
B)  coronary artery 
C)  carotid artery 
D)  superior vena cava 
E)  inferior vena cava 
A)  aorta 
B)  coronary artery 
C)  carotid artery 
D)  superior vena cava 
E)  inferior vena cava

Question 15

An increase in the number of red blood cells is called anemia.

Accepted Answer

A) True 
 B)False

Question 16

What drives the movement of oxygen from the alveoli into the bloodstream?

Accepted Answer

A)  active transport against a concentration gradient 
B)  facilitated diffusion down a concentration gradient 
C)  facilitated diffusion against a concentration gradient 
D)  diffusion down a concentration gradient 
E)  the heart pumping the oxygen into the bloodstream 
A)  active transport against a concentration gradient 
B)  facilitated diffusion down a concentration gradient 
C)  facilitated diffusion against a concentration gradient 
D)  diffusion down a concentration gradient 
E)  the heart pumping the oxygen into the bloodstream

Question 17

The cellular components of blood that transport oxygen are

Accepted Answer

A)  leukocytes. 
B)  red blood cells. 
C)  platelets. 
D)  cartilage cells. 
E)  bone cells. 
A)  leukocytes. 
B)  red blood cells. 
C)  platelets. 
D)  cartilage cells. 
E)  bone cells.

Question 18

Each alveolus of the lung is a small sac with a wall of epithelial tissue that is many layers thick,thereby providing structural support for the air sacs.

Accepted Answer

A) True 
 B)False

Question 19

A person can donate blood every two months, platelets every two weeks, and plasma twice a week. In whole blood donation, the blood is collected directly into a bag until it is used in a transfusion. In platelet donation, the platelets are separated from the other blood cells by apheresis and saved; the other blood cells and plasma are injected back into the donor. In plasma donation, blood cells are separated, plasma is removed, and the blood cells are injected back into the donor.
-Why could you donate plasma twice a week?

Accepted Answer

A)  Plasma contains only proteins and fluid which can be replaced quickly. 
B)  Plasma contains platelets which can be replaced quickly. 
C)  Plasma contains red blood cells which can be replaced quickly. 
D)  Plasma contains only water and can be rapidly replaced. 
E)  Plasma is regenerated from the blood cells injected back into the donor. 
A)  Plasma contains only proteins and fluid which can be replaced quickly. 
B)  Plasma contains platelets which can be replaced quickly. 
C)  Plasma contains red blood cells which can be replaced quickly. 
D)  Plasma contains only water and can be rapidly replaced. 
E)  Plasma is regenerated from the blood cells injected back into the donor.

Question 20

A heart murmur is caused by

Accepted Answer

A)  a greater-than-normal force of contraction of the right atrium. 
B)  a constriction of the pulmonary artery. 
C)  blockage of the aorta. 
D)  the heart valves not functioning properly. 
E)  a greater-than-normal force of contraction of the left atrium. 
A)  a greater-than-normal force of contraction of the right atrium. 
B)  a constriction of the pulmonary artery. 
C)  blockage of the aorta. 
D)  the heart valves not functioning properly. 
E)  a greater-than-normal force of contraction of the left atrium.

Exam 27: The Circulatory and Respiratory Systems

The force that blood exerts on blood vessel walls is termed

Since hemoglobin has a greater affinity for carbon monoxide than for oxygen,what would be a symptom of carbon monoxide poisoning?

A frog can absorb oxygen through its skin and lungs.Which is an advantage of absorbing oxygen through the lungs?

Capillary beds are networks of capillaries that connect arterioles and venules.

The largest artery in the body is the

One of the main reasons that we exhale a higher percentage of carbon dioxide than we inhale is that

The widening of blood vessels is

If you came across a description of cellular components of blood that destroy foreign substances,you would be reading about

Sleep apnea is temporarily ceasing to breathe and is more common in people who are overweight.Excess fat in the neck compresses the ________ cutting off air flow.

ATP is required by cells to provide power for

Blood that reaches the heart tissue via the coronary artery has more oxygen in it than the tissue itself.

Patients with cardiovascular problems can be prescribed many different medications. Aspirin inhibits platelets, beta-blockers slow the heart rate, and diuretics cause the kidneys to release more water in the urine. -Which drugs would be prescribed to a person who has high blood pressure?

Which is an artery that supplies blood to the heart muscle?

An increase in the number of red blood cells is called anemia.

What drives the movement of oxygen from the alveoli into the bloodstream?

The cellular components of blood that transport oxygen are

Each alveolus of the lung is a small sac with a wall of epithelial tissue that is many layers thick,thereby providing structural support for the air sacs.

A heart murmur is caused by

The Scientific Study of Life

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