Question 1

Why would exercise help your blood circulation in your legs?

Accepted Answer

A)  As muscles contract they squeeze blood through the veins and increased heart rate pushes more blood into the legs.
B)  Increased heart rate pushes more blood into the legs only.
C)  As muscles contract they squeeze blood through the veins only.
D)  Exercise increases the amount of red blood cells only.
E)  Exercise increases the amount of red blood cells and increased heart rate pushes more blood into the legs.F) A) and E)
G) A) and D)

Question 2

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.F) B) and E)
G) A) and B)

Question 3

When taking a person's blood pressure,after proper inflation of the cuff,the first pulse sound that is heard through the stethoscope indicates that blood is flowing through the artery past the cuff.The reading on the pressure gauge at this point indicates

Accepted Answer

A)  that the heart is once again beating.
B)  the force of contraction of the atria.
C)  diastolic pressure.
D)  venous pressure.
E)  systolic pressurE.F) C) and E)
G) C) and D)

Question 4

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.F) B) and D)
G) C) and D)

Question 5

Place the following terms in the correct order from which a carbon dioxide molecule in blood travels back to the heart from a muscle cell in the arm where ATP was made for the arm to lift an object.

Accepted Answer

A)  heart,arteries,arterioles,capillaries,interstitial fluid
B)  interstitial fluid,capillaries,venules,veins,heart
C)  interstitial fluid,arteries,arterioles,capillaries,heart
D)  veins,venules,capillaries,alveoli,heart
E)  veins,venules,capillaries,heartF) D) and E)
G) All of the above

Question 6

Emphysema is caused by destruction of the walls between alveoli,leading to hyperinflation of the lungs.Which of the following would occur in the lungs of someone with emphysema?

Accepted Answer

A)  decreased uptake of carbon dioxide
B)  decreased uptake of glucose
C)  decreased uptake of oxygen
D)  decreased rate of respiration
E)  decreased heart rateF) D) and E)
G) A) and E)

Question 7

The lower respiratory tract consists of

Accepted Answer

A)  the pharynx and lungs.
B)  the larynx and lungs.
C)  the larynx,trachea,and lungs.
D)  the trachea and lungs.
E)  the pharynx,trachea,and lungs.F) All of the above
G) C) and D)

Question 8

In the section "Investigating Life: In (Extremely) Cold Blood",where would fish have the highest concentration of oxygen in their blood?

Accepted Answer

A)  as it left their systemic circulation
B)  as it left their heart
C)  as it entered their heart
D)  as it left their lungs
E)  as it left their gillsF) B) and C)
G) B) and D)

Question 9

In the section "Investigating Life: In (Extremely) Cold Blood",what mutations occurred in ice fish that prevent production of hemoglobin?

Accepted Answer

A)  fragmentation of both the alpha and beta genes
B)  deletion of the alpha gene and fragmentation of the beta gene
C)  deletion of both the alpha and beta genes
D)  fragmentation of the alpha gene and deletion of the beta gene
E)  destruction of red blood cells in the bone marrowF) C) and D)
G) All of the above

Question 10

The device that is used to measure a person's blood pressure is a sphygmomanometer.

Accepted Answer

A) True 
 B)False

Question 11

If a person has type O blood they have neither the A nor B markers on their red blood cells.

Accepted Answer

A) True 
 B)False

Question 12

Blood pressure is

Accepted Answer

A)  the force that interstitial fluid exerts on the walls of the arteries.
B)  the force that blood exerts on the walls of the ventricles of the heart.
C)  the force that blood exerts on the walls of the arteries.
D)  the force that interstitial fluid exerts on the walls of the veins.
E)  the force that blood exerts on the walls of the veins.F) A) and B)
G) None of the above

Question 13

In the section "Investigating Life: In (Extremely) Cold Blood",among the ice fishes,Neopagetopsis ionah had white blood but intact alpha and beta globin genes.Why was their blood still white?

Accepted Answer

A)  The fish could produce hemoglobin,but not red blood cells.
B)  The alpha and beta genes were both fragmented.
C)  The alpha and beta genes were both deleted.
D)  The genes were mutated in a way that leaves the fish unable to produce hemoglobin.
E)  The fish could produce hemoglobin,but it did not contain an iron atom.F) A) and B)
G) A) and D)

Question 14

In the section "Investigating Life: In (Extremely) Cold Blood",why would ice fish lose their alpha and beta globin genes through mutation?

Accepted Answer

A)  If hemoglobin was not necessary there was no selective pressure to keep mutations from accumulating.
B)  The fish wanted to stop producing red blood cells,so they mutated the globin genes.
C)  Fish with red blood cells were more visible to predators and were eaten.
D)  Mistakes in DNA replication are more likely to occur at colder temperatures.
E)  Fish living in the cold cannot obtain enough iron to make hemoglobin.F) None of the above
G) C) and D)

Question 15

In the section "Investigating Life: In (Extremely) Cold Blood",how do ice fish transport oxygen in their blood?

Accepted Answer

A)  in red blood cells
B)  in white blood cells
C)  in platelets
D)  in plasma
E)  on hemoglobinF) A) and B)
G) A) and C)

Question 16

The concentration of oxygen is decreased at high altitude.Why would this make it harder for a person to get enough oxygen into their blood?

Accepted Answer

A)  Hemoglobin cannot bind oxygen well at low concentrations.
B)  The concentration gradient from the alveoli to the blood decreases.
C)  People are working harder at high altitude and have higher demands for oxygen.
D)  The concentration of oxygen in the blood is too low for diffusion into tissues.
E)  The heart cannot obtain enough energy to pump oxygen into the blood from the alveoli.F) All of the above
G) A) and B)

Question 17

In aquatic organisms,highly folded structures that exchange gases directly with water are

Accepted Answer

A)  spicules.
B)  alveoli.
C)  tracheae.
D)  gills.
E)  spiracles.F) B) and C)
G) C) and D)

Question 18

The renal artery delivers blood to the pancreas.

Accepted Answer

A) True 
 B)False

Question 19

A clumping reaction caused by antibodies in the blood plasma is

Accepted Answer

A)  clotting.
B)  agglutination.
C)  constriction.
D)  atherosclerosis.
E)  inflammation.F) A) and E)
G) B) and E)

Question 20

The force that blood exerts on artery walls is termed

Accepted Answer

A)  venous pressure.
B)  gravitational pressure.
C)  blood pressure.
D)  osmotic pressure.
E)  pulmonary pressurE.F) B) and D)
G) C) and E)

Exam 27: The Circulatory and Respiratory Systems

A clumping reaction caused by antibodies in the blood plasma is

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The device that is used to measure a person's blood pressure is a sphygmomanometer.

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In the section "Investigating Life: In (Extremely) Cold Blood",among the ice fishes,Neopagetopsis ionah had white blood but intact alpha and beta globin genes.Why was their blood still white?

Correct AnswerverifiedShow Answer

The cellular components of blood that transport oxygen are

Correct AnswerverifiedShow Answer

In the section "Investigating Life: In (Extremely) Cold Blood",why would ice fish lose their alpha and beta globin genes through mutation?

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Blood pressure is

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In the section "Investigating Life: In (Extremely) Cold Blood",where would fish have the highest concentration of oxygen in their blood?

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When taking a person's blood pressure,after proper inflation of the cuff,the first pulse sound that is heard through the stethoscope indicates that blood is flowing through the artery past the cuff.The reading on the pressure gauge at this point indicates

Correct AnswerverifiedShow Answer

In the section "Investigating Life: In (Extremely) Cold Blood",how do ice fish transport oxygen in their blood?

Correct AnswerverifiedShow Answer

The concentration of oxygen is decreased at high altitude.Why would this make it harder for a person to get enough oxygen into their blood?

Correct AnswerverifiedShow Answer

The force that blood exerts on artery walls is termed

Correct AnswerverifiedShow Answer

Place the following terms in the correct order from which a carbon dioxide molecule in blood travels back to the heart from a muscle cell in the arm where ATP was made for the arm to lift an object.

Correct AnswerverifiedShow Answer

In aquatic organisms,highly folded structures that exchange gases directly with water are

Correct AnswerverifiedShow Answer

Why would exercise help your blood circulation in your legs?

Correct AnswerverifiedShow Answer

If a person has type O blood they have neither the A nor B markers on their red blood cells.

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The renal artery delivers blood to the pancreas.

Correct AnswerverifiedShow Answer

In the section "Investigating Life: In (Extremely) Cold Blood",what mutations occurred in ice fish that prevent production of hemoglobin?

Correct AnswerverifiedShow Answer

Emphysema is caused by destruction of the walls between alveoli,leading to hyperinflation of the lungs.Which of the following would occur in the lungs of someone with emphysema?

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The lower respiratory tract consists of

Correct AnswerverifiedShow Answer

A heart murmur is caused by

Correct AnswerverifiedShow Answer

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