Question 1

Emphysema is caused by destruction of the walls between alveoli,leading to hyperinflation of the lungs.In the lungs of a person with emphysema,there will be decreased

Accepted Answer

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

Question 2

At the capillaries,________ leaves red blood cells and ________ enters the circulation.

Accepted Answer

A)   nitrogen; oxygen
B)   carbon dioxide; oxygen
C)   carbon dioxide; nitrogen
D)   oxygen; carbon dioxide
E)   sodium; oxygenF) None of the above
G) D) and E)

Question 3

If you exercised more and more intensely over two months,your resting heart rate would decrease.

Accepted Answer

A) True 
 B)False

Question 4

A dual-chamber pacemaker is surgically placed in a patient's chest.Wires then carry pulses to the right atrium and the right ventricle.How would the pulses be directed from the pacemaker to the heart?

Accepted Answer

A)   Only the ventricle would be stimulated.
B)   The ventricle would be stimulated first and then the atrium.
C)   Both the atrium and ventricle would be stimulated simultaneously.
D)   Only the atrium would be stimulated.
E)   The atrium would be stimulated first and then the ventricle.F) B) and E)
G) A) and B)

Question 5

A clumping reaction caused by antibodies in the blood plasma is

Accepted Answer

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

Question 6

The upper chambers of the mammalian heart are the

Accepted Answer

A)   ventricles.
B)   arteries.
C)   vascular cavities.
D)   atria.
E)   sinuses.F) A) and B)
G) D) and E)

Question 7

The smooth muscle of the diaphragm expands the lungs and the skeletal muscle of the lungs regulates airflow to the alveoli.

Accepted Answer

A) True 
 B)False

Question 8

A person has a blood type of A.They could receive a whole blood transfusion from which donors?

Accepted Answer

A)   A only
B)   O only
C)   B only
D)   either A or O
E)   either B or OF) C) and E)
G) A) and C)

Question 9

The walls of the right ventricle are thicker than those of the left ventricle.

Accepted Answer

A) True 
 B)False

Question 10

If you wanted to change airflow to alveoli,what tissue would you need to target?

Accepted Answer

A)   connective
B)   nonvascular
C)   muscle
D)   nervous
E)   vascularF) A) and E)
G) A) and D)

Question 11

What drives the movement of carbon dioxide from tissue into the bloodstream?

Accepted Answer

A)   active transport against a concentration gradient
B)   facilitated diffusion down a concentration gradient
C)   diffusion down a concentration gradient
D)   facilitated diffusion against a concentration gradient
E)   the heart pumping the carbon dioxide into the bloodstreamF) All of the above
G) B) and C)

Question 12

If you exercised more and more intensely over two months,your heart would be able to pump out more and more blood with each stroke.

Accepted Answer

A) True 
 B)False

Question 13

You are a medical student on rounds with your instructor,and you are told to help measure blood pressure,so you hand the instructor a(n)

Accepted Answer

A)   barometer and stethoscope.
B)   stethoscope and sphygmomanometer.
C)   barometer and sphygmomanometer.
D)   hygrometer and sphygmomanometer.
E)   hygrometer and barometer.F) All of the above
G) D) and E)

Question 14

In cystic fibrosis,a thick dry mucus builds up in the alveoli.Which would you expect to occur in these patients?

Accepted Answer

A)   decreased rate of respiration
B)   increased diffusion of carbon dioxide into capillaries from the alveoli
C)   decreased blood flow to the alveoli
D)   increased blood flow to the alveoli
E)   decreased diffusion of oxygen into capillaries from the alveoliF) B) and E)
G) A) and E)

Question 15

If blood pressure is too high,the brain ________ heart rate and causes blood vessels to ________.

Accepted Answer

A)   increases; dilate
B)   increases; constrict
C)   decreases; constrict
D)   decreases; dilate
E)   increases; ruptureF) None of the above
G) A) and E)

Question 16

In mammals,a muscular ________ expands the chest,pulling air into the lungs.

Accepted Answer

A)   chest cavity
B)   rib cage
C)   trachea
D)   diaphragm
E)   sternumF) C) and D)
G) B) and C)

Question 17

In the pulmonary circulation,________ is expelled from the blood and ________ is picked up.

Accepted Answer

A)   nitrogen; oxygen
B)   oxygen; carbon dioxide
C)   oxygen; nitrogen
D)   carbon dioxide; nitrogen
E)   carbon dioxide; oxygenF) None of the above
G) B) and E)

Question 18

If asked to label a large blood vessel found mostly below the diaphragm,you would label it as the

Accepted Answer

A)   brachial artery.
B)   pulmonary vein.
C)   inferior vena cava.
D)   superior vena cava.
E)   jugular vein.F) B) and E)
G) None of the above

Question 19

The upper respiratory tract is composed of

Accepted Answer

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

Question 20

The most important signal that the brain uses to set the breathing rate is the level of blood

Accepted Answer

A)   nitrogen.
B)   oxygen.
C)   carbon dioxide.
D)   sulfur.
E)   hemoglobin.F) B) and E)
G) A) and B)

Exam 27: The Circulatory and Respiratory Systems

The smooth muscle of the diaphragm expands the lungs and the skeletal muscle of the lungs regulates airflow to the alveoli.

Correct AnswerverifiedShow Answer

If blood pressure is too high,the brain ________ heart rate and causes blood vessels to ________.

Correct AnswerverifiedShow Answer

In the pulmonary circulation,________ is expelled from the blood and ________ is picked up.

Correct AnswerverifiedShow Answer

At the capillaries,________ leaves red blood cells and ________ enters the circulation.

Correct AnswerverifiedShow Answer

If asked to label a large blood vessel found mostly below the diaphragm,you would label it as the

Correct AnswerverifiedShow Answer

In mammals,a muscular ________ expands the chest,pulling air into the lungs.

Correct AnswerverifiedShow Answer

The walls of the right ventricle are thicker than those of the left ventricle.

Correct AnswerverifiedShow Answer

The upper respiratory tract is composed of

Correct AnswerverifiedShow Answer

You are a medical student on rounds with your instructor,and you are told to help measure blood pressure,so you hand the instructor a(n)

Correct AnswerverifiedShow Answer

A person has a blood type of A.They could receive a whole blood transfusion from which donors?

Correct AnswerverifiedShow Answer

A dual-chamber pacemaker is surgically placed in a patient's chest.Wires then carry pulses to the right atrium and the right ventricle.How would the pulses be directed from the pacemaker to the heart?

Correct AnswerverifiedShow Answer

If you exercised more and more intensely over two months,your resting heart rate would decrease.

Correct AnswerverifiedShow Answer

If you wanted to change airflow to alveoli,what tissue would you need to target?

Correct AnswerverifiedShow Answer

If you exercised more and more intensely over two months,your heart would be able to pump out more and more blood with each stroke.

Correct AnswerverifiedShow Answer

The upper chambers of the mammalian heart are the

Correct AnswerverifiedShow Answer

A clumping reaction caused by antibodies in the blood plasma is

Correct AnswerverifiedShow Answer

What drives the movement of carbon dioxide from tissue into the bloodstream?

Correct AnswerverifiedShow Answer

The most important signal that the brain uses to set the breathing rate is the level of blood

Correct AnswerverifiedShow Answer

In cystic fibrosis,a thick dry mucus builds up in the alveoli.Which would you expect to occur in these patients?

Correct AnswerverifiedShow Answer

Emphysema is caused by destruction of the walls between alveoli,leading to hyperinflation of the lungs.In the lungs of a person with emphysema,there will be decreased

Correct AnswerverifiedShow Answer

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If blood pressure is too high,the brain heart rate and causes blood vessels to .

Correct Answer
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In the pulmonary circulation, is expelled from the blood and is picked up.

Correct Answer
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At the capillaries, leaves red blood cells and enters the circulation.

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