Question 1

The walls of the bronchioles are made up of

Accepted Answer

A)  cartilage.
B)  smooth muscle.
C)  cartilage and smooth muscle.
D)  cartilage and skeletal muscle.
E)  skeletal musclE.F) C) and E)
G) C) and D)

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Bacteria trapped in mucus in the lower respiratory tract are literally swept up and out of the lower respiratory tract by waving

Accepted Answer

A)  flagellA.
B)  pili.
C)  cilia.
D)  fimbria.
E)  lamella.F) B) and E)
G) B) and D)

Question 4

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) A) and C)
G) A) and B)

Question 5

In the section "Investigating Life: In (Extremely) Cold Blood",ice fish would have which of the following circulatory systems?

Accepted Answer

A)  closed with a two-chambered heart
B)  open
C)  closed with a single-chambered heart
D)  closed with a three-chambered heart
E)  closed with a four-chambered heartF) A) and B)
G) B) and D)

Question 6

The total surface area of the alveoli in one set of human lungs is about 50 times the surface area of the skin.

Accepted Answer

A) True 
 B)False

Question 7

The small vessels from which water and dissolved substances diffuse between the blood and interstitial fluid are

Accepted Answer

A)  arteries.
B)  veins.
C)  lymph vessels.
D)  capillaries.
E)  sieve tubes.F) A) and B)
G) B) and C)

Question 8

A dual-chamber pacemaker is surgically placed in a patient's chest.Wires then carry pulses to the right atrium and the right ventricle.Why would the pulses be carried to the right chambers of the heart and not the left chambers?

Accepted Answer

A)  The left chambers are reduced or absent in many subadults.
B)  The right chambers of the heart are weaker and need more stimulation.
C)  Only the right chambers of the heart need to contract to move blood to the lungs.
D)  It is easier to run the wires from the pacemaker through the vena cava.
E)  Once the right chambers are activated the pulse will be carried to the left chambers.F) A) and E)
G) B) and E) E

Question 9

In a closed circulatory system,the heart pumps fluid through open-ended vessels into spaces where the fluid bathes the body's cells.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following veins does not deliver deoxygenated blood to the heart?

Accepted Answer

A)  femoral vein
B)  jugular vein
C)  superior vena cava
D)  inferior vena cava
E)  pulmonary veinF) A) and E)
G) C) and E)

Question 11

Which of the following is a trend observed in the evolution of respiratory surfaces and lungs in vertebrates?

Accepted Answer

A)  increased size
B)  the presence of capillaries
C)  increased surface area
D)  gain in the ability to absorb oxygen across the skin
E)  ability to move air into the lungsF) A) and B)
G) C) and D)

Question 12

If a person has type O blood they have both the A and B markers on their red blood cells.

Accepted Answer

A) True 
 B)False

Question 13

Blood

Accepted Answer

A)  is a liquid connective tissue.
B)  delivers food to the cells of the body.
C)  delivers oxygen to the cells of the body.
D)  helps remove wastes from the body.
E)  All answers are correct.F) A) and E)
G) B) and E) E

Question 14

The major vein returning blood to the heart from all areas below the diaphragm is the

Accepted Answer

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

Question 15

If blood pressure is too low,the brain __________ heart rate and causes blood vessels to _________.

Accepted Answer

A)  increases;dilate
B)  decreases;dilate
C)  increases;constrict
D)  decreases;constrict
E)  increases;ruptureF) C) and D)
G) B) and D) C

Question 16

The major vein receiving blood draining from all areas above the diaphragm is the

Accepted Answer

A)  femoral vein.
B)  superior vena cava.
C)  pulmonary vein.
D)  inferior vena cava.
E)  jugular vein.F) C) and D)
G) A) and C)

Question 17

Why would this chamber become enlarged in a person with atherosclerosis?

Accepted Answer

A)  It pumps blood through narrowed arteries to the brain.
B)  It pumps blood through narrowed arteries throughout the body.
C)  It pumps blood through narrowed arteries to the lungs.
D)  It pumps blood through narrowed coronary arteries.
E)  It pumps blood through narrowed valves into the ventricles.F) All of the above
G) A) and E)

Question 18

Which of the following would you expect to observe in a person with atherosclerosis?

Accepted Answer

A)  increased blood pressure
B)  decreased heart rate
C)  increased depolarization of the atria
D)  decreased depolarization of the ventricles
E)  increased blood flow through the coronary arteriesF) A) and B)
G) A) and C)

Question 19

In which of the following organisms does oxygenated blood leave the heart?

Accepted Answer

A)  fishes only
B)  mammals only
C)  birds only
D)  all vertebrates
E)  birds and mammals onlyF) D) and E)
G) B) and E)

Question 20

Medicine is taken to relieve pain.In which of the following systems will the medicine reach the site the fastest?

Accepted Answer

A)  open circulatory system
B)  closed circulatory system
C)  no muscular system
D)  incomplete digestive system
E)  complete digestive systemF) A) and D)
G) A) and C)

Exam 27: The Circulatory and Respiratory Systems

The walls of the bronchioles are made up of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Bacteria trapped in mucus in the lower respiratory tract are literally swept up and out of the lower respiratory tract by waving

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In the section "Investigating Life: In (Extremely) Cold Blood",ice fish would have which of the following circulatory systems?

Correct AnswerverifiedShow Answer

The total surface area of the alveoli in one set of human lungs is about 50 times the surface area of the skin.

Correct AnswerverifiedShow Answer

The small vessels from which water and dissolved substances diffuse between the blood and interstitial fluid are

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.Why would the pulses be carried to the right chambers of the heart and not the left chambers?

Correct AnswerverifiedE

In a closed circulatory system,the heart pumps fluid through open-ended vessels into spaces where the fluid bathes the body's cells.

Correct AnswerverifiedShow Answer

Which of the following veins does not deliver deoxygenated blood to the heart?

Correct AnswerverifiedShow Answer

Which of the following is a trend observed in the evolution of respiratory surfaces and lungs in vertebrates?

Correct AnswerverifiedShow Answer

If a person has type O blood they have both the A and B markers on their red blood cells.

Correct AnswerverifiedShow Answer

Blood

Correct AnswerverifiedE

The major vein returning blood to the heart from all areas below the diaphragm is the

Correct AnswerverifiedShow Answer

If blood pressure is too low,the brain __________ heart rate and causes blood vessels to _________.

Correct AnswerverifiedC

The major vein receiving blood draining from all areas above the diaphragm is the

Correct AnswerverifiedShow Answer

Why would this chamber become enlarged in a person with atherosclerosis?

Correct AnswerverifiedShow Answer

Which of the following would you expect to observe in a person with atherosclerosis?

Correct AnswerverifiedShow Answer

In which of the following organisms does oxygenated blood leave the heart?

Correct AnswerverifiedShow Answer

Medicine is taken to relieve pain.In which of the following systems will the medicine reach the site the fastest?

Correct AnswerverifiedShow Answer

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E

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E

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If blood pressure is too low,the brain __ heart rate and causes blood vessels to _.

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C

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