Question 1

Marjorie suffers from phlebitis. She has

Accepted Answer

A)   inflammation of her veins.
B)   too much phlegm in her throat.
C)   extra capillaries in her legs.
D)   inflammation of her arteries.E) All of the above
F) B) and C)

Question 2

The heart pumps about ____ liters of blood a day and contracts about _____ times in a lifetime.

Accepted Answer

A)   1,000 liters; 1 billion
B)   1,200 liters; 2 billion
C)   3,000 liters; 2 billion
D)   7,000 liters; 2.5 billionE) None of the above
F) A) and B)

Question 3

Which of the following helps return blood to the heart?

Accepted Answer

A)   Positive intrathoracic pressure
B)   Valves in the arteries
C)   Contracting skeletal muscles
D)   Capillary actionE) All of the above
F) B) and C)

Question 4

Angiotensin II increases blood pressure by

Accepted Answer

A)   increasing peripheral resistance.
B)   releasing renin.
C)   inhibiting the release of aldosterone.
D)   promoting the excretion of sodium.E) B) and D)
F) None of the above

Question 5

Which of the following is true about the heart?

Accepted Answer

A)   The apex end points downward at about the 5th intercostal space.
B)   The heart is located lateral to the lungs.
C)   The average adult heart is about 8 cm long and 5 cm wide.
D)   The base of the heart lies beneath the fourth rib.E) None of the above
F) A) and D)

Question 6

The coronary sinus drains blood from the wall of the heart into the left atrium.

Accepted Answer

A) True 
 B)False

Question 7

A person warming up after being cold feels a warm rush as blood flows quickly to the peripheral appendages. Nitric oxide is important in this situation because it

Accepted Answer

A)   raises blood pressure.
B)   raises blood temperature.
C)   relaxes the smooth muscle in the blood vessel wall.
D)   enhances gas exchange.E) A) and B)
F) All of the above

Question 8

Because net inward pressure in the venular ends of capillaries is less than net outward pressure in the arteriolar ends of capillaries,

Accepted Answer

A)   more fluid flows into the capillaries than moves out.
B)   the lymphatic vessels push fluid into the capillaries.
C)   the pressure in the venules increases.
D)   more fluid leaves the capillaries than returns.E) All of the above
F) A) and B)

Question 9

Factors that increase heart rate and blood pressure include

Accepted Answer

A)   emotional responses.
B)   exercise.
C)   increase in body temperature.
D)   all of the above.E) B) and C)
F) All of the above

Exam 15: Cardiovascular System

Which of the following is true about the heart?

Correct Answer
verified

The coronary sinus drains blood from the wall of the heart into the left atrium.

Correct Answer
verified

Angiotensin II increases blood pressure by

Correct Answer
verified

Which of the following helps return blood to the heart?

Correct Answer
verified

Marjorie suffers from phlebitis. She has

Correct Answer
verified

The heart pumps about liters of blood a day and contracts about _ times in a lifetime.

Correct Answer
verified

A person warming up after being cold feels a warm rush as blood flows quickly to the peripheral appendages. Nitric oxide is important in this situation because it

Correct Answer
verified

Because net inward pressure in the venular ends of capillaries is less than net outward pressure in the arteriolar ends of capillaries,

Correct Answer
verified

Factors that increase heart rate and blood pressure include

Correct Answer
verified

Exam 15: Cardiovascular System

Which of the following is true about the heart?

Correct AnswerverifiedShow Answer

The coronary sinus drains blood from the wall of the heart into the left atrium.

Correct AnswerverifiedShow Answer

Angiotensin II increases blood pressure by

Correct AnswerverifiedShow Answer

Which of the following helps return blood to the heart?

Correct AnswerverifiedShow Answer

Marjorie suffers from phlebitis. She has

Correct AnswerverifiedShow Answer

The heart pumps about ____ liters of blood a day and contracts about _____ times in a lifetime.

Correct AnswerverifiedShow Answer

A person warming up after being cold feels a warm rush as blood flows quickly to the peripheral appendages. Nitric oxide is important in this situation because it

Correct AnswerverifiedShow Answer

Because net inward pressure in the venular ends of capillaries is less than net outward pressure in the arteriolar ends of capillaries,

Correct AnswerverifiedShow Answer

Factors that increase heart rate and blood pressure include

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The heart pumps about liters of blood a day and contracts about _ times in a lifetime.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified