Chapter 14

Question 1

What vessels are the resistance vessels

Answer 1

Arterioles

Question 2

What is the relationship of pressure, flow and resistance

Answer 2

Q (Flow) = P(Pressure)/R (Resistance

Question 3

Where is blood pressure the lowest

Answer 3

Vena cava

Question 4

What organs receive 100% of the cardiac output

Answer 4

Heart and lungs

Question 5

What variable has the greatest affect on resistance

Answer 5

Radius

Question 6

What is the formula for mean arterial pressure (MAP)

Answer 6

1/3 SBP + 2/3 DBP

Question 7

What hormone is released, and what type of receptor is it bound to, that causes vasoconstriction

Answer 7

Epinephrine on to alpha receptors

Question 8

Where does gas and nutrient exchange occur

Answer 8

Capillaries

Question 9

Which vessels are volume reservoirs

Answer 9

Veins

Question 10

What is venous return

Answer 10

The amount of blood returning to the right atrium

Question 11

What are two pumps that facilitate returning blood to the heart

Answer 11

Respiratory pump

Muscle pump

Question 12

Where are the high pressure baroreceptors located?

Answer 12

Aortic arch

Carotid sinus

Question 13

What do baroreceptors sense

Answer 13

Stretch