Ch2

Question 1

1 The left side of the heart as a low pressure pump

Answer 1

B false

Question 2

2 The major blood vessel that receives blood from the head and never extremities and transported to the heart is the:

Answer 2

B superior vena cava

Question 3

3 The course of blood flow through the heart and lungs is referred to as __ circulation.

Answer 3

B Pulmonary (Circulation)

Question 4

4 Cardiac output is a factor of which of the following elements?

Answer 4

D Both A and B

Cardiac rate
Stroke volume

Question 5

5 The chief chemical neurotransmitter for the parasympathetic nervous system is:

Answer 5

A Acetylcholine

Question 6

6 It is important to note that led vessels are innervated only by the __ nervous system.

Question 7

7. The chief chemical neurotransmitter for the sympathetic nervous system is:

Answer 7

B Norepinephrine

Question 8

8 Unoxygenated blood flows from the inferior in spirit. Vena cava into the:

Answer 8

A. Left atrium

Question 9

9 When cardiac cycle occurs every __ seconds.

Answer 9

A. 0.8

Question 10

10 With the exception of __, all the body’s blood vessels have beta-adrenergic receptors.

Question 11

11 Blood vessels from the left atrium through the __ valve and into the left ventricle.

Answer 11

D tricuspid

Question 12

12 Blood travels from the right atrium through the __ valve and into the right ventricle.

Answer 12

C Mitral

Question 13

13 Starlings law of the heart is all her to as:

Answer 13

C The rubber band theory

Question 14

14 Stroke volume is estimated at approximately __ mL per beat.

Question 15

15 The __ nervous system is responsible for preparation of the body for physical activity (fight or flight).

Answer 15

B parasympathetic