Questions Ch 5-8

Question 1

The vagus nerve when stimulated releases

Answer 1

Acetylcholine

Question 2

Feelings of a skipped or extra beats are

Answer 2

Premature ventricular contraction

Question 3

An electrocardiograph is a

Answer 3

Recording of the hearts electrical

Question 4

Under normal resting conditions almost 1/2 of blood is stored or flows to

Answer 4

Liver and kidneys

Question 5

Total blood volume in a typical adult is approximately

Answer 5

5 L

Question 6

Primary muscles normally responsible for inspiration

Answer 6

External intercostals and diaphragm

Question 7

The amount of air remaining in the lungs after maximal expiration

Answer 7

Residual volume

Question 8

Approximately what percentage of carbon dioxide is transported by blood as bicarbonate ion

Answer 8

60 to 70%

Question 9

True or false normal atmospheric air is nearly 21%

Answer 9

True

Question 10

Holding breath against glottis

Answer 10

Valsalva maneuver

Question 11

From the left atrium the blood passes what valve to get to the left ventricle

Answer 11

Mitral valve