Lab 53

Question 1

Respiratory areas of the brain include all of the following except the

Answer 1

Pineal Gland

Question 2

Breathing rate increases as blood concentrations of

Answer 2

Carbon dioxide decreases

Question 3

Which of the following muscles is not involved in forced expiration

Answer 3

Sternocleidomastoid

Question 4

Peripheral chemoreceptors sensitive to low blood oxygen levels are located in the

Answer 4

Aortic arch and carotid arteries

Question 5

Normal Blood PH is

Answer 5

7.35-7.45

Question 6

An increase in the duration of inspirations is the normal response from the inflation reflex

Answer 6

False

Question 7

The ventral respiratory group of the brainstem respiratory centers is involved with the stimulation of the contractions of the diaphragm

Answer 7

true

Question 8

The respiratory areas are widely scattered throughout the pons and ___ of the brainstem.

Answer 8

medulla oblongata

Question 9

Central chemoreceptors are senstive to changes in the blood concentrations of hydrogen ions and

Answer 9

Carbon dioxide

Question 10

As the blood concentration of carbon dioxide increases the breathing rate

Answer 10

Increases

Question 11

As a result of increased breathing the blood concentration of carbon dioxide is ___

Answer 11

Reduced

Question 12

Peripheal chemoreceptors include aortic bodies and the

Answer 12

Carotid bodies

Question 13

The principle muscles of forced expiration are the ___

Answer 13

Internal intercostals

Question 14

The principal muscles of inspiration are the ___ and the external intercostals

Answer 14

Diaphragm