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Respiratory System Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the main breathing regulatory mechanism?

a)

Chemical regulation

b)

Nervous regulation

c)

Biological regulation

d)

Physical regulation

2.

Which blood gas excites central chemoreceptors?

a)

Carbon Dioxide

b)

Oxygen

c)

Argon

d)

Nitrogen

3.

What is the main stimulus for respiration?

a)

Oxygen tension

b)

Carbon Dioxide tension

c)

Nitrogen tension

d)

Argon tension

4.

Which area of the brain affects breathing during emotions?

a)

Cortical motor areas

b)

Limbic system

c)

Cerebellum

d)

Hypothalamus

5.

What reflex leads to stoppage of inspiration and initiation of expiration?

a)

Hering Breuer inflation reflex

b)

Sneezing reflex

c)

Cough reflex

d)

Alam-Smirk reflex

6.

Which reflex leads to stoppage of expiration and initiation of inspiration?

a)

Alam-Smirk reflex

b)

Hering Breuer inflation reflex

c)

Cough reflex

d)

Sneezing reflex

7.

What reflex causes deep inspiration followed by forced expiration?

a)

Sneezing reflex

b)

Cough reflex

c)

Alam-Smirk reflex

d)

Hering Breuer inflation reflex

8.

Which reflex causes deep inspiration followed by strong expiration?

a)

Hering Breuer inflation reflex

b)

Sneezing reflex

c)

Cough reflex

d)

Alam-Smirk reflex

9.

What is the reflex increase of respiratory rate due to increase in venous return called?

a)

Stretch Reflex

b)

Chemoreceptor Reflex

c)

Baroreceptor Reflex

d)

Harrison's Reflex

10.

Which receptors send excitatory impulses to the respiratory centers?

a)

Baroreceptors

b)

Stretch receptors

c)

Chemoreceptors

d)

Irritant receptors

11.

What reflex leads to hyperpnea and tachycardia due to muscular activity?

a)

Alam-Smirk reflex

b)

Sneezing reflex

c)

Cough reflex

d)

Hering Breuer inflation reflex

12.

What reflex causes apnea for 2-3 seconds during swallowing?

a)

Hering Breuer inflation reflex

b)

Sneezing reflex

c)

Cough reflex

d)

Swallowing reflex

13.

Which area is located at the pharynx and initiates inhibitory signals to the respiratory center during swallowing?

a)

Cortical motor areas

b)

Limbic system

c)

Hypothalamus

d)

Swallowing receptor area

14.

What is the main stimulus for respiration?

a)

Nitrogen tension

b)

Argon tension

c)

Carbon Dioxide tension

d)

Oxygen tension

15.

Which blood gas excites central chemoreceptors?

a)

Nitrogen

b)

Carbon Dioxide

c)

Argon

d)

Oxygen