Sample Questions -Cardiovascular

Question 1

1. A function of the respiratory system is to excrete oxygen and water vapour.

Answer 1

false

Question 2

. Inspired air contains 79% Nitrogen

Answer 2

true

Question 3

The pharynx can be divided into 2 main sections

Answer 3

false 3 main

Question 4

The trachea is approximately 12cm / 6” long

Answer 4

True

Question 5

. The trachea is composed of between 20 and 24 C shaped rings of Cartilage.

Answer 5

False 16-20

Question 6

ln a normal healthy person the rise in which gas acts asthe drive for respiration. a. Oxygen b. Carbon Dioxide c. Nitrogen d. Inert gasses

Answer 6

B chemoreceptors voluntary and involuntary medulla oblongate

Question 7

Which of the following is a function of respiration?

a. To extract oxygen from the atmosphere and to transfer it to the lungs
b. To excrete water vapour and carbon dioxide
c. To maintain the normal acid-base balance of the blood
d. All of the above

Answer 7

D

Question 8

Which is the odd one out?

a. pericardium
b. pleura
c. alveoli
d. trachea

Answer 8

A

Question 9

9. The term relating to the absence of breathing is..?
   a. Dyspnoea
   b. Apnoea
   c. Hypercarbia
   d. Hypoxia

Answer 9

B

Question 10

Label the following diagram

Answer 10

Question 11

List the components of inspired & expired air (including percentages / values).

Answer 11

Question 12

Describe the four main functions of respiration

Answer 12

To extract oxygen from the atmosphere and to transfer it to the lungs

b. To excrete water vapour and carbon dioxide
c. To maintain the normal acid-base balance of the blood

Ventillalte lungs