General Principles of Pathophysiology

Question 1

Which of the following structures is NOT part of the respiratory system?

A. The epiglottis
B. The pharynx
C. The esophagus
D. The larynx

Answer 1

C. The esophagus

Question 2

At the end of the bronchioles are thousands of tiny air sacs known as:

A. alveoli
B. bronchi
C. pleurae
D. capillaries

Answer 2

A. Alveoli

Question 3

A thin layer of connective tissue covers the outer surface of the lungs. This is called the:

A. inferior pleura
B. parietal pleura
C. interpleural space
D. visceral pleura

Answer 3

D. Visceral Pleura

The visceral pleura cover the outer layer of the lungs

Question 4

The upper chambers of the heart are called the:

A. myocardium
B. aorta
C. ventricles
D. atria

Answer 4

D. Atria

Question 5

To cause the heart to contract, an electrical impulse must travel through the following route:

A. the SA node, the AV node, the Purkinje fibers, the bundle of His
B. the SA node, the AV node, the bundle of His, and the Purkinje fibers
C. the AV node, the SA node, the bundle of His, and the Purkinje fibers
D. The AV node, the SA node, the Purkinje fibers, and the bundle of His

Answer 5

B. The SA node, the AV node, the bundle of His, and the Purkinje fibers