Cardiovascular System

Question 1

Serous pericardium can be described as which of the following?

A) Achors to diaphragm and great vessels
B) 2 continuous layers separated by a cavity
C) Forms a thick middle layer between the outer epicardium layer and the inner endocardium layer

Answer 1

B) 2 continuous layers separated by a cavity

Question 2

Myocardium- forms a thick middle layer between which of the following?

A) The inner epicardium layer and the outer endocardium layer
B) The outer epicardium layer and the inner pericardium layer
C) The outer epicardium layer and the inner endocardium layer

Answer 2

C) The outer epicardium layer and the inner endocardium layer

Question 3

Which description below best describes pulmonary circulation?

A) Atrium receives de-oxygenated blood from systemic and coronary circulation
B) Atrium receives oxygenated blood from pulmonary circulation
C) Blood passes to ventricle before being sent to the body and the heart

Answer 3

A) Atrium receives de-oxygenated blood from systemic and coronary circulation

Question 4

The right atrium and ventricle are separated by which of the following?

A) Bicuspid valve
B) Tricuspid atrioventricular valve
C) Semilunar valve

Answer 4

B) Tricuspid atrioventricular valve

Question 5

Endocarditis can be described as which of the following?

A) Transposition of the great vessels
B) Inflammation usually involving the valves and or the chordae tendinae.
C) Septal defects

Answer 5

B) Inflammation usually involving the valves and or the chordae tendinae.

Question 6

The tunica media (media) of arteries can be described as which of the following?

A) Endothelial cells (flat)
B) Rings of smooth muscle cells, elastic and collagen fibres
C) Protects vessel, further strengthens walls, anchors vessel to surrounding structures

Answer 6

B) Rings of smooth muscle cells, elastic and collagen fibres

Question 7

Which of the following applies to sinusoids?

A) Wider lumen, more winding vessels, large fenestrations
B) Continuous basement membrane.
C) Cells tightly linked together with intercellular clefts.

Answer 7

A) Wider lumen, more winding vessels, large fenestrations

Question 8

Veins contain valves.

True or False?

Answer 8

TRUE