Pathology

Question 1

What are the three layers of the heart?

Answer 1

Endocardium, myocardium, and epicardium

Question 2

What type of muscle is found in the heart, striated or smooth?

Answer 2

Striated

Question 3

(T/F) The fibers of muscle of the heart are non-branching.

Answer 3

F

Question 4

How many nuclei will you find in a single muscle cell in the heart?

Answer 4

One

Question 5

(T/F) For a cardiac muscle cell, you will always find the nucleus at the center of the cell.

Answer 5

True

Question 6

What are the three layers of vessel walls and are they outer, middle, or inner?

Answer 6

Tunica adventitia - outer layer, tunica media - middle layer, tunica intima - inner layer

Question 7

What separates the tunica intima from the tunica media as well as the tunica adventitia from the tunica media?

Answer 7

Elastic membranes

Question 8

What type of tissue is found in the tunica media?

Answer 8

Muscle

Question 9

Which layer of vessel walls is associated with the endothelium?

Answer 9

Tunica intima

Question 10

What is the primary process occurring in the damaged heart muscle 24-72 hours post an infarction of the heart?

Answer 10

Inflammation

Question 11

The cells circled in red in the above image are typically seen in cardiac muscle 10-21 days post infarction. Identify the cells.

Answer 11

Fibroblasts

Question 12

What type of tissue do fibroblasts create in repair of cardiac muscle?

Answer 12

Fibrous tissue