CVS histology

Question 1

How much fluid is normally present in the space shown?

Answer 1

25-50 ccs. the space is the pericardium. the pericardium can hold 25-50 ccs of fluid.

Question 2

What kind of fluid is normally secreted by the single layer of cell shown in this micrograph?

A. mucous

B. mucoserous

C. Serous

D. fbrinous

E. purulent

Answer 2

C. serous. The mesothelium is a thin layer of cells that normally secretes serous fluid that lubricates the movement of the epicardium on the parietal pericardium.

Question 3

The structure marked M can be described as simple epithelium because:

Answer 3

It has a single layer of cell on the basement membrane which may not be apparent in a light micrograph