Support Cells And Protection Systems

Question 1

Where are ependymal cells located?

Answer 1

These coat choroid plexus and ventricles of the brain

Question 2

Schwann cells are capable of phagocytic activity. (T/F?)

Answer 2

TRUE

Question 3

What is the [glucose] and [protein] in CSF compared to plasma?

Answer 3

CSF has lower concentrations of both glucose and proteins. The protein concentration is generally very low, so if there are proteins present this generally indicates a problem.

Question 4

What are the [Na] and [Cl] in CSF compared to plasma?

Answer 4

CSF has higher concentrations of both Na and Cl.

Question 5

What are the [Ca] and [K] in CSF compared to plasma?

Answer 5

CSF has lower concentrations of both K and Ca compared to plasma.

Question 6

The spinal cord is shorter than the spinal canal. (T/F?)

Answer 6

TRUE- this means that the nerves have to travel a bit to find their foramina to exit.