(2026) | Respondus LockDown Browser + Webcam | Verified Questions
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Due No due date Points 100 Questions 29 Time Limit 60 Minutes
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Attempt History
Attempt Time Score
LATEST Attempt 1 52 minutes 86 out of 100
Score for this quiz: 86 out of 100
Submitted Apr 3 at 5:34pm
This attempt took 52 minutes.
Question 1 pts
This is the most superficial layer of the brain meninges.
Your Answer:
Dura mater
Dura mater (menix)
Question 2 pts
1/20
,The fissure separates the right and left cerebral hemispheres.
Your Answer:
Median longitudinal
Median longitudinal
Question 3 pts
What is the purpose of the blood-brain barrier? Describe its maintenance
from a cellular level.
Your Answer:
The purpose is to diffuse and to prevent some particles from entering the
CNS tissue and allowing the brain and spinal cord seperate from general
circulation.
The maintainance of the blood-brain barrier provide a stable chemical
environment for the nervous system
The blood-brain barrier is a diffusion barrier which prevents
most particles from entering the central nervous system
tissue, keeping the brain and spinal cord separate from
general blood circulation. The blood-brain barrier is formed by
the relatively impermeable brain capillaries, due to the glial
cells astrocytes. Maintenance of the blood-brain-barrier is
important to provide a stable chemical environment for the
nervous system.
2/20
, Question 4 pts
All the following are functions of the hypothalamus except:
3/20