BIOD 152 module 2 Exam Questions With Answers

BIOD 152 module 2 Exam Questions With Answers 2024-2025

Question 1
This is the most superficial layer of the brain meninges.

Dura mater (menix)



Question 2
Not yet graded / 3 pts
The fissure separates the cerebrum from the cerebellum.Your Answer:
transverse


Transverse



Question 3
Not yet graded / 4 pts
What is the purpose of the blood-brain barrier? Describe itsmaintenance from a cellular
level.
Your Answer:
The blood brain barrier is a diffusion barrier that prevents particlesfrom the general blood stream from
entering the central nervous system circulation. It is maintained by glial cells called astrocytes, which
make the capillaries around the CNS largely impermeable. The blood brain barrier creates a stable
chemical environment for the brain and spinal cord.


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




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, BIOD 152 module 2 Exam Questions With Answers 2024-2025

is important to provide a stable chemical environment for thenervous system.



Question 4
pts
All the following are functions of the hypothalamus except:
Regulates sleep



Links the nervous and endocrine systems




Correct!
Filters out unimportant sensory information



Regulates water balance




Question 5
pts
This ventricle is located anterior to the cerebellum.

Lateral



Medial




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, BIOD 152 module 2 Exam Questions With Answers 2024-2025

Third




Correct!
Fourth




Question 6
pts
This region of the brain acts to coordinate multiple sources ofsensory information.
Primary sensory cortex



Primary motor cortex




Correct!
Association area



Precentral gyrus



Postcentral gyrus




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