BIOD 152 A P 2 Q A

Question 1

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Question 2

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Question 3

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Question 4

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BIOD 152 A & P 2 Q & A

(Latest 2023 / 2024) Portage Learning Module 2 Exam A+

This layer of the meninges is tightly attached to the brain.

Your Answer:

pia mater Pia mater (menix)

The fissure separates the cerebrum from the cerebellum.

Your Answer:

Transverse Transverse

What is the purpose of the blood-brain barrier? Describe its maintenance from a cellular level.

Your Answer:

The blood-brain barrier controls the chemical environment of the nervous system by acting as a diffuser and keeping particles from entering the brain. Astrocytes wrap around blood capillaries creating the blood-brain barrier.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.

All the following are functions of the hypothalamus except: 1 / 3

Question 5

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Question 6

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Maintain homeostasis

Controls the pituitary gland

Links the nervous and endocrine systems

Relays sensory impulses to the cerebrum

This ventricle is located anterior to the cerebellum.

Lateral

Medial

Third

Fourth

This region of the brain controls decision making skills. 2 / 3

Question 7

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Frontal lobe

Cerebellum

Occipital lobe

Temporal lobe

Primary sensory cortex

A patient is having difficulty understanding language but is still able to speak fluently.The patient’s dermatomes are intact. Which area of the brain is most likely damaged?

Broca’s area

Wernicke’s area

Occipital lobe

Parietal lobe

Primary sensory cortex

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