1. This layer of the meninges is tightly at- Pia mater (menix)
tached to the brain.
2. The fissure separates the right Median longitudinal
and left cerebral hemispheres.
3. What is the purpose of the blood-brain The blood-brain barrier is a diffu-
barrier? Describe its maintenance from sion barrier which prevents most
a cellular level. particles from entering the cen-
tral nervous system tissue, keep-
ing the brain and spinal cord sep-
arate from general blood circu-
lation. The blood-brain barrier is
formed by the relatively imper-
meable brain capillaries, due to
the glial cells astrocytes. Main-
tenance of the blood-brain-barri-
er is important to provide a sta-
ble chemical environment for the
nervous system.
4. All the following are functions of the hy- A. Maintain homeostasis
pothalamus except: B. Controls the pituitary gland
C. Links the nervous and en-
docrine systems
D. Correct! Relays sensory im-
pulses to the cerebrum
5. What is the largest portion of the brain? A. Cerebellum
B. Correct! Cerebrum
C. Corpus collosum
D. Cingulate gyrus
6. This region of the brain acts to coordi- A. Primary sensory cortex
nate multiple sources of sensory infor- B. Primary motor cortex
mation. C. Correct! Association area
D. Precentral gyrus
E. Postcentral gyrus
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, Portage Learning Anatomy & Physiology 2: Module 2 Exam
7. A patient is having difficulty understand- A. Broca's area
ing language but is still able to speak B. Correct! Wernicke's area
fluently. The patient's dermatomes are in- C. Occipital lobe
tact. Which area of the brain is most like- D. Parietal lobe
ly damaged? E. Primary sensory cortex
8. Describe how memories are stored and Memories are not stored in one
retrieved in the brain. Include a specific specific area within the brain but
brain region. instead are stored throughout
the cerebral hemispheres. The
hippocampus acts as a memory
center to help with memory stor-
age and retrieval. The involve-
ment of the limbic system ex-
plains why emotionally charged
events result in our most vivid
memories.
9. Which statement is false concerning the A. Correct! The midbrain portion
brainstem? of the brainstem is continuous
with the spinal cord.
B. The pons helps to regulate
breathing.
C. The midbrain contains the su-
perior and inferior colliculi.
D. The medulla contains reflex
centers to regulate vasoconstric-
tion.
10. Which of the following is false concern- A. The gray matter is external
ing the cerebellum? while the white mater is internal.
B. Correct! The cerebellar pe-
duncles are located posteriorly.
C. The anterior lobe receives in-
formation from the body trunk.
D. The vermis coordinates arm
movements.
11. Alzheimer's disease impacts which re- A. Occipital lobe
gion(s) of the brain? B. Frontal lobe
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