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Portage Learning Anatomy & Physiology 2: Module 2 Exam: Qs And As
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Portage Learning Anatomy & Physiology 2: Module 2 Exam: Qs And As
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Portage Learning Anatomy & Physiology 2:Module 2 Exam: Qs And As
This layer of the meninges is tightly attached to the brain. Correct Ans -
Pia mater (menix)
The _______ fissure separates the right and left cerebral hemispheres.
Correct Ans - Median longitudinal
What is the purpose of the blood-brain barrier? Describe its maintenance
from a cellular level. Correct Ans - 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: Correct Ans -
A. Maintain homeostasis
B. Controls the pituitary gland
C. Links the nervous and endocrine systems
D. Correct! Relays sensory impulses to the cerebrum
What is the largest portion of the brain? Correct Ans - A. Cerebellum
B. Correct! Cerebrum
C. Corpus collosum
D. Cingulate gyrus
This region of the brain acts to coordinate multiple sources of sensory
information. Correct Ans - A. Primary sensory cortex
B. Primary motor cortex
C. Correct! Association area
D. Precentral gyrus
E. Postcentral gyrus
, 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? Correct Ans - A. Broca's area
B. Correct! Wernicke's area
C. Occipital lobe
D. Parietal lobe
E. Primary sensory cortex
Describe how memories are stored and retrieved in the brain. Include a
specific brain region. Correct Ans - Memories are not stored in one
specific area within the brain but instead are stored throughout the cerebral
hemispheres. The hippocampus acts as a memory center to help with memory
storage and retrieval. The involvement of the limbic system explains why
emotionally charged events result in our most vivid memories.
Which statement is false concerning the brainstem? Correct Ans - A.
Correct! The midbrain portion of the brainstem is continuous with the spinal
cord.
B. The pons helps to regulate breathing.
C. The midbrain contains the superior and inferior colliculi.
D. The medulla contains reflex centers to regulate vasoconstriction.
Which of the following is false concerning the cerebellum? Correct Ans -
A. The gray matter is external while the white mater is internal.
B. Correct! The cerebellar peduncles are located posteriorly.
C. The anterior lobe receives information from the body trunk.
D. The vermis coordinates arm movements.
Alzheimer's disease impacts which region(s) of the brain? Correct Ans -
A. Occipital lobe
B. Frontal lobe
C. Parietal lobe
D. Hippocampus
E. Correct! All the above
Which of the following is false concerning a CVA? Correct Ans - A.
Correct! An ischemic stroke is also known as a "brain bleed".
B. A TIA is a form of an ischemic stroke.
C. Stroke survivors may regain some lost functions through therapy.
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