BIOD 152 Module 2 Study Guide Exam Questions And Actual Answers.
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Course
BIOD 152
Institution
BIOD 152
This is the most superficial layer of the brain meninges - Answer Dura Mater (Menix)
This layer of the meninges is tightly attached to the brain. - Answer Pia mater (Menix)
The _______ fissure separates the right and left cerebral hemispheres. - Answer median
The ______ fissure se...
BIOD 152 Module 2 Study Guide Exam
Questions And Actual Answers.
This is the most superficial layer of the brain meninges - Answer Dura Mater (Menix)
This layer of the meninges is tightly attached to the brain. - Answer Pia mater (Menix)
The _______ fissure separates the right and left cerebral hemispheres. - Answer median
The ______ fissure separates the cerebrum from the cerebellum. - Answer Transverse
Describe the function of the brain ventricles. - Answer There are four ventricles in the interior of the
brain, chambers filled with cerebrospinal fluid which is produced there. Once formed the CSF circulates
through the ventricles and into the subarachnoid space bathing and floating the brain.
What is the purpose of the blood-brain barrier? Describe its maintenance from a cellular level. - Answer
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: - Answer Relays sensory impulses to the
cerebrum
This ventricle is located anterior to the cerebellum. - Answer fourth
What is the largest portion of the brain? - Answer Cerebrum
, This region of the brain acts to coordinate multiple sources of sensory information. - Answer
Association area
This region of the brain controls decision making skills - Answer Frontal lobe
A patient is having difficulty understanding language but is sill able to speak fluently. The patient's
dermatomes are intact. Which area of the brain is most likely damaged? - Answer Wernicke's area
A patient is having difficulty producing speech sounds, but other motor movements are normal. Which
area of the brain is most likely damaged? - Answer Broca's area
Describe how memories are stored and retrieved in the brain. Include a specific brain region. - Answer
Memories 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.
What is muscle tone and how is it maintained? - Answer Muscle tone is the degree at which muscles
remain partially contracted while at rest. Muscle tone is continuously monitored and maintained by the
cerebellum to keep bones and joints in place.
Which statement is false concerning the brainstem? - Answer The midbrain helps regulate breathing
Which of the following is true concerning the cerebellum? - Answer The anterior lobe receives
information from the body trunk.
Which is most likely a symptom of ALS? - Answer Impaired ability to swallow
Which of the following is true concerning a CVA? - Answer A hemorrhagic stroke is due to a broken
blood vessel.
Which of the following is false concerning CVA? - Answer An ischemic stroke is also known as a "brain
bleed"
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