BIOS 252 Week 4 Answers

  • BIOS 252 Week 4 Answers
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Institution Chamberlain
Contributor Pamela Anderson

Structural and Functional Organization of the Brain

  1. All ventricles of the brain are paired, except for the fourth ventricle.
  2. Unlike the spinal cord, the outer portion of the brain is made up of

matter, while the inner portion is made up of matter.

  1. Which adult structure(s) arises from the diencephalon?
  2. Which of the following structures is not considered a secondary vesicle?
  3. The cortex, or the outermost region of the brain, is known as the:
  4. Which of the following glial cells are directly involved in the production of cerebrospinal fluid?
  5. After suffering a blow to the back of the head, Phil loses his vision. The blow probably caused damage to the
  6. Which areas of the medulla oblongata are activated as a gymnast walks along a narrow plank? Select all that apply.
  7. The substantia nigra releases the neurotransmitter which is active in pleasurable experiences and regulation of muscle tone.
  8. Which area of the cerebrum is matched correctly with its function? Select all that apply.
  9. After suffering a stroke, Mark finds that he cannot move his right arm. This would suggest that the stroke damage is in the area of the lobe.
  10. Joe begins to experience mood swings and disturbed thirst and hunger. Imaging studies indicate that a brain tumor is the likely cause of these disorders. In what part of the brain is the tumor most likely located?
  11. Spinocerebellar tract axons carry sensory information into the cerebellum by the

 

  1. Which functional area of the cerebrum is responsible for the ability to form words?
  2. The hypothalamus affects which functions in the body? Select all that apply.

 

Cranial Nerves

  1. Which of the following brain structures consists of the medulla oblongata, pons, and midbrain?
  2. The is the primary relay station for sensory information coming into the cerebral cortex.
  3. There are 24 pairs of cranial nerves.
  4. Which of the following cranial nerves extends through the optic canals of the sphenoid bone.
  5. Fred’s girlfriend has a habit of rolling her eyes each time he says a joke. Fred jokes that her optic nerves are overworked. Is this true or false?
  6. Despite being a cranial nerve, the conveys parasympathetic information to the body’s structures that are responsible for digestion, defecation, and diuresis.
  7. Aaron had been feeling dizzy and unable to maintain his balance. His doctor indicated to him he has a viral infection in his inner ear. Which of the following nerves is most likely affected by the virus based on Aaron's symptoms?
  8. Which of the following cranial nerves extends through the inner acoustic meatus?

Autonomic Nervous System

  1. Which of the following is not considered a voluntary action?
  2. Which cell body of the autonomic motor pathways is located in the Central Nervous System?
  3. Where are the paired sympathetic trunk ganglia located?
  4. Which of the following is true for preganglionic neurons?
  5. You can expect to see flushing of skin above the injury site (face, neck, etc) in a patient with autonomic dysreflexia.
  6. What type of ganglia belongs to the parasympathetic nervous system?
  7. What neurotransmitter is released from adrenergic neurons?
  8. What are the autonomic motor pathways?

 

 

Instituition / Term
Term Uploaded 2023
Institution Chamberlain
Contributor Pamela Anderson
 

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