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BIOD 331 Module 6 Neural Function Disorders Disorders Comprehensive Test Review (Qns & Ans) $17.49
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BIOD 331 Module 6 Neural Function Disorders Disorders Comprehensive Test Review (Qns & Ans)
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BIOD 331 Module 6 Neural Function Disorders Disorders Comprehensive Test Review (Qns & Ans)BIOD 331 Module 6 Neural Function Disorders Disorders Comprehensive Test Review (Qns & Ans)BIOD 331 Module 6 Neural Function Disorders Disorders Comprehensive Test Review (Qns & Ans)

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  • January 29, 2025
  • 35
  • 2024/2025
  • Exam (elaborations)
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BIOD 331 Module 6

Neural Function Disorders

Comprehensive Test Review (Qns & Ans)

2025



1. Which of the following best describes the pathophysiology of
Parkinson's disease?
- A) Autoimmune destruction of myelin in the central nervous
system
- B) Degeneration of dopamine-producing neurons in the
substantia nigra
- C) Increased production of acetylcholine
- D) Genetic mutation in sodium channels
- ANS: B) Degeneration of dopamine-producing neurons in
the substantia nigra

©2024/2025

, - Rationale: Parkinson's disease is characterized by the
degeneration of dopamine-producing neurons in the substantia
nigra, leading to motor symptoms.


2. What is the primary cause of multiple sclerosis (MS)?
- A) Viral infection
- B) Autoimmune attack on the myelin sheath of neurons
- C) Genetic mutation in potassium channels
- D) Excessive neurotransmitter release
- ANS: B) Autoimmune attack on the myelin sheath of
neurons
- Rationale: Multiple sclerosis is an autoimmune disorder
where the immune system attacks the myelin sheath of neurons,
leading to demyelination and neurological symptoms.


3. Which of the following is NOT a common symptom of
amyotrophic lateral sclerosis (ALS)?
- A) Muscle weakness
- B) Spasticity
- C) Cognitive impairment
- D) Sensory loss
- ANS: D) Sensory loss

©2024/2025

, - Rationale: ALS primarily affects motor neurons, leading to
muscle weakness and spasticity, but it does not typically cause
sensory loss.


Fill-in-the-Blank Questions
4. The __________ is the part of the brain responsible for
coordinating voluntary movements and maintaining balance.
- ANS: Cerebellum
- Rationale: The cerebellum is responsible for coordinating
voluntary movements and maintaining balance.


5. In Alzheimer's disease, the accumulation of __________
plaques and neurofibrillary tangles leads to neuronal damage and
cognitive decline.
- ANS: Amyloid-beta
- Rationale: The accumulation of amyloid-beta plaques and
neurofibrillary tangles in the brain leads to neuronal damage and
cognitive decline in Alzheimer's disease.


6. The __________ is a neurotransmitter that plays a key role in
mood regulation and is often targeted by antidepressant
medications.
- ANS: Serotonin


©2024/2025

, - Rationale: Serotonin is a neurotransmitter that plays a key
role in mood regulation and is often targeted by antidepressant
medications.


True/False Questions
7. True or False: Epilepsy is characterized by recurrent,
unprovoked seizures.
- ANS: True
- Rationale: Epilepsy is characterized by recurrent,
unprovoked seizures due to abnormal electrical activity in the
brain.


8. True or False: Guillain-Barré syndrome is an autoimmune
disorder that affects the central nervous system.
- ANS: False
- Rationale: Guillain-Barré syndrome is an autoimmune
disorder that affects the peripheral nervous system, leading to
muscle weakness and paralysis.


9. True or False: Huntington's disease is a genetic disorder
caused by a mutation in the HTT gene.
- ANS: True



©2024/2025

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