Dopamine is involved in which neurodegenerative disorder? 1) Alzheimer's disease 2) Parkinson's disease 3) Huntington's disease 4) Lou Gehrig's disease/ALS

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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### Quiz: Neurodegenerative Disorders

**Question:**
Dopamine is involved in which neurodegenerative disorder?

**Options:**
- 1) Alzheimer's disease
- 2) Parkinson's disease
- 3) Huntington's disease
- 4) Lou Gehrig's disease/ALS

---

**Explanation:**

This multiple-choice question is designed to test your knowledge of neurodegenerative disorders and the role of dopamine. Dopamine is a neurotransmitter that plays a key role in several brain functions, and its dysregulation is a hallmark of certain disorders.

- **Option 1: Alzheimer's disease** 
  - Primarily associated with memory loss and cognitive decline due to the degeneration of brain tissues related to memory and cognitive functions.
  
- **Option 2: Parkinson's disease**
  - Characterized by tremors, rigidity, and bradykinesia (slowness of movement). It is directly related to the loss of dopamine-producing neurons in a region of the brain called the substantia nigra.

- **Option 3: Huntington's disease**
  - A genetic disorder that leads to the progressive breakdown of nerve cells in the brain, affecting movement, cognition, and psychiatric status.
  
- **Option 4: Lou Gehrig's disease/ALS (Amyotrophic Lateral Sclerosis)**
  - Affects nerve cells in the brain and spinal cord, leading to loss of muscle control.

Use this information to identify which neurodegenerative disorder involves dopamine dysfunction.
Transcribed Image Text:### Quiz: Neurodegenerative Disorders **Question:** Dopamine is involved in which neurodegenerative disorder? **Options:** - 1) Alzheimer's disease - 2) Parkinson's disease - 3) Huntington's disease - 4) Lou Gehrig's disease/ALS --- **Explanation:** This multiple-choice question is designed to test your knowledge of neurodegenerative disorders and the role of dopamine. Dopamine is a neurotransmitter that plays a key role in several brain functions, and its dysregulation is a hallmark of certain disorders. - **Option 1: Alzheimer's disease** - Primarily associated with memory loss and cognitive decline due to the degeneration of brain tissues related to memory and cognitive functions. - **Option 2: Parkinson's disease** - Characterized by tremors, rigidity, and bradykinesia (slowness of movement). It is directly related to the loss of dopamine-producing neurons in a region of the brain called the substantia nigra. - **Option 3: Huntington's disease** - A genetic disorder that leads to the progressive breakdown of nerve cells in the brain, affecting movement, cognition, and psychiatric status. - **Option 4: Lou Gehrig's disease/ALS (Amyotrophic Lateral Sclerosis)** - Affects nerve cells in the brain and spinal cord, leading to loss of muscle control. Use this information to identify which neurodegenerative disorder involves dopamine dysfunction.
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