Human Body Part – The Brain and Nervous System

1. Which of the following elements are necessary for the transmission of nerve impulses?

  1. Magnesium and iodine
  2. Sodium and potassium
  3. Calcium and iron
  4. Zinc and copper
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Answer: Option B. Sodium and potassium

2. Which part of the Central Nervous System is responsible for controlling Reflex Actions?

  1. Cerebrum
  2. Cerebellum
  3. Medulla oblongata
  4. Spinal cord
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Answer: Option D. Spinal cord

3. Which of the following is not a function of the sympathetic nerves in the autonomic nervous system?

  1. Decreasing heart rate
  2. Increasing heart rate
  3. Dilating pupils
  4. Stimulating sweat glands
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Answer: Option A. Decreasing heart rate

4. The Corpus Callosum is a significant part of which organ in the human body?

  1. Brain
  2. Heart
  3. Liver
  4. Kidney
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Answer: Option A. Brain

5. What are the two types of cells that make up the nervous system?

  1. Epithelial cells and muscle cells
  2. Tendon cells and macular cells
  3. Neurons and glial cells
  4. Osteocytes and chondrocytes
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Answer: Option C. Neurons and glial cells