Important McQs related to central nervous system?

1. What is the main function of the central nervous system?
2. What are the two main components of the central nervous system?
3. What is the role of the brain in the central nervous system?
4. What is the role of the spinal cord in the central nervous system?
5. What are the main types of cells found in the central nervous system?
6. What is the difference between the central nervous system and the peripheral nervous system?
7. What are the main functions of the peripheral nervous system?
8. What are the main disorders that can affect the central nervous system?
9. How does the central nervous system communicate with the rest of the body?
10. What are some common diagnostic tests used to assess the central nervous system?

1. Which part of the brain is responsible for controlling balance and coordination?
(a) Cerebellum
(b) Thalamus
(c) Hippocampus
(d) Hypothalamus

2. Which type of cell in the nervous system transmits electrical signals?
(a) Neuron
(b) Glial cell
(c) Astrocyte
(d) Oligodendrocyte

3. What is the name of the protective membrane that surrounds the brain and spinal cord?
(a) Dura mater
(b) Pia mater
(c) Arachnoid mater
(d) Epineurium

4. Which neurotransmitter is associated with pleasure and reward?
(a) Dopamine
(b) Serotonin
(c) Norepinephrine
(d) GABA

5. What is the function of the spinal cord?
(a) To relay sensory information to the brain
(b) To control muscle movement
(c) To produce hormones
(d) To regulate body temperature

6. Which part of the brain is involved in memory and learning?
(a) Hippocampus
(b) Cerebellum
(c) Thalamus
(d) Hypothalamus

7. What is the name of the chemical substance that carries electrical signals across the synaptic cleft?
(a) Neurotransmitter
(b) Hormone
(c) Receptor
(d) Ion

8. Which part of the nervous system is responsible for the "fight-or-flight" response?
(a) Sympathetic nervous system
(b) Parasympathetic nervous system
(c) Enteric nervous system
(d) Somatic nervous system

9. What is the function of the optic nerve?
(a) To transmit visual information from the eyes to the brain
(b) To control the movement of the eyes
(c) To regulate the size of the pupils
(d) To protect the eye from damage

10. Which disease is characterized by progressive degeneration of the neurons in the brain?
(a) Alzheimer's disease
(b) Parkinson's disease
(c) Multiple sclerosis
(d) Epilepsy

Answer Key:
1. (a)
2. (a)
3. (a)
4. (a)
5. (a) and (b)
6. (a)
7. (a)
8. (a)
9. (a)
10. (a)