Here are top MCQs on the spinal cord along with their answers:-
1. Which structure protects the spinal cord?
a) Vertebral column
b) Meninges
c) Cerebrospinal fluid (CSF)
d) All of the above
Answer: d) All of the above
2. The spinal cord begins at the:
a) Foramen magnum
b) Cerebellum
c) Fourth ventricle
d) Pons
Answer: a) Foramen magnum
3. How many pairs of spinal nerves are there?
a) 12
b) 24
c) 31
d) 33
Answer: c) 31
4. The outermost layer of the meninges is:
a) Dura mater
b) Arachnoid mater
c) Pia mater
d) Epidural space
Answer: a) Dura mater
5. Which part of the spinal cord is responsible for motor function?
a) Dorsal root
b) Ventral root
c) Gray matter
d) Central canal
Answer: b) Ventral root
6. What type of reflex involves only the spinal cord and not the brain?
a) Monosynaptic reflex
b) Polysynaptic reflex
c) Spinal reflex
d) Somatic reflex
Answer: c) Spinal reflex
7. The gray matter of the spinal cord is shaped like a:
a) Circle
b) Butterfly
c) Star
d) Pyramid
Answer: b) Butterfly
8. The spinal cord ends at which vertebral level in adults?
a) L1-L2
b) T12-L1
c) L3-L4
d) S1-S2
Answer: a) L1-L2
9. What is the main function of cerebrospinal fluid (CSF) in the spinal cord?
a) Transport hormones
b) Provide nutrients
c) Cushion and protect the spinal cord
d) Assist in reflex actions
Answer: c) Cushion and protect the spinal cord
10. The corticospinal tract is responsible for:
a) Sensory information
b) Motor commands
c) Reflex actions
d) Balance and coordination
Answer: b) Motor commands
11. The dorsal root ganglion contains:
a) Motor neurons
b) Sensory neurons
c) Mixed neurons
d) Reflex neurons
Answer: b) Sensory neurons
12. What is the function of the central canal of the spinal cord?
a) Carry blood
b) Contain cerebrospinal fluid
c) Transmit nerve impulses
d) Store nutrients
Answer: b) Contain cerebrospinal fluid
13. The spinal cord is a continuation of which part of the brain?
a) Medulla oblongata
b) Pons
c) Midbrain
d) Cerebrum
Answer: a) Medulla oblongata
14. Damage to the cervical spinal cord can lead to:
a) Paraplegia
b) Quadriplegia
c) Hemiplegia
d) Monoplegia
Answer: b) Quadriplegia
15. Which ascending tract carries pain and temperature sensations?
a) Corticospinal tract
b) Spinothalamic tract
c) Reticulospinal tract
d) Vestibulospinal tract
Answer: b) Spinothalamic tract
topic ends multiple-choice questions (MCQs) on insulin