Medicine MCQs-15
Contents
- 1 Which nerve fiber has slowest conduction velocity?
- 2 Which of the following nerve fibers first involved in Peripheral Neuropathy?
- 3 ALL of the following causes stocking neuropathy EXCEPT -
- 4 Megavitamin-B6 syndrome has been reported in doses as low as -
- 5 Most common polyneuropathy is -
- 6 All of the following are CORRECT for peripheral neuropathy EXCEPT -
- 7 In the CNS, including the spinal cord, myelin sheaths are produced by -
- 8 Most common inherited cause of peripheral neuropathy -
- 9 Dysesthesias restricted to the fifth digit and the adjacent one-half of the fourth finger on one hand point to disorder of the -
- 10 Inverted champagne bottle appearance seen in -
- 11 ALL of the following are CORRECT about Wallerian degeneration EXCEPT -
Which nerve fiber has slowest conduction velocity?
Type C
C fibers are unmyelinated unlike most other fibers in the nervous system.
This lack of myelination is the cause of their slow conduction velocity
Which of the following nerve fibers first involved in Peripheral Neuropathy?
Type C
ALL of the following causes stocking neuropathy EXCEPT -
Excess vitamin B6 can cause nerve damage
Megavitamin-B6 syndrome has been reported in doses as low as -
Megavitamin-B6 syndrome has been reported in doses as low as 24 mg/day
Most common polyneuropathy is -
Most common polyneuropathy is diabetic sensorimotor polyneuropathy
All of the following are CORRECT for peripheral neuropathy EXCEPT -
Toes are involved first then Fingers
In the CNS, including the spinal cord, myelin sheaths are produced by -
In the CNS, including the spinal cord, myelin sheaths are produced by oligodendrocytes and not by Schwann cells.
Most common inherited cause of peripheral neuropathy -
Most common type inherited cause of peripheral neuropathy is Charcot-Marie-Tooth disease
This is one of the hereditary motor and sensory neuropathies.
Dysesthesias restricted to the fifth digit and the adjacent one-half of the fourth finger on one hand point to disorder of the -
Dysesthesias restricted to the fifth digit and the adjacent one-half of the fourth finger on one hand reliably point to disorder of the ulnar nerve， most commonly at the elbow
Inverted champagne bottle appearance seen in -
Lipodermatosclerosis
Charcot-Marie Tooth Disease
ALL of the following are CORRECT about Wallerian degeneration EXCEPT -
Part of the axon distal to the injury (i.e. farther from the neuron's cell body) degenerates
Wallerian degeneration is an active process of degeneration that results when a nerve fiber is cut or crushed and the part of the axon distal to the injury (i.e. farther from the neuron's cell body) degenerates
