MCQs Biology F.Sc. Part 2 ( 2nd Year )
Chapter No.17
Coordination and Control
Total MCQs = 219
All MCQs taken from Old MDCAT Tests
71. It is involved in sleeping and wakening:
(A) Thalamus
(B) Brain stem
(C) Hippocampus
(D) Cerebellum
Answer:
(B) Brain stem
72. Peripheral nervous system in man consists of:
(A) 31 spinal and 12 cranial nerve pairs
(B) 33 spinal and 12 cranial nerve pairs
(C) 12 spinal and 31 cranial nerve pairs
(D) 31 spinal and 31 cranial nerve pairs
Answer:
(A) 31 spinal and 12 cranial nerve pairs
73. They detect sound, motion, position in relation to gravity, touch, pressure:
(A) Chemoreceptors
(B) Photoreceptors
(C) Mechanoreceptors
(D) Nociceptors
Answer:
(C) Mechanoreceptors
74. What kind of nociceptors are the skin receptors?
(A) Free nerve ending
(B) Spray nerve endings
(C) Blind nerve ending
(0) Encapsulated nerve ending
Answer:
(A) Free nerve ending
75. What kind of meissner corpuscle and pacinian corpuscle are the skin receptors?
(A) Free nerve ending
(B) Hot
(C) Cold
(D) Encapsulated nerve ending
Answer:
(D) Encapsulated nerve ending
76. The receptors which note the changes in blood pressure are:
(A) Caloreceptors
(B) Frigdoreceptors
(C) Baroreceptors
(D) Nociceptors
Answer:
(C) Baroreceptors
77. Dorsal root of spinal cord is:
(A) Sensory
(B) Motor
(C) Mixed
(D) All (A), (B) and (C)
Answer:
(A) Sensory
78. The branch of the autonomic nervous system that induces the “flight or tight” response is the:
(A) Sympathetic
(B) Parasympathetic
(C) Vagus nerve
(D) Somatic nerve
Answer:
(A) Sympathetic
79. Nicotine:
(A) Reduces fatigue
(B) Raises blood pressure
(C) Increases alertness
(D) All of the choices are correct
Answer:
(D) All of the choices are correct
80. Parkinson’s disease is characterized by:
(A) Nicotin
(B) Acetylcholine
(C) Serotonin
(D) Dopamine
Answer:
(D) Dopamine
