NEURAL CONTROL AND COORDINATION

 

Q91.Which of the following is not the action of sympathetic nervous system? 

(1) Slows down peristalsis 

(2) Erection of hair 

(3) Contraction in gall bladder 

(4) Constrict arteries and raises blood pressure 

Ans.3

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Q92.Rate of conduction of impulse will be faster in case of 

(1) Myelinated nerve fibre 

(2) Thicker nerve fibre 

(3) Non-myelinated nerve fibre 

(4) Both (1) and (2) 

Ans.4

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Q93.If the ligament directly below the kneecap is struck lightly by the edge of the hand or by a doctor's rubber hammer, knee jerk reflex occurs. This stretch reflex is 

(1) Polysynaptic 

(2) Withdrawl 

(3) Monosynaptic 

(4) Bisynaptic 

Ans.3

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Q94.Which of the following is not a part of knee jerk reflex? 

(1) Afferent pathway 

(2) Muscle spindle 

(3) Efferent pathway 

(4) Interneuron 

Ans.4

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Q95.Pacinian corpuscles which occur in the skin are 

(1) Free sensory nerve endings 

(2) Specialised cells at the end of the sensory nerve fibre 

(3) A type of gland 

(4) Encapsulated pressure receptors deep in the dermis 

Ans.4

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Q96.Which of the following is located in deeper parts of skin and is sensitive to pressure? 

(1) Meissner's corpuscles 

(2) Merkel's disc 

(3) Pacinian corpuscles 

(4) Ruffini corpuscles 

Ans.3

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Q97.Highly vascular and closely inverting protective coat around brain is known as

(1) Arachnoid 44

(2) Piamater 

(3) Duramater 

(4) Sub arachnoid space 

Ans.2

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Q98.The ability to hear often decreases with age because 

(1) The cilia degenerate 

(2) The hair cell stiffen 

(3) The flexibility of the basilar membrane changes 

(4) The tympanic canal straightens 

Ans.3

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Q99.Helicotrema connects 

(1) Scala vestibuli and scala tympani filled with endolymph 

(2) Scala vestibuli and scala media filled with perilymph 

(3) Scala vestibuli and scala tympani filled with perilymph 

(4) Scala media and scala tympani filled with endolymph 

Ans.3

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Q100.Which of the following part in ear is filled with endolymph? 

(1) Scala vestibuli 

(2) Scala tympani 

(3) Median canal 

(4) Helicotrema 

Ans.3