Multiple Choice Questions

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Which one of the following cranial nerves is carying the nerve fibres originating from the Edinger-Westphal nucleus?

  • Oculomotor

  • Trochlear

  • Abducens

  • Vagus


A.

Oculomotor

Edinger-Westphal nucleus is also known as the accessory oculomotor nucleus. It is the accessory parasympathetic cranial nerve nucleus of the oculomotor nerve (cranial nerve III), supplying the constructing muscles of the iris.


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Which of the following is not related to the autonomic nervous system?

  • Peristalsis

  • Digestion

  • Excretion

  • Memory and learning


Comprehension of spoken and written words take place in the region of

  • association area

  • motor area

  • Wernicke's area

  • Broca's area


How many laminae are present in the grey matter of spinal cord?

  • Four

  • Six

  • Eight

  • Ten


Colour blindness is due to defect in

  • cones

  • rods

  • rods and cones

  • rhodopsin


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The amount of CSF in the cranial cavity

  • 500 mL

  • 140 mL

  • 1 litre

  • 1.5 mL


Electric potential of the brain is recorded by

  • CT scan

  • Sphygmomanometer

  • ECG

  • EEG


The part of the brain where the centre for hunger and thirst is located is

  • cerebrum

  • hypothalamus

  • cerebellum

  • medulla oblongata


The reflex arc, which is made of two neurons is known as

  • monosynaptic reflex arc

  • disynaptic reflex arc

  • polysynaptic reflex arc

  • asynaptic reflex arc


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Which of the following does not act as a neurotransmitter

  • Acetylcholine

  • Epinephrine

  • Glutamic acid

  • Tyrosine


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