Which of the following pairings is correct?

(a)

Sensory nerve - afferent

(b)

Motor nerve - afferent

(c)

Sensory nerve - ventral

(d)

Motor nerve - dorsal

Which part of the human brain is concerned with the regulation of body temperature?

(a)

Cerebellum

(b)

Cerebrum

(c)

Medulla oblongata

(d)

Hypothalamus

Match the following human spinal nerves in column I with their respective number in column II and choose the correct option.

Column I	Column II
P. Cervical Nerves	i. 5 pairs
Q. Thoracic nerves	ii. 1 pair
R. Lumbar nerves	iii. 12 pairs
S. Coccygeal nerves	iv. 8 pairs

(a)

P	Q	R	S
iv	iii	i	ii

(b)

P	Q	R	S
iii	i	ii	iv

(c)

P	Q	R	S
iv	i	ii	iii

(d)

P	Q	R	S
ii	iv	i	iii

All of the following are associated with the myeline sheath except.

(a)

Faster conduction of nerve impulses

(b)

Nodes of Ranvier forming gaps along the axon

(c)

Increased energy output for nerve impulse conduction

(d)

Saltatory conduction of action potential

Which of the following statement concerning the somatic division of the peripheral neural system is incorrect?

(a)

Its pathways innervate skeletal muscles

(b)

Its pathways are usually voluntary

(c)

Some of its pathways are referred to as reflex arcs

(d)

Its pathways always involve four neurons

Choose the wrong statement with regard to a dendron.

(a)

Dendrons are branched.

(b)

Dendron gives rise to Axon.

(c)

Dendron is associated with myelin sheath

(d)

Dendron arises from cell body.

'Lazy gates' condition is seen in _____________

(a)

Repolarization

(b)

Hyperpolarization

(c)

Depolarization

(d)

Synapse

_______________ is the coloured portion of the eye.

(a)

Cornea

(b)

Iris

(c)

Pupil

(d)

Sclera

Irregular curvature of cornea or lens causes ___________

(a)

Cataract

(b)

Presbyopia

(c)

Astigmatism

(d)

Myopia

___________ are involved in olfactory reflexes and emotional responses to odour.

(a)

Hypothalamus

(b)

Epithalamus

(c)

Infundibulum

(d)

Mammillary bodies