Question # 1

Ventral root of the spinal nerve contains

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Sensory nerve fibres

Motor nerve fibres

Mixed nerve fibres

All

Which is incorrect about resting membrane potential

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Na+ ions are ten folds higher outside

2 Na+ move out for 3 K+ move in

K+ ions are twenty folds higher inside

Some k+ ions leak out

The receptors which are 27 times more abundant than cold receptors

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Pressure receptors

Pain receptors

Heat receptors

Light receptors

It has duality in its functioning

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Pituitary gland

Pancreas

Gonads

Gut

Which of the following is a messenger of both chemical and nervous coordination

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Acetylcholine

Dopamine

Epinephrine

Serotonin

Diabetes insipidus is caused by

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Lack of aldosterone

Overproduction of ADH

Lack of ADH

Lack of insulin

It does not produce any hormone

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Anterior pituitary

Posterior pituitary

Pancreas

None

Which is responsible for hyperpolarization across membrane

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Disturbing of charge

Late closing of K+ gates

Influx of Na+

Efflux of Na+

Non-neural cells which encapsule the axon of neurons are

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Microglial

Microbodies

Schwann cells

Companion cells

It is not a steroid hormone

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Epinephrine

Estrogen

Progesterone

17 β hydoxy Testosterone

Which of the following hormone affects the supply of testosterone

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LH

GH

FSH

Aldosterone

Part of brain that is involved in learning

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Cerebrum

Thalamus

Cerebellum

Pons

They may also control some long term changes

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Enzymes

Neurons

Hormones

CNS

The hormone which is not secreted by anterior lobe of pituitary is

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GH

ICSH

Prolactin

TRF

Primary sensory areas are present in

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Cerebral cortex

Cerebral medulla

Cerebellum

Medulla oblamgata

In rats whose adrenal medulla has been removed surgically, the ability to with stand any stress situation such as cold

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Is Enhanced

Is diminished

Remains unaffected

Is finished

Nerve which carries impulses from CNS to effectors

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Sensory

Inter

Motor

Associative

It is incorrect statement about hormones

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Endocrine secretion

Initiate metabolism

Organic

Transported by blood

Decrease in progesterone level in blood stimulates the secretion of

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Estrogen

FSH

Cortisol

Oxytocin

Myelin is made up of

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Nucleoprotein

Lipoprotein

Glycolipids

Glycoproteins

Which is incorrect statement about spinal cord

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White matter contains myelinated axons

Grey matter contains non myelinated axons

Grey matter contains cell bodies of sensory neurons

Location of Peripheral nerve is near to spinal cord

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