Entry Test MCQ :: Coordination and Control

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11.

Which type of sensory structures carry deep pressure and vibration sensations?

A.	Hair end organs	B.	Meissner's Corpuscles.
C.	Pacinian corpuscles.	D.	none of these.

12.

Nissl's granules are present in which part of the neuron?

A.	Axoplasm	B.	Myelin sheath.
C.	Dendrite.	D.	Soma.

13.

Which of the following statement about neuron is incorrect?

A.	They not only conduct impulses but also generate them.	B.	They are not the only cellular component of nervous system.
C.	They may show limited regenerative capabilities.	D.	Like all the living cell, when they mature and divide to form similar cells.

14.

Type of neurons found exclusively in CNS are:

A.	Sensory neurons	B.	Motor neurons
C.	Associative neurons	D.	None of these.

15.

Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an _______ process.

A.	Active	B.	Passive
C.	Diffusional	D.	None of these.

16.

Cell membrane under resting conditions is impermeable to all the ions except

A.	Na+	B.	K+
C.	Cl-	D.	PO4-2

17.

At the induction of action potential opening of Na+ gate with influx of Na+ is a _________ processes:

A.	Active transport.	B.	Passive transport.
C.	Diffusion.	D.	none of these.

18.

Normal resting membrane potential of a neuron is

A.	? 50 mv	B.	? 60 mv
C.	? 70 mv	D.	? 80 mv

19.

Normal action potential of a neuronal cell is :

A.	plus 50 mv	B.	plus 60 mv
C.	plus 70 mv	D.	plus 80 mv

20.

Na+ -K+ ATPase pump is important for:

A.	Maintenance of resting potential.	B.	Massive out flux of K+ after depolarization.
C.	Recovery of resting potential.	D.	Conversion of resting potential into action potential.