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L3, Division of the nervous system, physiology

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MCQ 


1-The brain of the human composed of:
a-3 cerebral parts
b-2 cerebellum 
c-2 cerebral parts & cerebellum 
d-Only brain stem 

2-Brain stem consists of:

a-Midbrain, pons,medulla oblongata
b-Cerebrum & cerebellum 
c-Midbrain & pons only
d-Medulla oblongata only

3-Cervical region in the spinal cord contains:

a-7 segments 
b-8 segments 
c-10 segments 
d-5 segments 

4-Nerve cell consists of :

a-2 soma & one axon 
b-Soma and Dendrites 
c-Soma, axon,Dendrites 
d-Axon and Dendrites 

5-Cytoplasm of neurons contains:

a-All organelles 
b-Only nucleus and golgi apparatus 
c-Mitochondria & ribosomes only
d-All organelles except centrioles

6-Nerve cells can divide by mitosis 

a-True
b-False

7-Neurilemmal sheath is the:

a-Outer sheath 
b-Inner sheath 
c-Outer and inner 

8-Dendrites are covered by neurilemmal and myelin sheaths 

a-True 
b-False 

9-Myelin sheath is :

a-Lipoprotein 
b-Glycoprotein 
c-Only protein
d-Phospholipid 

10-Myelin sheath covers:

a-All nerves
b-Whole axon of myelinated nerves 
c-Unmyelinated nerves
b-Whole axon except origin, end,nodes of ranvier 

11-Central mass of spinal segment formed of:

a-Nerve axon and myelinated nerves 
b-Nerve cells and unmyelinated nerves 
c-Nerve cells and myelinated nerves 
d-Nerve axon and unmyelinated nerves 

12-The cranial nerve number 9 is called:

a-Vagus 
b-Facial
c-Glossopharyngeal 
d-Accessory

13-Somatic Nervous system ‘s origin:
a-All spinal segments only 
b-All thoracic segments only
c-Cranial nerves 3,7,9,10
d-All cranial nerves & all spinal segments 

14-Somatic Nervous system relay in ganglia. 
a-True 
b-False 

15-Reflex action is a Voluntary action 
a-True 
b-False 

16-The afferent neuron carries the impulse:

a-From the receptor to the effector organ 
b-From the CNS to the effector organ 
c-From the receptor to the CNS 
d-From the organ to the CNS 

17-Autonomic reflex arc center is :

a-LHC
b-AHC
c-DHC
d-Peripheral white matter 

         Answers 

1-C
 2- A
  3- B 
 4-C         
5- D
 6- B
  7- A
  8- B
  9- A
  10- D
  11- B
  12- C
13- D
 14- B
  15- B
  16- C
  17- A





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