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Question-1
The PNS nerves are part of either the somatic system or the:
(A)
Motor system
(B)
Central nervous system
(C)
Parasympathetic system
(D)
Autonomic system
Question-2
The peripheral nervous system includes the nerves, which are neurons with cell bodies that occur in the:
(A)
Sympathetic nervous system
(B)
Brain, spinal cord, or in ganglia
(C)
Motor system
(D)
Autonomic system
Question-3
Humans have how many pairs of cranial nerves ?
(A)
4
(B)
12
(C)
16
(D)
21
Question-4
How does a dendrite conducts nerve impulses ?
(A)
Away from the cell body
(B)
Towards the cell body
(C)
Both towards and away from the cell body
(D)
Around bypassing the cell body
Question-5
How is transmission across a synapse achieved ?
(A)
Ionic bonding
(B)
Diffusion of neurotransmitter across the cleft
(C)
Physical contact of axon to dendrite allowing the nerve impulse to continue onward
(D)
Diffusion of sodium ions across the cleft
Question-6
Where does the sensory neuron of the peripheral nervous system take nerve impulses from sensory receptors to?
(A)
Motor neurons
(B)
Interneurons
(C)
Autonomic nervous system
(D)
Central nervous system
Question-7
Which part of the brain control the anterior pituitary gland secretions ?
(A)
Medulla
(B)
Thalamus
(C)
Cerebral cortex
(D)
Hypothalamus
Question-8
The peripheral nervous system includes mixed nerves that:
(A)
Serve the muscular and skeletal system
(B)
Serve the sympathetic system
(C)
Serve the parasympathetic system
(D)
Contain both sensory and motor fibers
Question-9
How does an axon conduct nerve impulses ?
(A)
Away from the cell body
(B)
Towards the cell body
(C)
Both towards and away from the cell body
(D)
Around, bypassing the cell body
Question-10
Which of the following hormones require iodine?
(A)
Thyroxin
(B)
Aldosterone
(C)
Parathyroid hormone
(D)
Insulin
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Cambridge Secondary Grade 9
IGCSE
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