Nervous system in humans: MCQs Quiz – 3 7


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Nervous system in humans: Neural Control and Coordination - MCQs Quiz - 3

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Question 1
Which one of the followings is the largest portion of the brain in humans?
A
Cerebrum
B
Cerebellum
C
Medulla
D
Pons
Question 2
Which neuroglia cells produce a fatty insulating material called myelin?
A
Satellite cells
B
Schwann cells
C
Both (A) and (B)
D
Neither (A) nor (B)
Question 3
During synaptic transmission of nerve impulse, neurotransmitter (P) is released from synaptic vesicles by the action of ions (Q). Choose the correct P and Q.
A
P = Acetylcholine, Q = Ca++
B
P = Acetylcholine, Q = Na+
C
P = GABA, Q=Na+
D
P = Cholinesterase, Q = Ca++
Question 4
Which of the following does not act as a neurotransmitter?
A
Acetylcholine
B
Glutamic acid
C
Epinephrine
D
Tyrosine
Question 5
Which one of the followings is responsible for the improvement of nutrient flow to the neurons and provides electrical insulation?
A
Neuroglia
B
Motor neuron
C
Sensory neuron
D
Interneuron
Question 6
Which of the following is not related to the autonomic nervous system?
A
Peristalsis
B
Digestion
C
Excretion
D
Memory and learning
Question 7
Which of the following options is appropriate for the processing center "Wernicke’s area" found in left cerebral cortex?
A
Helps us to understand both written and spoken word
B
Adds grammatical refinements
C
Sends information to Broca’s area
D
Both (A) and (C)
Question 8
Which of the following nerves is the largest of all the cranial nerves?
A
Abducens nerve
B
Oculomotor nerve
C
Olfactory nerve
D
Trigeminal nerve
Question 9
Which one of the following cranial nerves is carrying the nerve fibres originating from the Edinger-Westphal nucleus?
A
Oculomotor
B
Trochlear
C
Abducens
D
Vagus
Question 10
Which one of the common neurotransmitters is paired wrongly with the site where it is released?
A
Somatostatin - pancreas
B
Serotonin - spinal cord
C
Acetylcholine - Neuromuscular junctions
D
Endorphins - autonomic nervous system
Question 11
Which one of the following is the correct statement regarding the particular psychotropic drug specified?
A
Barbiturates cause relaxation and temporary euphoria
B
Hashish causes after thought perceptions and hallucinations
C
Opium stimulates nervous system and causes hallucinations
D
Morphine leads to delusions and disturbed emotions
Question 12
Which one of the following pairs is incorrectly matched in regard to the principal actions of neurotransmitters?
A
Endorphins - involved in moods
B
Serotonin - involved in sleep cycle
C
Norepinephrine - plays a role in emotions
D
Somatostatin - inhibits pancreatic release of growth hormone
Question 13
Which one of the followings is correct in regard to the function of cerebellum?
A
Regulate heartbeat
B
Muscle coordination
C
Secretes melatonin
D
Sense reception
Question 14
Which one of the followings is not correct about neuroglial cells?
A
Generate or transmit impulses
B
Maintain healthy concentrations of important chemicals in the fluid
C
Provide physical support and protection to neurons
D
In PNS, responsible for myelination (Schwann cells)
Question 15
Which one of the following aspects is an exclusive characteristic of living things?
A
Perception of events happening in the environment and their memory
B
Increase in mass by accumulation of material both on surface as well as internally
C
Isolated metabolic reactions occur in vitro
D
Increase in mass from inside only
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