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Quiz 161
Mdcat-past-papers Quiz
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3201. Which of the following neurotransmitter function, Both as neurotransmitter and hormones decreasing our perception of pain?
Epinephrine
Serotonin
Dopamine
Endorphins
3202. A — is a junction between two neurons or between a motor neuron and a muscle cell:
Epinephrine
Serotonin
Synaptic knob
Dopamine
3203. The terminal part of axon of one neuron forming synapse with the other neuron ends in:
Dendrite of next neuron
post synaptic neuron
synaptic knob
a & b
3204. Which of the following is a neurotransmitter?
Dopamine
Hydrochloric acid
Sodium ions
Calcium ions
3205. The gap between neurons at a synapse is:
Synaptic knob
Synaptic cleft
Synaptic delay
synaptic vesicle
3206. The molecule responsible for conveying messages from one neuron to the next are called:
Hormones
Activators
neurotransmitters
Enzymes
3207. Place of production of neurotransmitter is:
Presynaptic membrane
Postsynaptic membrane
Dendrite
Synaptic cleft
3208. What is the fate of a neurotransmitter after the transmission of nerve impulse across a synapse?
It is taken into post synaptic neuron
Remains bound to post synaptic membrane
Remains stay in the synaptic cleft
Broken down by enzymes
3209. Which immediate change is brought about in the post synaptic membrane binding with excitatory neurotransmitter?
Calcium gates open
Sodium gates open
Sodium gates close
Sodium postassium pump ceases to work
3210. Which of the following is a characteristics of electrical synapses?
Presence of neurotransmitters
Transmission of nerve impulse
Sodium potassium gradient
Absence of neurotransmitter
3211. The part of brain which controls breathing (respiratory center), heart rate and swallowing is:
Cerebrum
Cerebellum
Medulla
Hypothalamus
3212. Thalamus and cerebellum are part of:
forebrain
Mid brain
Hind brain
Spinal cord
3213. The right and left cerebral hemispheres are connected by a thick band of nerve fibers called:
Medulla
Corpus callosum
Pons
Hippocampus
3214. Part of forebrain responsible the balance, guides accurate motions and equilibrium of body is called:
Medulla
Cerebellum
Pons
Thalamus
3215. The CNS is protected by:
3layers of meninges
1 layer of meninges
4 layers of meninges
2 layers of meninges
3216. White matter of spinal cord is made up of:
Sensory Nerve fibers
Myelinated Nerve fibers
Motor nerve fibers
Mixed Nerve fibers
3217. The middle layer of meninges is:
Arachnoid mater
Pia mater
Dura mater
Cranium
3218. The part of brain which guides smooth and accurate motions and maintains body position is:
Cerebrum
Cerebellum
Pons
Medulla
3219. Which of the following is Not a feature of Autonomic Nervous system?
Regulate response of visceral organs
Regulate repsponse of skeletal muscles
Regualte reponse of glands
Regulate response of smooth muscle
3220. Medulla Oblongata is a part of:
Forebrain
Mid brain
Hind brain
Hippocampus
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