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Quiz 158
Mdcat-past-papers Quiz
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3141. The pressure receptors that receive deep pressure stimulus in humans body are called ;
Meissners corpuscles
Paccinian corpuscles
Red blood corpuscles
White blood corpuscles
3142. In human myelinated fibres nerve impulse travels at ----- meters per second.
100-120
130-150
160-180
190-210
3143. Nissl's granules are groups of:
Mesosomes
Lysosomes
Ribosomes
Chromosomes
3144. During Non-conducting state, the neuron membranes is permeable to efflux of:
K+
Na+
Ca+
Cl-
3145. Depolarization during conduction of nerve impulse is due to:
Inward movement of Na+
Inward movement of K+
Outward movement of K+
Outward movement of Na+
3146. Taste receptor is an example of:
Mechanoreceptors
Nociceptors
Photoreceptors
Chemoreceptors
3147. They detect pain and tissue damage.
Baroreceptor
Chemoreceptor
Photoreceptor
Nociceptor
3148. How long does it take an action potential to occur?
Few minutes
Few millisecond
Few hours
Few seconds
3149. A reflex involve sensory and a motor neuron on the way such transmission is called:
Synapse
Mono synaptic
Reflex arc
Synaptic cleft
3150. Who receives stimuli and conducts impulse to the cell body?
Axon
Motor neurons
Dendrites
Sensory neuron
3151. A nerve impulse arriving at the axon terminal causes the opening of:
Calcium channel
Calcium & sodium channel
Potassium channel
Chloride channel
3152. Which axon would transmit an action potential most rapidly?
1mm diameter neuron lacking myelin
1mm diameter neuron with myelin
2mm diameter neuron lacking myelin
2mm diameter neuron with myelin
3153. The junction between the axon ending of a neuron and the dendrites of another neuron is called:
Synapse
Nissl's body
Neuroglia
myelin sheath
3154. During non-conducting state, the neuron membrane is permeable to efflux of:
K+
Na+
Ca+
Cl-
3155. Nociceptors are concerned with sensations of:
Pressure
Pain
Touch
Vibration
3156. Which sequence will be followed when impulse travel from receptor to effector?
Motor neuron → Inter neuron → Sensory Neuron
Inter neuron → sensory neuron → motor neuron
Sensory neuron → Inter neuron → motor neuron
Sensory neuron → Motor neuron → Inter neuron
3157. Nerve impulse conducted from one node of Ranvier to another skipping the myelinated regions moves up to ----- times faster than unmyelinated axons.
50
100
120
30
3158. The type of neuron that carries nerve impulse from tissue and organ to the spinal cord and brain is:
Sensory neuron
Motor neuron
Intermediate neuron
Associative
3159. The resting membrane potential of neuron is measured about:
-30millivolts
50 millivolts
-70 millivolts
100 millivolts
3160. The hind brain is comprised of all of the following except:
Pons
Cerebellum
Cerebrum
Medulla oblongata
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