Physiology MCQs

Page No. 24

The oral and pharyngeal phases of swallowing take place very rapidly and last about______________?


a3.5 seconds

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b1-1.5 seconds

✓


c6.0 seconds

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d9.5 seconds

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View Answer 1-1.5 seconds

In a DNA molecule adenine always forms a linkage with______________?


aGuanine

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bCytosine

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cThymine

✓


dUracil

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View Answer Thymine

When a person lies down_______________?


aThere is immediate increase in venous return

✓


bHeart rate becomes stable at slightly more than normal

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cCerebral blood flow increase & becomes stable at more than normal

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dBlood flow to the Apex of lung decrease

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Open faced nucleus in a cell signifies______________?


aThat the cell is resting

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bthat the cell is active

✓


cnothing

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dthat the cell is in transition phase

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primary cause of bleeding disorder in liver damage is due to______________?


aDecreased level of prothrombin

✓


bLack of vitamin K

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cPlatelet deficiency

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dLack of vitamin B

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_________ is an example for rapidly acting neurotransmitter?


aSomatostatin

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bCalcitonin

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cSubstance P

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dGlycine

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View Answer Glycine

Regarding Golgi tendon organ true is ______________?


aSenses dynamic length of muscle

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bInvolved in reciprocal innervation

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ca- motor neuron stimulation

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dSense muscle tension

✓


View Answer Sense muscle tension

Valve of Hasner is present at________________?


aStensons duct

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bcommon bile duct

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cNaso lacrimal duct

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dmaxillary Sinus

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View Answer Naso lacrimal duct

The processing of short-term memory to long term memory is done in_______________?


aPrefrontal cortex

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bHippocampus

✓


cNeocortex

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dAmygdala

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View Answer Hippocampus

False about blood brain barrier is_______________?


aThere are gaps between tight junctions at the active sites

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bThere are no gaps between active sites

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cLess activity in the membrane

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dFibronectin provides a barrier for diffusion

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