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Which of the following is/are the example/s of simple reflex?
a) blinking of eyes     
b) sneezing and salvation
c) movement of diaphragm
d) all of these

d

Explanation: diaphragm is a muscular layer between thoracic and abdominal cavity moving during breathing



In a patellar reflex when the ……..is tapped, the patellar reflex is initiated.
a) patella                                 
b) cartilage
c) muscles                   
d) patellar tendon

d

Explanation: patellar reflex means knee jerk and patellar tendons lie just below the knee



Which of the following muscle is contracted during patellar reflex?
a) hamstrings              
b) quadriceps
c) biceps and triceps
d) calf muscles

b

During reflexes, the action potential is travel to the ……..via sensory axon.
a) brain                                   
b) spinal cord
c) gland                      

d) muscles

b

Explanation: Spinal reflexes are rapid, involuntary, and predictable responses to specific stimuli that are mediated by the spinal cord without requiring input from the brain.



During patellar reflex, which of the following is released for chemical communication for action potential onto a motor nerve?
a) adrenalin                
b) noradrenalin
c) glutamate              
d) dopamine

c

Explanation glutamate is neurotransmitter for the synapse



Most insects have simple “startle” reflexes triggered by………disturbance.
a) small                                  
b) larger
c) moderate                
d) none of these

a

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