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