ANIMAL PHYSIOLOGY
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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when we see food, we salivate
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knee-jerk reaction
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blinking
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salvation in dog when ring bells
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Detailed explanation-1: -Knee-jerk is an unconditioned reflex action. All others are conditioned reflex actions.
Detailed explanation-2: -The response obtained on a given stimulus is called unconditioned reflex. Pulling of the hand when pricked with a needle is an example of an unconditioned reflex.
Detailed explanation-3: -The unconditioned reflex is the innate reaction of the organism, which is the same among the members of the given species. Unconditioned reflexes are characterized by a permanent and clear connection between action on the receptor and a certain response, ensuring that organisms adapt to stable living conditions.
Detailed explanation-4: -Solution : Blinking of eyes, withdrawing of hand upon pricking, suckling to breast by infant, swallowing, knee jerk, sneezing and coughing are some of the unconditional reflexes.