NURSING EXAM QUESTIONS
HUMAN ANATOMY PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT true of a reflex arc?
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It is automatic/involuntary
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It requires processing by the brain for a reaction to occur
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It gives humans a selective advantage when reacting quickly to dangerous situations
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An example is the knee-jerk reflex
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Explanation:
Detailed explanation-1: -Blinking of eyes is not a reflex action, but it is involuntary action. A reflex action is one which occurs spontaneously whereas involuntary action happens without the conscious choice of an organism.
Detailed explanation-2: -Final Answer: The true statements are that the sudden action in response to something in the environment is called reflex action and the path through which signals are transmitted from a receptor to a muscle or a gland is called the reflex arc.
There is 1 question to complete.