The Brain and Spinal Cord — Unit test

Question 21 • GA-Essentials of Healthcare

Zipora tries to eat soup that is too hot. She takes one spoonful and then puts the soup down. What neurological process is occurring?

Answer

The frontal lobe of the brain conveys a message to the occipital lobe that the soup is too hot; the occipital lobe then makes a decision to put down the soup, so it sends that message to the temporal lobe.

The efferent nerves send a message to the brain that the soup is too hot, then the brain sends a message through the afferent nerves for Zipora to put down the spoon.

The temporal lobe of the brain conveys a message to the occipital lobe that the soup is too hot; the occipital lobe then makes a decision to put down the soup, so it sends that message to the frontal lobe.

The afferent nerves send a message to the brain that the soup is too hot, then the brain sends a message through the efferent nerves for Zipora to put down the spoon.

Explanation

Afferent nerves carry sensory information from the body to the brain. Zipora’s sensory nerves signal that the soup is too hot, and the brain processes that information and sends a movement command through efferent nerves to put down the spoon. Choice D correctly describes this direction of communication; choice B reverses the roles of afferent and efferent nerves.

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