Your Sister Is Very Concerned About Your Toddler Nephew

question 237

Multiple Choice

Your sister is very concerned about your toddler nephew.When they were at the pediatrician's office,the doctor measured your nephew's head circumference and his head is not growing as quickly as his body.What should you tell your sister?

• A)She should find a good surgeon.The fontanels must have closed too soon.
• B)You suggest that your nephew must have microcephaly.
• C)This is to be expected,as the body grows faster than the head during toddlerhood.
• D)You should remind her that she also has a very small head.

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Definitions:

Dendrite

A branched extension of a neuron that receives electrical signals from other neurons, contributing to neural connectivity.

Nerve Impulse

An electrical signal that travels along a neuron, conveying information from one part of the body to another.

Resting Potential

The voltage difference between the inside and the outside of a neuronal membrane when the neuron is not firing.

Nerve Impulses

Electrical signals that travel along the dendrites and axons of neurons, enabling communication within the nervous system.