A Single Mother with Three School-Age Children Has Recently Noticed

question 30

Multiple Choice

A single mother with three school-age children has recently noticed that the second child has been scratching his head and complains that it itches.She asks the school nurse to examine him.The school nurse notes that the child has head lice.Which of the following is the best description of head lice?

• A) Lice are easy to see and look like little white crabs.
• B) Lice are difficult to see, but their eggs are small oval particles.
• C) Lice and their eggs are on the hair shafts and look like dandruff.
• D) Treatment for lice can wait until the entire family can be checked.

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Definitions:

Epigenetic Marks

Chemical modifications to DNA and histone proteins that affect gene expression without altering the underlying DNA sequence. These can be influenced by environmental factors and may be reversible.

Serotonin Molecules

Chemical compounds in the brain functioning as neurotransmitters, playing key roles in mood regulation, digestion, and sleep.

Reactive Temperament

A tendency to respond to the environment with heightened emotions and easily triggered reactions.

Autism Spectrum Disorder

A range of neurodevelopmental conditions characterized by challenges with social skills, repetitive behaviors, and communication.