A Congenital Defect in the Immune System of a 2-Week-Old

question 46

Multiple Choice

A congenital defect in the immune system of a 2-week-old infant may be suspected if

• A)there are small, palpable inguinal nodes.
• B)the umbilical cord has not yet dropped off.
• C)the tonsils are visible.
• D)the thymus is visible on a chest radiograph.
• E)the small postauricular nodes are palpable.

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Definitions:

REM Sleep

A sleep phase marked by Rapid Eye Movement, where dreaming and increased brain activity occur.

Delta Waves

Slow brain waves typically associated with the deepest stages of sleep and relaxation.

Theta Waves

Brain wave patterns observed in the EEG (Electroencephalogram) that are typically associated with light sleep, meditation, and creativity, having a frequency range of about 4-8 Hz.

Alpha Waves

A type of brainwave that is associated with relaxed, calm, and meditative states, typically with closed eyes.