A Healthcare Provider Notes That Tapping the Patient's Facial Nerve

question 31

Multiple Choice

A healthcare provider notes that tapping the patient's facial nerve leads to lip twitching. What electrolyte value is correlated with this finding?

• A)K⁺: 2.8 mEq/L
• B)K⁺: 5.4 mEq/L
• C)Ca⁺⁺: 8.2 mg/dL
• D)Ca⁺⁺: 12.9 mg/dL

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Definitions:

Glottis

The part of the larynx consisting of the vocal cords and the slit-like opening between them, involved in producing vocal sounds.

Epiglottis

A leaf-shaped flap of cartilage located behind the tongue, which closes over the windpipe during swallowing to prevent food from entering the airways.

Vocal Folds

Vocal folds, also known as vocal cords, are muscular structures in the larynx that vibrate to produce sound when air is expelled from the lungs, facilitating speech and singing.

Vibration Frequency

The number of oscillations per unit of time of a vibrating system, usually measured in hertz (Hz).