Which flap made of cartilage prevents food and water from entering the respiratory passages?
Epiglottis
Tonsils
Uvula
Appendix
The Correct Answer is A
A. Epiglottis: The epiglottis is a flap of cartilage that covers the laryngeal opening during swallowing to prevent food or liquid from entering the airway.
B. Tonsils: Tonsils are lymphatic tissues in the pharynx that help trap pathogens, not prevent aspiration.
C. Uvula: The uvula helps close off the nasopharynx, not the trachea, during swallowing.
D. Appendix: The appendix is a blind-ended tube attached to the cecum; it plays no role in swallowing or airway protection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Incontinence: Incontinence can occur in many older adults even without UTI and is not unique or diagnostic of infection.
B. Low back pain: Low back pain can occur with pyelonephritis, but it is not specific to older adults and not the most distinctive symptom in this population.
C. Urinary retention: Retention is possible, but confusion is more commonly seen as an atypical presentation of infection in older adults.
D. Confusion: Older adults often present with confusion, delirium, or change in mental status as a primary symptom of UTI, rather than localized symptoms.
Correct Answer is D
Explanation
A. Absorption: Absorption refers to nutrients being taken into the bloodstream, mainly in the intestines.
B. Peristalsis: Peristalsis is the muscular movement of food through the digestive tract, not chewing.
C. Regulation: Regulation refers to control mechanisms in digestion but not to the act of chewing.
D. Mechanical digestion: Chewing breaks food into smaller pieces, which is mechanical digestion and prepares food for chemical digestion.
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