The opening between the true vocal cords is called the
thryoid cartilage
cricoid cartilage
alveoli
glottis
The Correct Answer is D
A. Thyroid cartilage: Thyroid cartilage is a laryngeal cartilage (Adam’s apple), not the opening between the cords
B. Cricoid cartilage: Cricoid cartilage is a ring below the thyroid cartilage, not the opening between vocal cords
C. Alveoli: Alveoli are air sacs in the lungs, unrelated to vocal cord anatomy
D. Glottis: The glottis is the opening between the true vocal cords
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Pepsinogen: pepsinogen is secreted by chief cells, not parietal cells.
B. Hydrochloric acid: parietal cells secrete HCl, which acidifies the stomach and helps activate pepsinogen.
C. Mucus: mucus is secreted by mucous (surface) cells to protect the gastric epithelium, not by parietal cells.
D. Pepsin: pepsin is the active protease formed from pepsinogen by HCl; parietal cells secrete HCl, not active pepsin.
Correct Answer is A
Explanation
A. Macrophages -Alveolar macrophages (dust cells) engulf debris, dust, and pathogens.
B. Surfactant -Surfactant reduces surface tension, preventing alveolar collapse, but does not remove particles.
C. Antibodies -Antibodies neutralize pathogens but do not actively remove inhaled particles.
D. Lymphocytes -Lymphocytes mediate immune responses but are not the main mechanism for clearing inhaled debris.
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