Which of the following cartilages is largest?
Corniculate cartilage
Epiglottic cartilage
Thyroid cartilage
Cricoid cartilage
Arytenoid cartilage
The Correct Answer is C
A. Corniculate cartilage: Small horn-shaped cartilages that sit on top of the arytenoid cartilages; not the largest.
B. Epiglottic cartilage: Leaf-shaped cartilage that covers the glottis during swallowing; important but smaller than the thyroid cartilage.
C. Thyroid cartilage: This is the largest laryngeal cartilage; it forms the laryngeal prominence (Adam’s apple).
D. Cricoid cartilage: Ring-shaped and located below the thyroid cartilage; it is smaller than the thyroid cartilage but thicker posteriorly.
E. Arytenoid cartilage: Pyramid-shaped cartilages involved in vocal cord movement; smaller in size.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Trophoblast: Part of the blastocyst that contributes to placenta formation, not the whole developing individual.
B. Zygote: Single-cell stage immediately after fertilization.
C. Blastocyst: The hollow ball of cells that implants around day 6–7; occurs before week 3.
D. Embryo: The developing human is called an embryo from week 3 through week 8. This is when organ systems begin to form.
E. Fetus: The term "fetus" applies after week 8, when organogenesis is largely complete.
Correct Answer is B
Explanation
A. Metabolic acidosis: This occurs due to loss of bicarbonate (e.g., from diarrhea), not vomiting.
B. Metabolic alkalosis: Vomiting results in loss of hydrochloric acid from the stomach, leading to a relative increase in bicarbonate and metabolic alkalosis.
C. Respiratory alkalosis: Caused by hyperventilation, not vomiting.
D. Respiratory acidosis: Results from hypoventilation or lung disease, not gastrointestinal losses.
E. Lymphatic alkalosis: Not a recognized medical condition.
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