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Select the structures that are part of the larynx. (Select all that apply)

A.

Vocal cords

B.

Thyroid cartilage

C.

Cricoid cartilage

D.

Laryngopharynx

E.

Epiglottis

F.

C- rings

Answer and Explanation

Correct Answer : A,B,C,E

A. Vocal cords: The vocal cords (vocal folds) are mucosal folds that lie within the larynx and produce sound when they vibrate
B. Thyroid cartilage: The thyroid cartilage is the largest laryngeal cartilage (forms the “Adam’s apple”) and provides structural support to the larynx
C. Cricoid cartilage: The cricoid cartilage is a complete ring of cartilage inferior to the thyroid cartilage that forms part of the laryngeal skeleton
D. Laryngopharynx: The laryngopharynx is the lower part of the pharynx (shared passageway for food and air) that lies posterior to the larynx; it is pharyngeal tissue, not a structural component of the larynx itself
E. Epiglottis: The epiglottis is a flap of elastic cartilage attached to the entrance of the larynx that prevents aspiration during swallowing
F. C-rings: “C-rings” typically refer to the incomplete C-shaped cartilaginous rings of the trachea, not the larynx


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Related Questions

Correct Answer is C

Explanation

A. "It is an enzyme released into the duodenum.":Salivary amylase is secreted into the mouth; pancreatic amylase is released into the duodenum.
B. "It is an enzyme that breaks down the fats in breast milk.":Salivary amylase digests starches (carbohydrates); lingual lipase (and gastric/pancreatic lipases) act on fats.
C. "It is an enzyme that initiates the breakdown of carbohydrates.":Salivary amylase begins starch digestion in the oral cavity by cleaving polysaccharides into smaller sugars.
D. "It is an enzyme that breaks down proteins in the stomach.":Proteolysis in the stomach is primarily by pepsin (a gastric enzyme), not salivary amylase.

Correct Answer is B

Explanation

A. Spermatogenesis and oogenesis both contribute to the maturation of the embryo:gametogenesis produces gametes for fertilization; embryonic maturation occurs after fertilization.
B. Spermatogenesis produces mature sperm for fertilization, while oogenesis generates mature ova for fertilization: spermatogenesis and oogenesis are the gamete-producing processes that supply sperm and ova needed for sexual reproduction.
C. Spermatogenesis is responsible for the development of the uterine lining, while oogenesis produces hormones to regulate the menstrual cycle:uterine lining development is driven by ovarian hormones (estrogen/progesterone); gametogenesis itself does not directly build the endometrium.
D. Spermatogenesis and oogenesis are sex hormones necessary for reproductive health: spermatogenesis and oogenesis are cellular processes (gamete production), not hormones.

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