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A child with restricted tongue movement may have a surgery that involves the cutting of the

A.

terminal sulcus

B.

lingual frenulum

C.

uvula

D.

palatine tonsils

Answer and Explanation

The Correct Answer is B

A. Terminal sulcus: This is a V-shaped groove on the tongue that marks the division between the anterior and posterior tongue-not related to tongue mobility.
B. Lingual frenulum: This is a fold of mucous membrane under the tongue that may be too short or tight in some children (ankyloglossia or “tongue-tie”), limiting movement. Surgery may involve cutting this to free the tongue.
C. Uvula: The uvula is part of the soft palate and plays a role in speech and swallowing, not tongue movement.
D. Palatine tonsils: These are lymphatic tissues in the oropharynx and have no role in tongue movement.


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Related Questions

Correct Answer is E

Explanation

A. 2 ATP: This is the ATP yield from glycolysis (net gain), not fatty acid oxidation.
B. 18 ATP: Too low for a 16-carbon fatty acid-this number is far below the actual ATP yield from fatty acid metabolism.
C. 36 ATP: This is the approximate ATP yield from glucose oxidation, not a 16-carbon fatty acid.
D. 38 ATP: Also close to glucose metabolism; still too low.
E. 129 ATP: Beta-oxidation of a 16-carbon fatty acid (e.g., palmitic acid) generates 129 ATP molecules, making it far more energy-dense than glucose.

Correct Answer is A

Explanation

True: When the ECF becomes hypertonic due to water loss (e.g., dehydration), water moves out of the cells into the ECF by osmosis, causing cellular shrinkage.

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