The Maxillary Second Premolar Differs from the Maxillary First Premolar

question 20

Multiple Choice

The maxillary second premolar differs from the maxillary first premolar in that the:

• A)distobuccal cusp slope is shorter than the mesiobuccal cusp slope on the second premolar.
• B)cusps of the maxillary first premolar are not as sharp as the maxillary second premolar.
• C)lingual cusp is larger and almost the same height as the buccal cusp on the maxillary second premolar.
• D)second premolar is wider mesiodistally than buccolingually.

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Definitions:

Aldosterone

Mineralocorticoid steroid hormone produced by the adrenal cortex with action in therenal tubule to regulate sodium and potassium balance in the blood.

Sodium and Water

Vital components for physiological functions, closely regulated to maintain fluid balance, nerve transmission, and muscle function in the body.

Excretion

The process of removing waste substances from the body, primarily performed by organs like the kidneys, liver, skin, and lungs.

Jejunostomy Feeding

The provision of nutrition directly into the jejunum (part of the small intestine) through a surgically created opening known as a jejunostomy.