Which Statement Concerning Physiologic Factors Is True

question 17

Multiple Choice

Which statement concerning physiologic factors is true?

• A) The infant has a slower metabolic rate than an adult.
• B) An infant has an inability to digest protein and lactase.
• C) Infants have a slower circulatory response than adults do.
• D) The kidneys of an infant are less efficient in concentrating urine than an adult's kidneys.

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Definitions:

Vascular Cambium

A layer of cells in plants that produces vascular tissues, contributing to the secondary growth in stem and root diameters.

Vascular Bundle

In plants, primary phloem and primary xylem enclosed by a bundle sheath.

Vascular Tissue

Specialized tissue in plants that involves the transport of water and nutrients.

Guard Cells

Specialized cells in the epidermis of leaves and stems that control the opening and closing of stomata to regulate gas exchange.