Which of the following transport processes requires the energy of ATP to move substances across the plasma membrane?

A. Osmosis
B. Active transport
C. Diffusion
D. Filtration
E. Facilitated diffusion


Answer: B

Anatomy & Physiology

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Anatomy & Physiology

Which of the following antagonistic hormones keep the blood calcium level balanced?

A. Parathyroid hormone and calcitonin B. FSH and LH C. Epinephrine and norepinephrine D. Aldosterone and cortisol E. ADH and OT

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When blood starts to become too acidic, the kidneys respond by

A. synthesizing and secreting bicarbonate ions while reabsorbing H+. B. synthesizing and reabsorbing H+ while filtering bicarbonate ions. C. synthesizing and reabsorbing bicarbonate ions while secreting H+. D. decreasing filtration rate and increasing reabsorption of both bicarbonate ions and H+. E. increasing filtration rate and increasing reabsorption of H+.

Anatomy & Physiology