The voltage-gated Na+ channels _____ when the cell reaches +30 mV

What will be an ideal response?


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Anatomy & Physiology

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In a child, a vitamin D deficiency results in ______, whereas a vitamin A deficiency

results in ______. A) excess calcium absorption; osteomalacia B) rickets; retardation of bone development C) soft bones; rickets D) pituitary dwarfism; rickets

Anatomy & Physiology

________ glands (such as tear glands) have vesicles that release their secretion via exocytosis. ________ glands (such as oil-producing glands) secrete a mixture of disintegrated cells and their products.

A. Endocrine; Exocrine B. Exocrine; Apocrine C. Mucous; Cutaneous D. Mucous; Serous E. Merocrine; Holocrine

Anatomy & Physiology

What effect does thyroid hormone have on the body's metabolic rate?

a) it has no effect b) it increases it c) it decreases it

Anatomy & Physiology

The frontal plane passes vertically through the body or an organ and divides it into equal right and left portions

Indicate whether the statement is true or false

Anatomy & Physiology