Intracellular fluids are characterized by relatively high concentrations of

A. Chloride and potassium
B. Sodium and phosphate
C. Potassium and phosphate
D. Sodium and chloride


C. Potassium and phosphate

Anatomy & Physiology

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The opening that connects the right and left atria in the fetal heart is the ________.

A. interatrial septum B. septum secundum C. foramen rotundum D. septum primum E. foramen ovale

Anatomy & Physiology

Cells of the central nervous system that control capillary permeability are:

a. astrocytes b. afferent neurons c. oligodendrocytes d. microglia cells

Anatomy & Physiology

The I band within a skeletal muscle fiber is indicated by ________

Anatomy & Physiology

Treppe

A. can contribute to improved muscle efficiency. B. may be due to an increase in the level of Ca2+ around the myofibril. C. is achieved during warm-up exercises. D. is an example of a graded response. E. All of these choices are correct.

Anatomy & Physiology