A cell is actively manufacturing enough organelles to serve two functional cells. This cell is probably in what phase of interphase?

A) G0
B) G1
C) G2
D) S
E) M


Answer: B

Anatomy & Physiology

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An increase in heart rate is accompanied by

a. an increase in L-type Ca2+ channel activity. b. an increase in K+ flux through voltage-gated K+ channels. c. an increase in the passive movement of Na+ into cells of the SA node. d. an increase in the passive movement of K+ out of cells of the SA node. e. a combined increase in passive movement of Na+ and K+ out of the cells of the SA node.

Anatomy & Physiology

Parasympathetic stimulation of the heart

a. increases venous return to the heart. b. has an impact on the ventricular conduction pathway. c. increases the number of cross-bridges that can form during contraction. d. increases the strength of contraction. e. none of these.

Anatomy & Physiology

The ________ extends the forearm.

A. biceps brachii B. frontalis C. gluteus maximus D. triceps brachii

Anatomy & Physiology

Which term means away from the midline of the body?

A. Lateral B. Ventral C. Medial D. External E. Distal

Anatomy & Physiology