Semilunar valves
A. are between the right atrium and right ventricle.
B. are between the left atrium and left ventricle.
C. are where the IVC and SVC enter the right atrium.
D. are where the aorta and pulmonary trunk exit the heart.
Answer: D
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Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
What occurs during the period of interphase known as the S phase?
A) DNA replication (synthesis) takes place. B) Genetic material is divided between the daughter cells. C) The cell is rapidly synthesizing proteins. D) Proteins, organelles, and cytosol are divided between the daughter cells.
Of the muscles listed, the only one that attaches distally on the head of the fibula is the
A. tensor fasciae latae. B. gluteus maximus. C. semimembranosus. D. semitendinosus. E. biceps femoris.
Which of the following statements concerning the permeability of a typical neuron membrane at rest is TRUE?
A. All of the K+ channels in the membrane are open. B. The permeability to Na+ is much greater than the permeability to K+. C. The voltage-gated Na+ channels are in the inactivated state. D. There is equal permeability to Na+ and K+. E. Most of the voltage-gated Na+ channels are in the closed state.