The hymen is located
A. at the cervix.
B. near the fundus of the uterus.
C. at the superior end of the vagina.
D. near the vaginal orifice.
E. at the external urethral sphincter.
D
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A new tattoo artist is doing their first tattoo. Being nervous, they don't adjust the needle depth setting on the tattoo machine properly and this causes the ink to barely reach the dermis. The ink is only deposited into the dermis in some spots, while much of it is deposited into the lower layers of the epidermis. What will happen to the tattoo?
A. In about a month or so, the areas where the ink penetrated only the epidermis will be gone. B. The tattoo will be perfectly fine. C. The ink will bleed and the tattoo will be blurry, but the ink will be retained. D. The tattoo won't show through the layers of the skin.
Thyroid hormone receptors form a(n) ________ on their DNA half-sites.
A. heterodimer B. autodimer C. homodimer D. pseudodimer
Which type of synovial joint is the simplest and least mobile and includes the intercarpal joints of the wrist?
A) saddle joint B) hinge joint C) plane joint D) ball-and-socket joint
In cardiac muscle, phosphorylation of phospholamban by protein kinase A modulates:
A. Ca++ extrusion through the plasmalemmal Ca++ pump B. Ca++ transport by SERCA C. open probability of the ryanodine receptor D. Ca++ affinity of troponin C E. Ca++ extrusion through the Na+-Ca++ antiporter