The hymen is located
A. at the external urethral sphincter.
B. near the vaginal orifice.
C. near the fundus of the uterus.
D. at the cervix.
E. at the superior end of the vagina.
Answer: B
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The temporal lobes of schizophrenic patients have been studied extensively using MRI scans, and it has been determined that ___
A. there are precancerous lesions in the temporal lobes in patients with schizophrenia B. the hippocampus and amygdala are increased in size C. several parts of the limbic system are decreased in size D. .the temporal lobes play no role in the development of schizophrenia
In general, water-soluble molecules diffuse through the ________; and lipid-soluble molecules diffuse through the ________.
A. membrane channels; membrane channels B. lipid bilayer; membrane channels C. membrane channels; lipid bilayer D. lipid bilayer; lipid bilayer E. None of the choices are correct.
The epitope site is the certain portion of the antigen's exposed surface where __________.
a. the immune surveillance system is activated b. the foreign "body" attacks c. phagocytosis occurs d. the antibody attaches
Telomeres serve to ________.
A. cap the ends of DNA and protect it from damage B. cause replication of genes C. break DNA and cause it to degrade D. increase apoptosis