What are the three regions of the male urethra?
A. Prostatic, membranous, and penile
B. Prostatic, bulbar, and penile
C. Prostatic, vesicular, and penile
D. Vesicular, bulbar, and penile
E. Vesicular, membranous, and penile
A. Prostatic, membranous, and penile
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In chemical notation, the symbol Ca2+ means
A) two calcium atoms. B) a calcium ion that has lost two electrons. C) a calcium ion that has gained two protons. D) a calcium ion that has gained two electrons. E) a calcium ion that has lost two protons.
Describe the layers of the dermis
A) The superficial papillary layer contains areolar tissue with capillaries, lymphatic vessels, and sensory neurons. The deep reticular layer contains dense irregular connective tissue with collagen and elastic fibers. B) The superficial reticular layer contains areolar tissue with capillaries, lymphatic vessels, and sensory neurons. The deep papillary layer contains dense irregular connective tissue with collagen and elastic fibers. C) The superficial papillary layer contains dense irregular connective tissue with collagen and elastic fibers. The deep reticular layer contains areolar tissue with capillaries, lymphatic vessels, and sensory neurons. D) The superficial reticular layer contains dense irregular connective tissue with collagen and elastic fibers. The deep papillary layer contains areolar tissue with capillaries, lymphatic vessels, and sensory neurons. E) The superficial papillary layer contains stratified squamous epithelial tissue. The deep reticular layer contains areolar tissue with capillaries, lymphatic vessels, and sensory neurons.
Which of the following is most commonly fractured in a fall?
A) manubrium B) hyoid C) clavicle D) navicular E) glenoid cavity
The germinal center of a lymphatic nodule contains proliferating B-lymphocytes and macrophages.
Answer the following statement true (T) or false (F)