The first cervical vertebra is called the
A) primum.
B) atlas.
C) axis.
D) cervix.
E) apex.
B
Anatomy & Physiology
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Immunoglobulins that are most abundant and are responsible for resistance against many viruses, bacteria, and bacterial toxins are
A) IgA. B) IgD. C) IgE. D) IgG. E) IgM.
Anatomy & Physiology
An erection of the penis is caused by
A. semen pressure from the testes and ductus deferens. B. muscle flexion of the penile muscles. C. increased secretions of lymph into the spongy tissue. D. blood filling the erectile bodies and compressing the veins. E. ejaculatory muscles.
Anatomy & Physiology
Which vessels empty blood into the left atrium?
A. aorta B. right atrium C. pulmonary trunk D. pulmonary arteries E. pulmonary veins
Anatomy & Physiology
Prostate cancer usually displays several symptoms in the early stages of development.
a. true b. false
Anatomy & Physiology