Erectile columns that form the dorsal surface and sides of the penis are the:
A) corpus spongiosum.
B) corpora cavernosa.
C) crus of the penis.
D) glans penis.
E) root of the penis.
Answer: B) corpora cavernosa.
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Which hormone functions to counteract the effect of gastric acid in the small intestine?
a) Pepsin b) Secretin c) Gastrin d) Cholecystokinin e) Amylase
Although all the anatomical parts of muscle work together to give it it's characteristics, which of the following proteins listed below would be most associated with the characteristics of extensibility?
A) elastic (titin) filaments B) potassium (K+) leak channels C) acetylcholine receptors in the motor end plate D) thick (myosin) filaments
The primary curves of the vertebral column are the
A) cervical and lumbar curvatures. B) lumbar and sacral curvatures. C) cervical and thoracic curvatures. D) thoracic and sacral curvatures.
What is the function of the ciliated epithelium of the tracheobronchial tree?
A. To cause coughing B. Move dirt toward the alveoli C. A mucus-cilia escalator D. All of the choices are correct.