Which of the following is not true of the urethra?
A. The type of epithelium found in the mucous coat changes between the base of the urinary bladder and the external urethral orifice.
B. It contains two sphincters, one composed of smooth muscle, and the other composed of skeletal muscle.
C. It contains urethral glands, which secrete protective mucus into the lumen of the urethra.
D. It is about the same length in males and females.
E. All of these are true of the urethra.
Answer: D
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The ________ is a connective tissue sheet that separates the cerebrum from the cerebellum.
Fill in the blank(s) with the appropriate word(s).
Visceral smooth muscle
A. contracts only when stimulated. B. may contain groups of cells that function as an independent unit. C. does not function as a unit. D. occurs in sheets and exhibits numerous gap junctions. E. All of these choices are correct.
According to the Frank-Starling law, a bigger preload will result in __________.
What will be an ideal response?
What is the terminal portion of the small intestine?
A. Cecum B. Pylorus C. Ileum D. Jejunum E. Duodenum