Which of the following statements concerning epithelial cell surfaces is false?
A. Smooth surfaces reduce friction.
B. Epithelium with folded surfaces can change shape.
C. Epithelial cells with microvilli are involved in absorption.
D. Cilia propel materials along the surface of an epithelial cell.
E. Epithelium with folded surfaces tends to be very rigid.
Answer: E
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Fill in the blank(s) with the appropriate word(s).
In ruminants, vibriosis is associated with which of the following?
A) renal failure and septicemic disease B) infertility and irregular estrous cycles C) malignant edema and pulpy kidney D) acute stomatitis and diarrhea
Of the four primary classes of tissues, the tissue that consists of elongated fibers that are specialized to contract in response to stimulation is ________.
A. Connective tissue B. Epithelial tissue C. Muscle tissue D. Nervous tissue
The hypophysial portal system connects the ________ with the ________.
A. anterior pituitary; posterior pituitary B. hypothalamus; thyroid C. pituitary glands; thyroid D. posterior pituitary; hypothalamus E. anterior pituitary; hypothalamus