A cancer that travels to invade healthy tissue is said to
A. be benign.
B. have metastasized.
C. be mutated.
D. None apply.
Answer: B
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The P wave of the electrocardiogram is a signal from
A) the SA node. B) depolarization of the AV node. C) depolarization of the atria. D) repolarization of the atria. E) depolarization of the ventricles.
Epithelial tissue tends to be richly innervated and highly regenerative
Indicate whether this statement is true or false.
Answer the following statements true (T) or false (F)
1. The yellowish area near the center of the retina is called the fovea centralis. 2. The greatest concentration of rods is found in the macula lutea. 3. Looking directly at an object in bright light would give us greater visual acuity because the light would be focused on the fovea centralis. 4. One of the functions of the fluids in the eye is to focus light. 5. Aqueous humor is the watery fluid in the posterior chamber of the eye.
Progesterone
A. increases fallopian tube motility. B. causes uterine muscle contractions. C. causes ovulation. D. causes cellular hypertrophy in the endometrium. E. causes cellular degeneration in the endometrium.