When the ciliary muscles are relaxed, are you viewing something close up or something in the distance?
A) something close up
B) something in the distance
Answer: B
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This figure shows an intestinal villus. What is the structure indicated by the number 1?
A. Intestinal artery B. Lacteal C. Microvillus D. Intestinal vein E. Flagellum
Insufficient blood flow to an area is termed:
A) insufficemia B) icterus C) ischemia D) ileitis E) ischitis
You examine a sample of muscle tissue under the microscope, and it has a striped, or striated appearance. This sample could not have been taken from the ________.
A. wall of digestive tract B. muscle of the thigh C. wall of heart chamber D. muscle of the forearm
Which of the following is generally accepted as a secondary sex characteristic?
A) The vagina B) The prostate gland C) The enlargement of the breasts D) The uterus E) The presence of testes