Which muscle is one of four heads that form the quadriceps femoris?
A. rectus femoris
B. pectineus
C. obturator externus
D. tensor
Answer: A
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Which of the following is a dural septum, described as a large sickle-shaped fold that dips into the longitudinal fissure between the cerebral hemispheres?
A) tentorium cerebelli B) corpus callosum C) falx cerebelli D) falx cerebri
Alternative routes of blood supply are called ________.
A. metarterioles B. anastomoses C. capillary beds D. thoroughfare channels E. preferred channels
What unit of measurement is often used to measure cell size?
A. Micrometer B. Nanometer C. Centimeter D. Millimeter
Which disorder occurs when contents in the abdomen protrude through a weak portion in the abdominal wall?
A. Diverticulitis B. Crohn's disease C. Abdominal hernia D. Irritable bowel syndrome