The umbilical region is commonly known as the ________.
A. navel
B. buttock
C. groin
D. breastbone
E. upper arm
Answer: A
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Which are differences between cardiac muscle tissue and skeletal muscle tissue?a: The sarcoplasmic reticulum in cardiac muscle is less extensive.b: The sarcoplasmic reticulum in cardiac muscle is more organized.c: Cardiac muscle has intercalated discs; skeletal muscle does not.d: Cardiac muscle has 1 or 2 nuclei per cell; skeletal muscle has multiple nuclei per cell.e: Cardiac muscle has more well defined terminal cisternae.
A. b, d, e B. a, c, d C. b, c, e D. a, b, e E. a, c, e
Which of the following correctly pairs a term with its definition?
A. Abduction-lifting the arm out to the side of the body so that it is parallel to the ground B. Adduction-moving the arm forward so its is in front of the body C. Flexion-bringing the arm from overhead back down to the side of the body D. Extension-bending the leg at the knee to bring the heel closer to the buttocks
The deposit of calcium salts within a tissue is
A) calcification. B) hardening. C) osteogenesis. D) osteolysis. E) ossification.
Activation of the extrinsic pathway of coagulation requires exposure of the blood to _________.
A. collagen B. tissue factor III C. prothrombin activator D. serotonin