Mikako has sprained her big toe and can no longer flex it. Which muscle has she likely injured?
A. Flexor digitorum longus
B. Flexor pollicis longus
C. Flexor hallucis longus
D. Flexor digitorum profundus
Answer: C
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Tactile (Merkel) cells are sensitive to
A. sound. B. light. C. touch. D. heat. E. cold.
The ejection fraction for an individual whose stroke volume is 45 ml of blood would be ________. This would ________ meet the body's demand for blood flow.
A. 10%; inadequately B. 60%; adequately C. 40%; inadequately D. 75%; adequately
If the ends of a broken bone are not touching, then a medical procedure called ________ must be performed to set the bone.
A. inflammation B. formation C. reduction D. remodeling
An adipose (fat) cell responds to the presence of the hormone epinephrine by increasing cytosolic cyclic AMP production, which leads to the catabolism of both glycogen and fat. What is the most likely explanation for this phenomenon?
A. Cyclic AMP-dependent protein kinase activates two kinds of enzymes. B. Cyclic AMP directly activates enzymes that catabolize glycogen and fat. C. Epinephrine is binding to two types of receptors in the plasma membrane. D. The activated receptor complex stimulates production of two different second messengers.