In smooth muscle, most of the calcium needed for muscle contraction
A. is in the dense bodies.
B. enters from extracellular fluid.
C. is attached to the intermediate filaments.
D. must be activated by myosin kinase.
E. is stored in the sarcoplasmic reticulum.
B
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Your colleague sees a pelvic radiograph you have just taken of a patient and comments that your patient must have been a female. Provide three or more characteristics of the female pelvis to support how your colleague recognized the sex of your patient
from her radiograph. What will be an ideal response?
The heel of the foot is formed by the
A. talus. B. patella. C. cuboid bone. D. navicular bone. E. calcaneus.
As the rate of sweat production increases, the amount of sodium lost in the urine
A. increases. B. decreases. C. remains the same.
Which of the following is NOT a shape of epithelial tissue cells?
A. Columnar B. Unipolar C. Cuboidal D. Squamous