Binding of myosin to actin in skeletal muscle cells does not normally take place in the absence of Ca2+
Indicate whether the statement is true or false.
TRUE
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Mammography and bone densitometry are good examples of which of the following types of medical imaging
a) computed tomography b) magnetic resonance imaging c) ultrasound scanning d) radionuclide scanning e) low-dose radiography
What controls ammonia secretion?
a. The skin b. The kidneys c. The liver d. The colon e. The spleen
The hormone aldosterone functions to promote the
A. Reabsorption of sodium B. Secretion of sodium C. Reabsorption of potassium D. Secretion of calcium
The jugular foramen provides a route of passage through the cranium for which of the following cranial nerves?
A) accessory and hypoglossal B) facial and vestibulocochlear C) olfactory and optic D) glossopharyngeal, vagus and accessory