Which back muscle originates on the vertebral spinous processes?
A. Erector spinae
B. Multifidus
C. Interspinales
D. Psoas minor
E. Longissimus capitis
Answer: C
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An isomerase bonds two similar molecules together to form a larger one
Indicate whether this statement is true or false.
The most important muscle(s) of inspiration is (are) the:
a. diaphragm b. external intercostals c. abdominal muscles d. both B and C above
Which of the following statements regarding Ca2+ homeostasis is TRUE?
A. Parathyroid hormone directly stimulates Ca2+ reabsorption by the kidneys. B. Parathyroid hormone directly stimulates Ca2+ absorption from the GI tract. C. In the absence of parathyroid hormone, plasma Ca2+ levels would be abnormally low, resulting in the hyperpolarization of nerve and muscle membranes. D. When plasma Ca2+ increases above normal, the secretion of parathyroid hormone increases. E. Vitamin D decreases the renal tubular reabsorption of Ca2+.
Many hours after a meal, alpha (?) cells in the pancreatic islets secrete ________, which ________ blood glucose
A) insulin; raises B) glucagon; lowers C) glucocorticoids; raises D) insulin; lowers E) glucagon; raises