Which hormone has no effect on blood glucose levels?
A. Thyroid hormone
B. Insulin
C. Growth hormone
D. Epinephrine
Answer: A
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A patient rang the call bell because he was in great pain. "I want my PRN medication now," he said. Which medication timing is the nurse going to follow?
A) Medications given when needed B) Medications given in the morning C) Medications In the evening D) Medications given at noontime
If a cell is at rest (-70 mV) and ligand-gated Na+ channels open, there will be a net movement of Na+ into the cell until
A) There are no more Na+ in the extracellular fluid. B) The Na+ channels close. C) The membrane potential reaches the equilibrium potential for Na+. D) Either B or C
Which of the following is true of the substantia nigra?
A. It releases dopamine and inhibits unwanted muscle activity. B. It is located in the basal nuclei. C. It is located in the cerebellum. D. It is part of the limbic system. E. It is located on the precentral gyrus.
Which of the following is NOT a muscle of respiration?
A. External intercostals B. Internal intercostals C. Pectoralis major D. Diaphragm E. All of these are major muscles of respiration.