Depression is thought to be caused by

a. decreased levels of NE and/or serotonin.
b. increased levels of NE and/or serotonin.
c. decreased levels of dopamine.
d. increased levels of dopamine.

a. There are many theories about how antidepressants work. It is known that a biochemical imbalance occurs in depression. It is believed that depression causes decreased levels of norepinephrine and/or serotonin in the brain.

Health Professions

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Which of the following would be acceptable choices for pediatric analgesia? 1. Fentanyl 2. Morphine 3. Nalbuphine 4. Meperidine 5. Butorphanol

A) 1 and 2 only B) 2, 4, and 5 C) 1, 2, 3, and 4 D) 2, 3, and 4

Health Professions

The term "oncology" refers to the study of:

a. sign language. b. antibodies in the serum. c. pathogens. d. tumors or cancer.

Health Professions