The primary mechanisms of action of certain antidepressants result from neurotransmitter inactivation by enzyme-based metabolism and
a. electrochemical stimulation.
b. stimulation of natural precursors.
c. extraction of precursors from the bloodstream.
d. reuptake into the presynaptic storage vesicles.
D
Neurotransmitters are inactivated in two ways: (1) they are metabolized by enzymes, and (2) they are taken back into the presynaptic storage vesicles—a process called reuptake. The other options have no physiologic basis in fact.
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One of the most important concepts of holistic care is
1. the whole person is treated. 2. activities are documented. 3. people receive group therapy. 4. people talk things over with someone trusted.
An older client is discussing his desire to continue walking during the winter months, but expresses fear of being out in the colder weather. The nurse appropriately recommends for him to:
a. suspend all walking activities until the weather is favorable b. walk inside at the local shopping mall c. join a health club and walk on the treadmill d. continue to walk outside no matter what the weather
A 12-year-old male patient diagnosed with hypogonadism will begin testosterone injections. What will the nurse include when teaching the family about this therapy?
a. Annual x-rays of the hands and wrists are necessary to monitor epiphyseal closure. b. Gynecomastia may occur and is a common side effect. c. Injections are given every 2 to 4 weeks for 3 to 4 years. d. Use of this drug may lead to prostate can-cer later in life.
A client at 39 weeks' gestation is having a cesarean birth with general anesthesia. Which potential challenge is most relevant to the anesthesia care of this client?
1. Broad ligament hematoma 2. Difficulty with maternal intubation 3. Hypotension due to the intense blockade of sympathetic fibers 4. Fetal depression that is inversely proportional to maternal anesthetic depth and duration