Narcotics are exogenous opiates. They act by:
1. Inhibiting pain transmission in the spinal cord
2. Attaching to receptors in the afferent neuron to inhibit the release of substance P
3. Blocking neurotransmitters in the midbrain
4. Increasing beta-lipoprotein excretion from the pituitary gland
2
You might also like to view...
The nurse is explaining fetal circulation to a group of nursing students. Which should be included in the teaching session? (Select all that apply.)
a. After birth the ductus venosus remains open, but the other shunts close. b. The foramen ovale shunts blood from the right atrium to the left atrium. c. The ductus venosus shunts blood from the liver to the inferior vena cava. d. The ductus arteriosus shunts blood from the right ventricle to the left ventricle.
When teaching a client about niacin therapy, the nurse should tell the client that niacin:
a. is least likely to cause gastrointestinal irritation. b. increases the conversion of cholesterol to bile salts. c. is the least expensive cholesterol-reducing therapy. d. can cause flushing from its vasoconstricting effect.
A patient starting therapy with efavirenz asks about the timing of medication in reference to meals. The nurse should explain that:
1. the drug must be taken within 30 minutes after a meal. 2. it is best to take the drug with a fatty meal. 3. the drug can be taken anytime without regard to meals. 4. the drug should be taken once a day on an empty stomach.
A patient with reconstructive head and neck skin grafts following mouth cancer is crying when the nurse enters the room and stated that she doesnt want to see any visitor. The surgery's impact on which of the following best explains this behavior?
A. cognition B. self concept C. coping D. relationships