The patient is tense, hypervigilant, and reports, "My heart is racing." The nurse understands that the primary neurotransmitter associated with these complaints is
a. serotonin.
b. glutamate.
c. acetylcholine.
d. norepinephrine.
D
Norepinephrine is a catecholamine. It is released in response to sympathetic stimulation and causes increased heart rate and blood pressure and other symptoms of anxiety. Glutamate, serotonin, and acetylcholine are not associated with sympathetic nervous system stimulation.
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The veins that return blood from the digestive organs and the spleen form the portal venous system. What large veins form this system? (Mark all that apply.)
A) Splenic vein B) Inferior mesenteric vein C) Gastric vein D) Inferior vena cava E) Intermediate mesenteric vein
Lindane (Kwell) is the drug of choice in the treatment of:
a. ringworm. c. trichomoniasis. b. scabies. d. enterobiasis.
In the assessment of a 90-year-old client, the nurse documents an exaggeration of the posterior curvature of the thoracic spine as:
A. Lordosis B. Osteoporosis C. Scoliosis D. Kyphosis
The school nurse is assessing the tympanic membranes of a 3-year-old child. Which of the following demonstrates proper technique?
a. Using an inverted otoscope grip while pulling the auricle downward b. Pulling the auricle upward and backward c. Holding the handle of the otoscope between the thumb and index finger while the child lies on the weight scale d. Using an inverted otoscope grip while pulling the auricle upward