Which neurotransmitter is located only in the brain, particularly in the raphe nuclei of the brainstem, and is implicated in depression?
a. Norepinephrine
b. Acetylcholine
c. Dopamine
d. Serotonin
D
Serotonin, also called 5-HT, is derived from tryptophan, a dietary amino acid. It is located only in the brain, particularly in the raphe nuclei of the brainstem. It plays a role in regulation of mood through its mood-elevating capacity.
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The nurse in the newborn nursery is doing the admission assessment on a neonate. Which assessment finding would lead the nurse to suspect unilateral congenital hip dysplasia?
1. Lordosis 2. Trendelenburg sign 3. Asymmetry of the gluteal and thigh fat folds 4. Telescoping of the affected limb
You note that your patient has diaphoresis, generalized hyperthermia, and very soft and silklike skin. In the absence of a fever or recent exercise, you determine that the most likely cause of these findings is
a. hypothyroidism. c. hyperthyroidism. b. anxiety. d. peripheral vascular disease.
The nurse is caring for a child who has just received a cast for a broken wrist. Why should the nurse elevate the limb onto a pillow?
A) To prevent edema B) To promote healing C) To discourage infection D) To ensure proper bone alignment
Pediculosis capitis is an infestation of lice on the:
a. Scalp b. Body c. Pubic hair d. Buttocks