The exact cause of bipolar disorder has not been determined; however, for most patients:
a. several factors, including genetics, are implicated.
b. brain structures were altered by stress early in life.
c. excess sensitivity in dopamine receptors may trigger episodes.
d. inadequate norepinephrine reuptake disturbs circadian rhythms.
ANS: A
The best explanation at this time is that bipolar disorder is most likely caused by interplay of complex independent variables. Various theories implicate genetics, endocrine imbalance, environmental stressors, and neurotransmitter imbalances.
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The nurse is caring for a client using a continuous passive motion (CPM) machine and has delegated some tasks to the unlicensed assistive personnel (UAP). What action by the UAP warrants intervention by the nurse?
a. Checking to see if the machine is working b. Keeping controls in a secure place on the bed c. Placing padding in the machine per request d. Storing the CPM machine under the bed after removal
When a patient arrives in the emergency department with a sucking wound to the left chest, the nurse should:
a. place several layers of gauze dressing over the wound. b. place the patient in a supine position. c. cover the wound with an airtight dressing taped on three sides. d. turn the patient to the left side.
At a patient's 24-week check-up, you assess a patient's urine with a chemical reagent strip and discover it is 1+ for sugar. You would base your evaluation of this finding on which of the following statements?
A) Lactose may be spilling into her urine. B) Sugar in urine is an innocent finding in pregnancy. C) A decreased glomerular filtration rate is the cause. D) She is eating excessive calories.
While performing an admission assessment on a moderately anemic client, the nurse would expect to find a history of
a. blurred vision. b. cardiac palpitations. c. increased appetite. d. warm, flushing sensations.