The nurse knows that a client with prolonged prothrombin time (PT) values (not related to medication) probably has dysfunction in which organ?
a. Kidneys
b. Liver
c. Spleen
d. Stomach
ANS: B
Severe acute or chronic liver damage leads to a prolonged PT secondary to impaired synthesis of clotting proteins. The other organs are not related to this issue.
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A patient with visual acuity of 20/200 or more and a visual field restriction of 11 to 20 degrees is considered to have hand motion (HM) vision. These patients may require assistance with what?
A) Eating a meal B) Mobility C) Dressing D) Brushing teeth
The nurse is performing a physical examination on a sleeping newborn. Which of the following body systems should the nurse examine last?
A) Heart B) Abdomen C) Lungs D) Throat
Which statement best explains why a CNS stimulant helps a patient with attention-deficit hyperactivity disorder (ADHD)?
1. Neurotransmitters are blocked, limiting the effects they can produce within the PNS. 2. Activation of certain areas of the brain causes increased attention and ability to focus. 3. Neurotransmitter levels are reduced, which produces a calming effect within the CNS. 4. Certain areas of the brain are deactivated, resulting in a calming effect.
Which of the following assessment questions is most likely to allow the nurse to differentiate between anxiety disorder due to a general medical condition and psychological factors affecting a medical condition?
A) Reviewing the client's previous medication administration record and the client's current list of medications B) Questioning the client about the clinician who first diagnosed the medical problem C) Asking the client to provide a detailed explanation of his or her medical problem to determine if the presentation is typical of the problem D) Establishing whether the client's anxiety preceded the medical problem or whether the medical problem appeared first