The patient informs the nurse that he has been having difficulty reading the newspaper because his eyes are un able to focus on the words on the page. The nurse is aware that the ability of the eye to focus and refocus is called:
A) Enucleation
B) Papilledema
C) Accommodation
D) Astigmatism
Ans: C
Feedback: Accommodation is the process whereby the eye adjusts for near distance by changing the curvature of the lens to focus a clear image of the retina.
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The results of a client's arterial blood gas sample reveal an oxygen level of 72 mmHg. For which associated health problem should the nurse assess this client?
A) Communication B) Perfusion C) Fluid and electrolyte imbalance D) Cognition
Patients with preoperative disorders put them at risk during recovery. The nurse should be aware of disorders that may pose this hazard, which are (select all that apply):
1. diabetes. 2. warfarin therapy. 3. fungal skin infection. 4. hepatitis C. 5. COPD.
The charge nurse asks the new vocational nurse to start an intravenous infusion. Because the vocational nurse has not been taught this skill during her educational program, the vocational nurse should:
a. ask a more experienced nurse to demon-strate the procedure. b. look up the procedure in the procedure manual. c. attempt to perform the procedure with su-pervision. d. inform the charge nurse of her lack of training in this procedure.
What are the fluid compartment consequences of isotonic overhydration?
A. ECF compartment volume contracts, ICF volume contracts B. ECF compartment volume contracts, ICF volume remains the same C. ECF compartment volume expands, ICF volume contracts D. ECF compartment volume expands, ICF volume remains the same