Which portion of the eye makes it possible for a person to see in a darkened environment?
a. Macula
b. Rods
c. Cones
d. Optic nerve
B
The eye uses rods to accommodate to dim light. Cones are the color receptors, the optic nerve transmits all sensory input from the eye to the brain, and the macula is an oval-shaped yellow spot near the center of the retina that mediates clear, detailed vision.
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The nurse is planning the care of an adolescent with anorexia nervosa. What characteristic(s) cause this disorder? (Select all that apply.)
a. Discomfort relative to emerging sexuality b. Fear of intimacy c. Pervasive high self-esteem d. Egocentricity e. Inability to meet developmental needs
A patient is 2 weeks past the delivery date of her baby. Her physician has admitted her into the hospital to induce her delivery. The nurse would expect to administer what drug of choice for the induction of labor?
1. Ergonovine 2. Methylergonovine 3. Oxytocin 4. Clomiphene
A patient with chronic congestive heart failure has repeated hospitalizations in spite of ongoing treatment with hydrochlorothiazide (HydroDIURIL) and digoxin
The prescriber has ordered spironolactone (Aldactone) to be added to this patient's drug regimen, and the nurse provides education about this medication. Which statement by the patient indicates understanding of the teaching? a. "I can expect improvement within a few hours after taking this drug." b. "I need to stop taking potassium supplements." c. "I should use salt substitutes to prevent toxic side effects." d. "I should watch closely for dehydration."
A patient is coded red after a mass casualty accident. What care should the nurse provide to this patient?
A. Permit the family to be with the patient as death approaches. B. Evaluate the patient in the next few hours. C. Send the patient home. D. Immediately evaluate this patient.