Using a Snellen visual acuity chart, the nurse records that the client's vision is 20/40, meaning that:
a. The client's vision is about two times normal.
b. A client with corrected vision can see a certain line or letters on the chart while wearing glasses or contact lenses.
c. A client with normal vision can see a certain line or letters on the chart at 40 feet.
d. The client can see at 40 feet what a client with normal vision can see at 20 feet.
ANS: C
You might also like to view...
A patient has been prescribed digoxin (Lanoxin) and furosemide (Lasix) for treatment of congestive heart failure. What is the patient at risk for developing with this combination of medications?
A) Hyperkalemia B) Hyperglycemia C) Tachycardia D) Digoxin toxicity
A nurse expects that a patient diagnosed with a deep vein thrombosis (DVT) in her right lower leg will most likely have an order for which method of heat application?
1. Aquathermia pad 2. Sitz bath 3. Hot-water bottle 4. Warming blanket
The person with acute renal failure at first has:
a. Dysuria b. Hematuria c. Oliguria d. Polyuria
Health care workers who have direct patient contact are advised to take the
A) AIDS vaccine. B) hepatitis B vaccine. C) herpes vaccine. D) staphylococcus vaccine.