Unstable molecules that alter genetic codes and trigger the growth of cancer in cells are called:
a. antioxidants c. herbs
b. free radicals d. phytochemicals
B
Antioxidants are substances such as vitamins C and E, beta-carotene, and selenium, which prevent or inhibit oxidation; they prevent tissue damage related to free radicals, which are unstable molecules that alter genetic codes and can trigger cancer cell growth. Free radicals are also associated with cardiovascular disease.
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When caring for a patient with leg ulcers, the positioning of the legs depends on whether the patient's ulcer is arterial or venous in origin. How should the nurse position a patient who has leg ulcers that are venous in origin?
A) Keep the patient's legs flat without the knees raised. B) Keep the patient's knees at a 45-degree angle. C) Elevate the patient's lower extremities. D) Hang the patient's legs over the side of the bed
When caring for patients with sleep disorders, which activity can the nurse appropriately delegate to unlicensed assistive personnel (UAP)?
a. Interview a new patient about risk factors for obstructive sleep disorders. b. Discuss the benefits of oral appliances in decreasing obstructive sleep apnea. c. Help a patient choose an appropriate continuous positive airway pressure (CPAP) mask. d. Assist a patient to place the CPAP device correctly over the nose and mouth at bedtime.
The process of developing data that do not already exist through interaction with community members is called data:
1. Collection 2. Gathering 3. Generation 4. Interpretation
The physician has torsemide 60 mg oral every morning ordered for a patient with heart failure. The medication is supplied as torsemide 20 mg per tablet. How many tablets of Digitek would the patient receive with each dose? _________
Fill in the blank(s) with correct word