Select the true statement about the bactericidal properties of benzalkonium chloride.
A. It binds to the bacterial DNA, alters its transcription, and causes lethal DNA damage to the bacterial cell.
B. It binds to a receptor on the ribosome and prevents lengthening of the protein chain.
C. It attacks the microorganism membrane at bactericidal concentrations and produces rapid cell leakage.
D. None of these are correct.
Answer: C
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The type 1 diabetic patient has an insulin order for NPH insulin, 35 U, to be given at 7 AM. The patient is also NPO for laboratory work that will not be drawn until 10 AM. The nurse should:
1. give the insulin as ordered. 2. give the insulin with a small snack. 3. inform the charge nurse. 4. hold the insulin until after the blood draw.
The nurse explains that induction therapy for acute lymphocytic leukemia (ALL) is a(n):
a. intensive protocol of chemotherapy in high doses to achieve remission. b. long-term protocol with smaller doses of chemotherapy to achieve a cure. c. 2- to 5-year low-dose chemotherapy re-gimen to reduce painful symptoms. d. combination of chemotherapy and radia-tion to achieve remission.
The nurse records the patient's pulse volume as 2+. This means that the pulse is
a. absent c. normal b. weak and thready d. bounding
A condition that results from the overproduction of growth hormone in an adult is
A. hypergenesis. B. acromegaly. C. osteopathy. D. giantism.