A client asks the nurse why lung cancers are less sensitive to antineoplastic agents. Which response should the nurse provide the client?
A. "Lung cancer cells have a very erratic cell cycle, and this is why there isn't much difference between the number of replicating and resting cells."
B. "Lung cancer cells have been growing for a long time before detection, so they are less sensitive to antineoplastic agents."
C. "Lung cancer cells have a low growth fraction, which means there isn't much difference between the number of replicating and resting cells."
D. "Lung cancer cells grow in a high-oxygen environment, so they are not very sensitive to antineoplastic agents."
Answer: C
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The physician orders 10 units regular and 40 units NPH insulin subcutaneously. The nurse prepares the injection by:
A) injecting 40 units air into the NPH, 10 units air into the regular, aspirate 10 units of regular, then aspirate 40 units NPH. B) injecting air into the regular, air into the NPH, aspirating the NPH, then aspirating the regular. C) injecting air into the regular, aspirating 10 units regular, injecting air into the NPH, then aspirating 40 units NPH. D) aspirating 10 units regular, then aspirating 40 units NPH.
Ms. N is a hospice client who has had insulin-dependent diabetes mellitus (type 1 diabetes) for many years. The visiting nurse instructs the caregiver to feed Ms. N 30 to 50 g of carbohydrate every 3 hours:
1. To prevent starvation ketosis 2. To promote water excretion 3. To spare fat for weight gain 4. To show a sign of loving care and concern
In a quantitative study, larger samples are more likely to represent the population on the attribute of interest than smaller samples
A) True B) False
A patient is admitted to the hospital with tuberculosis. Which precautions must the nurse institute when caring for this patient?
1) Droplet transmission 2) Airborne transmission 3) Direct contact 4) Indirect contact