Nokea
An adolescent client will receive Depo-Provera as a method of birth control. She asks the nurse how long the drug will be effective. What is the best response by the nurse?
- A. 2 months
- B. 6 months
- C. 1 year
- D. 3 months
Correct Answer: D
Rationale: Depo-Provera, a progestin injection, provides contraception by inhibiting ovulation for 3 months , requiring re-administration every 12 weeks. This duration is based on its pharmacokinetic profile, ensuring reliable hormone levels. Two months underestimates, risking unprotected gaps. Six months or 1 year overestimate, reducing efficacy mid-cycle. The nurse's accurate response (D) educates the client on timing, ensuring adherence and preventing unintended pregnancy, aligning with clinical standards for injectable contraceptives.
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A nurse is providing administration instruction to the wife of a client going home on intermittent enteral nutrition. Which information should the nurse include?
- A. Clean the equipment between each feeding administration
- B. Once mixed, enteral feeding should hang no more than 8 hours
- C. Refrigerate any feeding that is not needed for a feeding
- D. Keep the area around the insertion site clean
Correct Answer: A
Rationale: Cleaning equipment between each enteral feeding is vital to prevent bacterial contamination, as residual formula can foster microbial growth, risking infections like gastroenteritis in a client already nutritionally compromised. While limiting hang time is important, evidence suggests a 4-hour maximum, not 8, to minimize spoilage-though this isn't the focus here. Refrigerating unused feeding preserves its integrity, preventing degradation or bacterial proliferation, which is critical for safety. Keeping the insertion site clean reduces infection risk at the tube entry, a common complication in enteral therapy. Cleaning equipment stands out as a proactive step the wife can take between feedings, directly impacting hygiene and client safety, whereas other points address storage or site care, which, while essential, are secondary to the immediate post-feeding action of equipment maintenance in this context.
Which of the following is NOT an opioid or NSAID?
- A. Morphine
- B. Ibuprofen
- C. Hydromorpho
- D. Acetaminoph en
Correct Answer: D
Rationale: Acetaminophen is not an opioid or NSAID. It is a pain reliever and fever reducer, but it works in a different way compared to opioids and NSAIDs. Unlike opioids, acetaminophen does not have the same risk of physical dependence or addiction. And unlike NSAIDs, acetaminophen does not have anti-inflammatory properties. It is often used for mild to moderate pain relief and as a fever reducer. Be cautious when taking acetaminophen, as high doses can be harmful to the liver.
If you inject a drug with a pH of 6.5 and pka of 8.1 into a tissue with a pH of 7.4, to what extent would you expect this drug to be ionized in the tissue?
- A. over 50%
- B. 50%
- C. under 50%
- D. 100%
Correct Answer: A
Rationale: The percentage of ionization of a weak acid or base can be estimated using the Henderson-Hasselbalch equation:
The nurse manages care for several clients receiving hormone replacement therapy (HRT). What will the priority assessment by the nurse include as related to side effects?
- A. Pain in the calf
- B. Decreased libido
- C. Low-back pain
- D. Chronic fatigue
Correct Answer: A
Rationale: HRT increases clotting risk, making calf pain a priority due to potential DVT, a life-threatening side effect. Libido , back pain , and fatigue are less urgent. A ensures safety, aligning with HRT risks, making it the priority.
A 59-year-old man with a history of depression cuts his wrists in a suicide attempt. He is brought to the local emergency department for care. He has bilateral medial 3-cm lacerations through the skin and subcutaneous tissues that will require sutures. A review of his prior medical history indicates an allergy to 2% lidocaine. The most likely explanation for this is which of the following?
- A. Allergic
- B. Mast cell mediated
- C. Neurogenic
- D. Psychogenic
Correct Answer: A
Rationale: Lidocaine allergy causing an issue with suturing suggests an allergic reaction , likely IgE-mediated (overlapping with B, but A is broader). Neurogenic , psychogenic , and vascular (E) don't fit. True local anesthetic allergies are rare but explain this history.