Nokea
A nurse is providing prenatal care to a pregnant client. At which time would the nurse expect to screen the client for group B streptococcus infection?
- A. 28 weeks' gestation
- B. 32 weeks' gestation
- C. 16 weeks' gestation
- D. 36 weeks' gestation
Correct Answer: D
Rationale: Screening for group B streptococcus (GBS) is done at 35-37 weeks (36 weeks is closest) to assess colonization status near delivery, guiding intrapartum antibiotic use to prevent neonatal infection. Earlier screening (16, 28, or 32 weeks) may not reflect status at birth, as GBS colonization can change.
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A pregnant woman undergoes a triple/quadruple screen at 16 to 18 weeks' gestation. What would the nurse suspect if the woman's alpha-fetoprotein (AFP) level is decreased?
- A. Sickle-cell anemia
- B. Cardiac defects
- C. Down syndrome
- D. Respiratory disorders
Correct Answer: C
Rationale: Decreased AFP, with altered hCG and estriol, suggests Down syndrome (trisomy 21). Sickle-cell anemia, cardiac defects, and respiratory disorders don't typically lower AFP; cardiac defects may raise it.
A nurse is caring for a client who has an NG tube set to low intermittent suction. The nurse irrigates the NG tube twice with 30 mL of normal saline solution during his shift. At the end of the shift, the NG canister contains 475 mL. What amount of NG drainage should the nurse record?
- A. 415 mL
- B. 475 mL
- C. 445 mL
- D. 430 mL
Correct Answer: A
Rationale: NG drainage = canister fluid (475 mL) minus irrigation (2 x 30 mL = 60 mL) = 415 mL. Recording irrigation fluid as drainage would inflate the output inaccurately.
A nurse is assessing a client who may be pregnant. The nurse reviews the client's history for presumptive signs. Which signs would the nurse most likely note? Select all that apply.
- A. Nausea
- B. Abdominal enlargement
- C. Positive pregnancy test
- D. Braxton Hicks contractions
- E. Amenorrhea
Correct Answer: A,B,C,E
Rationale: Presumptive signs, subjective or non-definitive, include nausea (hormonal), abdominal enlargement (uterine growth), positive pregnancy test (hCG detection), and amenorrhea (missed periods). Braxton Hicks are probable signs, felt later.
A provider prescribes quetiapine 50 mg PO divided equally every 12 hours for 3 days. Available is quetiapine 25 mg tablets. How many tablets should the nurse administer per dose on day 3?
- A. 2 tablets
- B. 1 tablet
- C. 3 tablets
- D. 4 tablets
Correct Answer: B
Rationale: Daily dose (50 mg) ÷ 2 (every 12 hours) = 25 mg per dose. At 25 mg/tablet, 25 mg ÷ 25 mg = 1 tablet per dose, consistent on day 3 as dosing doesn't change.
A nurse is planning a presentation about HIV for a church-based group. Which of the following information about HIV transmission should the nurse include?
- A. It is primarily transmitted through mosquitoes.
- B. It is primarily transmitted through accidental puncture wounds.
- C. It is primarily transmitted through casual contact.
- D. It is primarily transmitted through direct contact with infected body fluids.
Correct Answer: D
Rationale: HIV spreads mainly through direct contact with infected fluids (blood, semen, vaginal fluid), like during sex or needle sharing. Mosquitoes, casual contact, and puncture wounds (rare) aren't primary modes.