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A nurse is preparing to administer penicillin G benzathine 1.2 million units IM now. The amount available is penicillin G benzathine 600,000 units/mL. How many mL should the nurse administer?
- A. 2 mL
- B. 1 mL
- C. 3 mL
- D. 4 mL
Correct Answer: A
Rationale: Formula: volume = dose / concentration. 1,200,000 units / 600,000 units/mL = 2 mL. Other options result from incorrect division or rounding errors.
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When assessing a woman in her first trimester, which emotional response would the nurse most likely expect to find?
- A. Ambivalence
- B. Emotional lability
- C. Introversion
- D. Acceptance
Correct Answer: B
Rationale: Emotional lability, with mood swings, is common in the first trimester due to hormonal shifts and stress. Ambivalence may occur if unplanned, introversion is a trait, and acceptance develops later.
On the first prenatal visit, an examination of the woman's internal genitalia reveals a bluish coloration of the cervix and vaginal mucosa. The nurse documents this finding as:
- A. Chadwick's sign
- B. Goodell's sign
- C. Hegar's sign
- D. Homan's sign
Correct Answer: A
Rationale: Chadwick's sign is bluish discoloration of the cervix and vagina from increased blood flow, seen early in pregnancy. Goodell's is cervical softening, Hegar's is uterine softening, and Homan's indicates thrombosis, not pregnancy.
A nurse suspects that a pregnant client may be experiencing placenta abruption based on which finding? Select all that apply.
- A. Absence of pain
- B. Insidious onset
- C. Dark red vaginal bleeding
- D. Rigid uterus
- E. Absent fetal heart tones
Correct Answer: C,D,E
Rationale: Placental abruption involves sudden separation of the placenta, causing severe pain, a rigid uterus from bleeding, dark red vaginal bleeding due to clotted blood, and absent fetal heart tones if the fetus is compromised. Absence of pain and insidious onset are not typical, as abruption is acute and painful.
While talking with a pregnant woman who has undergone genetic testing, the woman informs the nurse that her baby will be born with Down syndrome. The nurse understands that Down syndrome is an example of:
- A. Trisomy numeric abnormality
- B. Multifactorial inheritance
- C. X-linked recessive inheritance
- D. Chromosomal deletion
Correct Answer: A
Rationale: Down syndrome is caused by trisomy 21, an extra chromosome 21, a numeric abnormality. Multifactorial inheritance involves genes and environment, X-linked affects males primarily, and deletions miss chromosome parts, none fitting Down syndrome.
When assessing a woman in her first trimester, which emotional response would the nurse most likely expect to find?
- A. Ambivalence
- B. Emotional lability
- C. Introversion
- D. Acceptance
Correct Answer: B
Rationale: Emotional lability is typical in the first trimester from hormonal changes causing irritability or crying. Ambivalence is less common unless conflicted, introversion isn't pregnancy-specific, and acceptance grows over time.