单选题 The nurse is caring for a client in the first 4 weeks of pregnancy. The nurse should expect to collect which assessment findings?
A. Presence of menses.
B. Uterine enlargement.
C. Breast sensitivity.
D. Fetal heart tones.

【正确答案】 C
【答案解析】Breast sensitivity is the only sign assessed within the first 4 weeks of pregnancy. Amenorrhea is expected during this time. The other assessment findings don't occur until after the first 4 weeks of pregnancy.