1. Right Answer: A
Explanation: (A) During pregnancy, the potential for thromboses increases owing to the increased levels of coagulation factors and a decrease in the breakdown of fibrin. (B)An inadequate production of platelets would result in thrombocytopenia with resulting signs and symptoms of bleeding such as petechiae, hematuria, or hematemesis. (C) A deficiency of folic acid during pregnancy produces a megaloblastic anemia. It is usually found in combination with iron deficiency. (D) This combination would result in bleeding disorders because more fibrin would be broken down and fewer clotting factors would be available.
2. Right Answer: D
Explanation: (A) Dysuria is not a common symptom of heparin overdose. (B) Although epistaxis and hematuria are common symptoms of heparin overdose, dysuria is not. (C)Vertigo is not a common symptom of heparin overdose. (D) Hematuria, ecchymosis, and epistaxis are the most common signs and symptoms of a heparin overdose. Others are thrombocytopenia, elevated liver enzymes, and local injection site complications.
3. Right Answer: A
Explanation: (A) Mastitis is a bacterial inflammation of the breast tissue found primarily in breast-feeding mothers. The bacteria usually enter the breast through a cracked nipple, or the infection results from stasis of milk behind a blocked duct. (B) With breast engorgement during breast-feeding, there may be marked breast pain.This is not necessarily a sign of infection. (C) Women may become ill during breast-feeding with other bacterial or viral infections that are not related to mastitis.(D) Improper care of the nipples or improper positioning of the infant during breastfeeding may result in cracked or sore nipples.
4. Right Answer: C
Explanation: (A) Her cervical exam is normal. There are no cervical changes at this time. (B) Braxton Hicks contractions may be common throughout pregnancy, but they are not regular. (C) Rhythmical contractions in conjunction with low back pain and pelvic pressure at 32 weeks in a woman carrying triplets are of great concern. She may be in preterm labor. (D) UTIs are common in pregnancy due to the enlarging uterus compressing the ureters and the stasis of urine. The woman would be more likely to complain of urinary frequency and urgency, fever or chills, and malodorous urine with a UTI.
5. Right Answer: C
Explanation: (A) Hematomas, which are the result of damage to a vessel wall without laceration of the tissue, are a cause, though not the most frequent cause. (B) Coagulation disorders are among the causes of postpartal hemorrhage, but they are less common. (C) The most frequent causes of hemorrhage in the postpartal period are related to an interference with involution of the uterus. Uterine atony is the most frequent cause, occurring in the first 24 hours after delivery. (D) Retained placental fragments are also a cause, although these bleeds usually occur 714 days after delivery.
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