(A) A rigid, boardlike abdomen is an assessment finding indicative of placenta abruptio. (B) A cause of postbirth hemorrhage is uterine atony. With placenta previa, uterine tone is within normal range. (C) The placenta is located directly over the cervical os in complete previa. Blood will escape through the os, resulting in the uterus and abdomen remaining soft and relaxed. (D) In placenta abruptio, hypertonicity of the uterus is caused by the entrapment of blood between the placenta and uterine wall, a retroplacental bleed. This does not exist in placenta previa.

(A)
The refrigerated cool mist tent creates a cool, moist environment. The child as well as bedding and clothing may become dampened. Monitoring the temperature of the child will ensure warmth and prevent chilling. (B) Only a low-grade fever is expected in laryngotracheobronchitis. (C) Febrile seizures are not expected with the low-grade fever.
(D)
Inflammation of the mucosal lining in the respiratory tract can cause airway obstruction. However, monitoring the child's temperature would not prevent airway obstruction.

Explanation
(A) Perineal hygiene is a clean procedure and does not require the client to wear gloves. A care provider should wear gloves to adhere to universal precautions. (B) The pad should be applied from front to back to prevent contamination of the birth canal or urinary tract from rectal bacteria. (C) Wiping from front to back and discarding the wipe prevents contamination of the urinary tract and birth canal from rectal bacteria. (D) The inner surface of the pad should not be touched to maintain asepsis.

(A) Cathartic drugs promote evacuation of intestinal contents. (B) The client undergoing intestinal surgery is at increased risk for infection from large numbers of anaerobic bacteria that inhabit the intestines. Administering antibiotics prophylactically can reduce the client's risk for infection. (C) Antibiotics are indicated in the treatment of infections and have no effect on emotions. (D) Antipyretics are useful in the treatment of elevated temperatures. Antibiotics would have an effect on infection, which causes temperature elevation, but would not directly affect such an elevation.

Explanation
(A) A full bladder would cause discomfort and possible urinary incontinence during the exam. (B) The left side-lying position would not accommodate the exam. The head of the exam table or bed can be slightly elevated to prevent supine hypotension. (C) Arms extended over the head would cause the abdomen to be tighter and less easily palpable. (D) Forcing fluids would encourage a full bladder, which is not desired for the exam.