Explanation/Reference:
Explanation:
(A) Partial thromboplastic time measures activity of thromboplastin, which depends on the intrinsic clotting factors deficient in children who are hemophiliacs. (B) Platelet counts are normal in hemophilia. (C) Hemophilia does not affect the complete blood count. (D) Bleeding times are normal in hemophiliacs. They measure the time interval for the bleeding from small superficial wounds to cease.

Explanation
(A) The Sims' position is the best position for assessment of the perineum and anus. The top leg is placed over the bottom leg, and the RN raises the upper buttocks to fully expose the perineum and anus. (B) Fowler's position is a sitting position, and the perineum and anus would not be exposed. (C) The prone position would have the mother on her back, and her perineum and anus would not be exposed. (D) The position of choice should always be the Sims'.

Explanation
(A) Hepatitis C and B may result in chronic liver disease. Hepatitis A has a low potential for chronic liver disease. (B) Hepatitis C and B have insidious onsets. Hepatitis A has an abrupt onset. (C) Incubation periods are as follows: hepatitis C is 2-26 weeks, hepatitis B is 6-20 weeks, and hepatitis A is 2-6 weeks. (D) Only hepatitis B has an effective vaccine.

Explanation
(A) Clients with Parkinson's disease generally experience stiffness and rigid movement. (B) Pill-rolling movements are a symptom experienced by the Parkinson client. (C) Twitching of the muscles is not an expected symptom of Parkinson's disease. (D) Parkinson's disease does not cause joint pain. Mild muscular pain may be present.

Explanation
(A, B, C) The last request from the husband overrides the decision not to initiate resuscitation efforts. (D) The nurse should begin cardiopulmonary resuscitation unless a living will and durable power of attorney are in force. In the meantime, the nurse should talk with the husband and notify the doctor.