(A)
Vital signs may be altered if there is acute pain or complications related to bleeding or swelling, but they should not be assessed before checking the affected extremity. (B) The extremity will be elevated if ordered by the doctor. (C) Assessment of the postoperative area is important to determine if bleeding, swelling, or decreased circulation is occurring.
(D)
Reinforcement of teaching on use of the client-controlled analgesic pump is important, but not the first action.

Explanation/Reference:
Explanation:
(A) Decreased or absent breath sounds are frequently indicators of postoperative atelectasis. (B) Arterial blood gases are not indicated because there is no other information indicating impendingdanger. (C) Increasing O2 rate is not indicated without additional information. (D) Removing the dressing is not indicated without additional information.

Explanation
(A) Oral poliovirus vaccine is given to prevent polio. Polio is transmitted by direct contact with an infected person. (B) Inactivated poliovirus vaccine is given to adults and immunosuppressed individuals. Polio is transmitted by direct contact with an infected person. (C) Tetanus toxoid prevents tetanus. Tetanus is transmitted through contaminated wounds. (D) Hepatitis B vaccine prevents hepatitis B infection. Hepatitis B is transmitted through contact with infected blood or body fluids.

Explanation
(A) Catheter site care is to be done at least twice daily to prevent pathogen growth at the catheter insertion site.
(B) Catheter drainage bags are usually emptied every 8 hours to prevent urine stasis and pathogen growth. (C) Tubing and collection bags are not changed this often, because research studies have not demonstrated the efficacy of this practice. (D) Fluid intake needs to be in the 2000-2500 mL range if possible to help irrigate the bladder and prevent infection.

Section: Questions Set B
Explanation:
(A) Before giving any emetic, the substance ingested must be known. (B) At least 8 oz of water should be administered along with ipecac syrup to increase volume in the stomach and facilitate vomiting. (C) Water alone will not induce vomiting. An emetic is necessary to facilitate vomiting. (D) Vomiting should never be induced in an unconscious client because of the risk of aspiration.