Correct Answer: C

Rationale: Elevating the scrotum with a rolled washcloth helps reduce edema by promoting fluid drainage. Ice packs are not recommended due to the risk of frostbite, and warm moist packs are not typically used for this purpose. An upright position does not specifically address the edema.

Correct Answer: A

Rationale: Cystitis is the medical term for inflammation of the bladder. Urethritis refers to inflammation of the urethra, urosepsis to a systemic infection stemming from the urinary tract, and bacteriuria to the presence of bacteria in the urine.

Correct Answer: B

Rationale: Signs of kidney transplant rejection include fever, diminished urinary output, and swelling/tenderness in the graft area. These symptoms indicate that the body may be rejecting the transplanted organ, requiring immediate medical attention.

Correct Answer: B

Rationale: The most effective method to prevent infection in newborns is by practicing proper hand hygiene by staff and family. This is crucial as it helps reduce the transmission of infectious agents, protecting vulnerable newborns. Using disposable items may help, but proper hand hygiene is more effective. Administering prophylactic antibiotics without a specific indication can lead to antibiotic resistance and is not recommended. Isolating the newborn from others is not practical and may not be necessary if proper hand hygiene is maintained.

Correct Answer: B

Rationale: The weight loss is most likely due to the reduction of edema, as glomerulonephritis often causes fluid retention that resolves with treatment, leading to significant weight loss.