Correct Answer: D

Rationale: The correct answer is D. The nurse should instruct the client to avoid using deodorants, powders, or creams on the day of the mammogram. These products used in the axillary or breast area can interfere with the mammogram results and must be washed off before the test. Choices A, B, and C are incorrect because mammography typically takes less than 30 minutes, there is no need for fasting before the test, and some discomfort may be experienced during the procedure.

Correct Answer: B

Rationale: The correct answer is B. Kussmaul respirations indicate a worsening of chronic kidney disease (CKD). The client is increasing the rate and depth of breathing to excrete carbon dioxide through the lungs, a compensatory mechanism for metabolic acidosis common in CKD. Hypertension, as in choice A, is a common finding in CKD due to volume overload and activation of the renin-angiotensin-aldosterone system. Skin itching, as in choice C, is related to calcium-phosphate imbalances seen in CKD. Halitosis and stomatitis, as in choice D, are common in CKD due to uremia, leading to the formation of ammonia. However, Kussmaul respirations indicate a more urgent need for assessment as they suggest impending respiratory distress and metabolic derangement, requiring immediate attention.

Correct Answer: D

Rationale: The correct answer is D. Applying pressure to both carotid arteries at the same time is contraindicated. Excess pressure to the baroreceptors in the carotid vessels could cause the heart rate and blood pressure to reflexively drop. Palpating both carotid pulses simultaneously could also interfere with the flow of blood to the brain, possibly causing dizziness and syncope. Choices A, B, and C are incorrect. It is necessary to use both hands to measure the carotid pulse accurately. Feeling dual pulsations does not lead to an incorrect measurement, and palpating both carotid pulses simultaneously does not occlude the trachea.

Correct Answer: D

Rationale: Clients with PKD commonly present with flank pain and increased abdominal girth due to abdominal distention caused by cysts. Bloody urine is also a common symptom due to tissue damage from PKD. Nocturia and dysuria are not typical manifestations of PKD. Constipation is not directly associated with PKD. Therefore, the correct choices are flank pain and increased abdominal girth, making option D the correct answer.

Correct Answer: B

Rationale: The characteristic that distinguishes sulfonamides from other drugs used to treat bacterial infections is that sulfonamides are synthetic compounds, not derived from biologic substances. Choice A is incorrect because sulfonamides are bacteriostatic, not bactericidal. Choice C is incorrect because sulfonamides do not have antifungal and antiviral properties. Choice D is incorrect because sulfonamides act by inhibiting bacterial synthesis of folic acid, not increasing it.