Correct Answer: B

Rationale: Crohn's disease is characterized by nonbloody diarrhea of usually not more than four to five stools daily. Over time, the diarrhea episodes increase in frequency, duration, and severity. Chronic constipation (Choice A), constipation alternating with diarrhea (Choice C), and stool constantly oozing from the rectum (Choice D) are not characteristics typically associated with Crohn's disease.

Correct Answer: C

Rationale: To accurately assess for jaundice in a patient with dark skin pigmentation, the nurse should examine the hard palate of the mouth. Jaundice is best assessed in the sclera; however, in dark-skinned patients, normal yellow pigmentation may be present in the sclera, making it difficult to detect jaundice. Inspection of the hard palate for a yellow color can confirm the presence of jaundice. Cyanosis is best observed in the nail beds, not indicative of jaundice. While skin on the palm of the hand can indicate jaundice, the back of the hand is not a typical area for assessment. Jaundice can be assessed on the soles of the feet in dark-skinned patients, but it is better visualized in the hard palate for accurate evaluation.

Correct Answer: C

Rationale: Murphy's sign is described as pain elicited on deep inspiration when the examiner's fingers are placed under the right costal margin.

Correct Answer: B

Rationale: Obesity, constipation, and intestinal obstruction can all lead to increased abdominal pressure, which in turn can cause a hiatal hernia.

Correct Answer: B

Rationale: Iodine compounds used as radiographic contrast agents, such as iopanoic acid (Telepaque), should not be administered to the client with iodine and seafood allergies because anaphylaxis may occur.