Correct Answer: D

Rationale: The correct answer is D: Wheezing. Anaphylaxis is a severe allergic reaction that can lead to airway constriction and difficulty breathing, resulting in wheezing. Wheezing is a common symptom of anaphylaxis due to bronchospasm and airway swelling. Dermatitis (A) is a skin reaction, sinusitis (B) is inflammation of the sinuses, and delirium (C) is a state of mental confusion, which are not typical symptoms of anaphylaxis. Wheezing is a critical symptom in anaphylaxis as it indicates potential airway compromise and the need for immediate medical intervention.

Correct Answer: A

Rationale: Correct Answer: A Rationale: 1. Lymphangitis is an inflammation of lymphatic vessels. 2. If the affected area appears to enlarge, it indicates possible worsening or spreading of the infection. 3. Nurse should notify the physician for further evaluation and treatment. 4. Red streaks extending up the arm or leg (B) are common signs of lymphangitis, not necessarily requiring immediate physician notification. 5. Additional lymph nodes becoming (C) is a normal response to infection and may not warrant immediate physician notification. 6. Liver and spleen enlargement (D) are not directly related to lymphangitis and do not require immediate notification.

Correct Answer: B

Rationale: The correct answer is B: 45-year old woman who has never been pregnant. This client has the highest risk of ovarian cancer due to nulliparity, which is a known risk factor. Women who have never been pregnant have a higher risk of developing ovarian cancer compared to those who have had children. Other choices are incorrect because contraceptives actually reduce the risk of ovarian cancer, having children can slightly decrease the risk, and having a child at a young age does not increase the risk significantly.

Correct Answer: C

Rationale: The correct answer is C because a lack of response to intradermal anergy testing suggests an inability to mount a normal delayed-type hypersensitivity response, indicating immunodeficiency. This could be due to conditions such as HIV, which impairs cell-mediated immunity. Choice A is incorrect because absence of reaction does not necessarily indicate lack of previous exposure to antigens. Choice B is incorrect as the absence of response doesn't confirm the presence of antibodies. Choice D is incorrect because anergy testing is not used to assess allergy, but rather to evaluate cell-mediated immunity.

Correct Answer: B

Rationale: The correct answer is B: "Take ferrous sulfate and the antacid at least 2 hours apart." Rationale: 1. Iron absorption is decreased in the presence of antacids due to decreased gastric acidity. 2. Antacids can bind to iron and reduce its absorption. 3. Taking them 2 hours apart allows for optimal iron absorption without interference from the antacid. 4. Taking them together (choice A) would decrease iron absorption. 5. Avoiding antacids altogether (choice C) may not be necessary if spaced apart appropriately. 6. Taking them 1 hour apart (choice D) may still lead to decreased iron absorption due to antacid interference.