Correct Answer: C

Rationale: Zinc supplementation is often used to manage mucositis in patients receiving chemotherapy. Zinc has been shown to aid in the healing process of mucositis. Vitamin E (Choice A) is not typically used to manage mucositis associated with chemotherapy. Vitamin B12 (Choice B) is essential for nerve function and the formation of red blood cells, but it is not primarily used to manage mucositis. Calcium (Choice D) is important for bone health and nerve function but is not specifically used to manage mucositis.

Correct Answer: C

Rationale: The correct answer is C because a smoked turkey sandwich with celery sticks and unsweetened tea is a healthier option for someone with Type 2 diabetes mellitus. Turkey is a lean protein source, celery sticks are low in calories and carbs, and unsweetened tea is a better choice than sugary beverages. Choices A, B, and D are incorrect. Choice A includes high-carb and high-sugar items like potato chips and diet cola, which are not ideal for diabetes management. Choice B contains a high-carb pizza and milk, which may not be suitable for controlling blood sugar levels. Choice D includes fried onion rings and cola, which are high in unhealthy fats and sugars, making it a poor choice for a diabetic diet.

Correct Answer: A

Rationale: The correct characteristics of anthrax are that cutaneous anthrax causes black eschar lesions, and flu-like symptoms are typical of pulmonary anthrax. Choice B is incorrect because it only includes information about cutaneous anthrax lesions but doesn't cover the flu-like symptoms of pulmonary anthrax. Choice C is incorrect as gastrointestinal anthrax does not cause 'blood anthrax,' it causes symptoms like severe abdominal pain, vomiting, and diarrhea. Choice D is incorrect as flu-like symptoms are associated with pulmonary anthrax, not with gastrointestinal anthrax.

Correct Answer: B

Rationale: In patients with heart failure, a low-sodium diet is most recommended. This type of diet helps manage fluid retention by reducing the amount of sodium in the body. Excess sodium can lead to fluid accumulation, putting additional strain on the heart. High-sodium diets can exacerbate symptoms of heart failure by causing fluid retention and increasing blood pressure. High-fat and low-carbohydrate diets are not specifically recommended for heart failure patients and may not address the underlying issues related to fluid balance and heart function.

Correct Answer: A

Rationale: Nurses typically collect blood specimens from patients as part of their everyday duties in medical settings. They are trained in venipuncture techniques and are responsible for ensuring that blood samples are properly obtained and labeled for diagnostic testing. Medical technologists process and analyze the blood specimens in the laboratory under the direction of a physician. Physicians are not commonly involved in the direct collection of blood specimens. While phlebotomists are specialized professionals trained to draw blood, in many medical settings, nurses perform this task as part of their responsibilities.