Correct Answer: D

Rationale: The correct answer is D, the Dental squad. This squad is specifically composed of a dental officer, dental specialist, x-ray specialist, laboratory specialist, and necessary equipment. The other choices, A, B, and C, do not include the specific group of specialists mentioned in the question. Therefore, they are incorrect. The Treatment squad may involve a broader range of medical professionals, while the Area support squad and Medical service squad focus on different aspects of healthcare support not related to the dental field.

Correct Answer: A

Rationale: The correct answer is A: 'Managing patients' legal affairs.' Practical nurse management responsibilities are typically categorized into managing work center operations, managing personnel, and overseeing patient care. Legal affairs management is not a standard responsibility for practical nurse management. Choice B is incorrect as it introduces information about the hypothalamus, which is unrelated to the question. Choice C and D are both common areas of concern in practical nurse management, involving the operations of the work center and managing personnel, respectively.

Correct Answer: D

Rationale: The correct answer is D: Dry, brittle hair. Dry, brittle hair is a common sign of malnutrition, often seen in clients with anorexia nervosa. Preoccupation with calories (choice A) is more related to the psychological aspect of anorexia rather than a physical finding. Thick body hair (choice B) is not typically associated with anorexia nervosa. A sore tongue (choice C) can be seen in conditions like vitamin deficiencies or oral health issues but is not specific to anorexia nervosa.

Correct Answer: D

Rationale: The automated data processing systems in the medical C4I headquarters play a crucial role in maintaining patient accountability by tracking patient movement and aiding in the management of health service logistics systems. Therefore, the correct answer is D. Option A is incorrect because the systems do more than just maintaining patient accountability. Option B is incorrect as it focuses solely on tracking patient movement, missing the broader scope. Option C is also incorrect as it only addresses the management of health service logistics systems and overlooks the other functionalities provided by the systems.

Correct Answer: B

Rationale: The correct answer is B: Vitamin K. Warfarin inhibits the action of vitamin K, which is essential for blood clotting. By interfering with the production of certain clotting factors, warfarin helps prevent blood clots. Choices A, C, and D are incorrect because warfarin primarily affects the vitamin K-dependent clotting factors and not platelets, calcium, or vitamin B12.