Correct Answer: B

Rationale: The correct answer is 'B: Disregard.' Contravene means to violate or disregard rules or orders. In this context, the question is asking whether the interns went against or disobeyed the doctor's orders. Choices 'A: Follow,' 'C: Exceed,' and 'D: Respect' do not align with the meaning of contravene in this context. Following, exceeding, or respecting the doctor's orders would mean the interns did not contravene them.

Correct Answer: B

Rationale: The correct answer is B: 'Straightforward.' Guileless means innocent, sincere, and without deceit. It describes someone who is honest and straightforward in their actions and speech. Choices A, C, and D are incorrect. 'Deceptive' means misleading or dishonest, 'Complex' means having many intricate parts, and 'Untrustworthy' means not reliable or trustworthy, all of which are opposite in meaning to guileless.

Correct Answer: B

Rationale: A contraindication is a specific situation in which a drug, procedure, or treatment should not be used because it may be harmful. Choice A is incorrect because a contraindication advises against performing an action. Choice C is incorrect as it refers to a precaution regarding side effects rather than a reason not to proceed. Choice D is incorrect because a contraindication does not advise the use of something.

Correct Answer: B

Rationale: Consistency refers to the degree of viscosity of a fluid, indicating how thick or thin it is. Viscosity is the resistance of a fluid to flow, and it determines its consistency. Choices A, color, C, taste, and D, smell, are not related to consistency. Color, taste, and smell are sensory attributes that do not define the physical property of consistency in fluids.

Correct Answer: B

Rationale: The correct answer is B: 'Likely to occur soon.' 'Impending' is used to describe something that is about to happen or is looming in the near future. Choices A, C, and D are incorrect because 'Impending' does not indicate that something is unlikely, certain to never occur, or likely to never occur.