Correct Answer: B

Rationale: The correct answer is B, 'Vague.' Nebulous means something that is vague or unclear. Choice A, 'Clear,' is incorrect as it represents the opposite meaning of nebulous. Choice C, 'Precise,' is incorrect as it denotes clarity and exactness, which is the opposite of nebulous. Choice D, 'Obvious,' is also incorrect as it implies something that is easily understood or seen, unlike nebulous which refers to something unclear or hazy.

Correct Answer: B

Rationale: A device is defined as a tool or piece of equipment designed to serve a specific purpose. It is used to perform a particular function or task. An idea or concept (Choice A) may lead to the creation of a device, but they are not devices themselves. Choice C, referring to a small part of a larger structure, does not encompass the general definition of a device which implies standalone functionality. Choice D, an accessory for fashion, is entirely unrelated to the usual understanding of a device, which focuses on functionality rather than aesthetics.

Correct Answer: A

Rationale: When sugar is added to coffee, it not only becomes sweet but also 'fattening' due to the extra calories added. The term 'fattening' specifically refers to the potential weight gain associated with consuming sugary drinks. Choices B, C, and D do not accurately describe the impact of adding sugar to coffee. 'Healthy' is incorrect because adding sugar typically does not make a beverage healthier. 'Rich' and 'flavorful' may suggest taste qualities but do not address the caloric impact of sugar.

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.

Correct Answer: B

Rationale: Medial means toward the midline of the body. In anatomical terms, 'medial' refers to positions closer to the midline of the body, which divides the body into left and right halves. Choice A is incorrect as it describes 'lateral,' which means away from the midline. Choice C is incorrect as it describes 'lateral' or 'side.' Choice D is incorrect as it describes 'inferior,' which means below or lower in position.