Correct Answer: A

Rationale: The word UBIQUITOUS means something that is found everywhere or is very common. Therefore, the correct meaning for ubiquitous is 'widespread'. 'Miniscule' means very small, 'invalid' means not valid or acceptable, and 'unit' refers to a single entity or component, making them incorrect choices in the context of the word ubiquitous.

Correct Answer: B

Rationale: The correct answer is B: 'Measures contributing to cleanliness and good health.' Hygiene encompasses practices that promote cleanliness and overall good health, such as washing hands, maintaining personal hygiene, and keeping the surroundings clean. Choice A has been revised to 'General cleanliness and good health practices' to better reflect the concept of hygiene. Hygiene goes beyond just cleanliness to include specific measures for maintaining health. Choice C is incorrect as hygiene is not specifically related to dietary health; it is more about cleanliness and health practices. Choice D is incorrect as hygiene is not a type of infection; it is about preventing infections through proper practices.

Correct Answer: B

Rationale: The correct answer is B: 'Activate.' Instigate means to initiate or provoke a particular event or action. Choice A, 'Deactivate,' is incorrect as it means to make something inactive, which is the opposite of instigate. Choice C, 'Suppress,' is incorrect as it means to restrain or prevent something, not to initiate it. Choice D, 'Evaluate,' is incorrect as it means to assess or judge the value or quality of something, not to start or provoke it.

Correct Answer: A

Rationale: The correct answer is A: 'patient.' The correct spelling should be 'patient.' 'Physician,' 'sodium,' and 'recommended' are all spelled correctly. 'Physician' refers to a medical doctor, 'sodium' is a chemical element, and 'recommended' is the past tense of the verb 'recommend.' Therefore, the misspelled word in the sentence is 'patient.'

Correct Answer: B

Rationale: AEGIS is synonymous with protection, sponsorship, or support. Respectability aligns with this notion as it relates to being socially acceptable or esteemed, which can be seen as a form of protection or favorable regard. 'Relationship' (Choice A) does not capture the protective or supportive aspect of AEGIS. 'Ramifications' (Choice C) and 'Responsibility' (Choice D) are not synonyms for AEGIS. They do not convey the sense of protection or support associated with it.