What word describes a trip to Hawaii that a vacationer felt was too short?

In this context, the word "adherence" means following or complying with something, in this case, the medication schedule.

The nurse instructed the patient that strict adherence to the medication schedule was essential, meaning that it was important for the patient to follow the schedule closely and without deviation. The option "stringent" means strict or rigorous, which aligns with the meaning in the sentence. The options "daily," "weekly," and "nominal" do not accurately reflect the intended meaning of the word "adherence" in this context.

The term "mélange" refers to a mixture or combination of different elements, in this case, different genres of music. It suggests that the person's music collection consists of a diverse blend or assortment of music styles ranging from punk rock to classic. The options "cacophony," "relevant," and "theoretical" do not accurately capture the idea of a diverse music collection with various genres.

In this context, "labile" refers to the patient's condition being unstable or prone to rapid and unpredictable changes.

The sentence suggests that the patient's health or medical status is fluctuating, and as a result, the nurses were instructed to closely monitor him. The word "labile" is often used in a medical context to describe a condition or state that is variable and can change quickly. Therefore, option B, "Rapidly changing," is the correct answer.

Convex.

The term "concave" refers to a surface or shape that curves inward or is rounded inward, like the inside of a bowl. In the context of the sentence, it indicates that the child's chest had a shape that was curved inward rathe r than being flat or rounded outward. The opposite of concave is convex, which means curved outward or bulging.

Therefore, option B, "Convex," is the correct answer.