Nursing Elites

1. Which of the following is a characteristic property of acids?

• A. Sour taste
• B. Bitter taste
• C. Reacts with bases
• D. Slippery feel

Correct answer: A

Rationale: The correct answer is 'A: Sour taste.' Acids are known to have a sour taste, which is a fundamental characteristic property of acids. This taste distinguishes acids from bases, which are more likely to have a bitter taste. The sour taste of acids is due to the presence of hydrogen ions in them. Therefore, when identifying an acid based on taste, the sour taste serves as a key indicator. Choices B, C, and D are incorrect. Bitter taste is associated with bases, not acids. While acids do react with bases (Choice C), this is not a characteristic property of acids but rather a chemical behavior. Slippery feel (Choice D) is a property of bases, not acids.

2. What is the main difference between a reversible and irreversible process in thermodynamics?

• A. Reversible processes involve heat transfer, while irreversible processes do not.
• B. Reversible processes occur instantaneously, while irreversible processes take time.
• C. Reversible processes can be run in both directions with the same outcome, while irreversible processes cannot.
• D. Reversible processes violate the first law of thermodynamics.

Correct answer: C

Rationale: A reversible process is an idealized process that can be reversed without leaving any change in either the system or the surroundings. In contrast, irreversible processes cannot be reversed and often involve entropy production or dissipation. Choice A is incorrect because both reversible and irreversible processes can involve heat transfer. Choice B is incorrect as the speed of a process does not determine its reversibility. Choice D is incorrect because reversible processes do not violate the first law of thermodynamics; they comply with it by maintaining a balance between energy inputs and outputs. Therefore, the correct answer is C, as it accurately captures the main difference between reversible and irreversible processes in thermodynamics.

3. Identify the sentence with a misplaced modifier.

• A. The child found a dollar walking to school
• B. Walking to school, the child found a dollar
• C. The teacher found a note after class
• D. After class, the teacher found a note

Correct answer: A

Rationale: The correct answer is A because the phrase 'walking to school' seems to modify 'a dollar,' which is illogical. The intended meaning is that the child found the dollar while walking to school. In sentence B, the modifier is correctly placed at the beginning of the sentence, indicating that the child found the dollar while walking to school. Choices C and D do not contain any misplaced modifiers.

4. What is the meaning of the word 'insidious' in the sentence 'The 'insidious' disease was well established before becoming apparent'?

• A. Sudden
• B. Suffer
• C. Gradual
• D. Graduate

Correct answer: C

Rationale: The correct answer is C: 'Gradual.' In the context provided, 'insidious' describes a disease that develops slowly and harmfully over time, without being easily noticed. Choices A, B, and D are incorrect. 'Sudden' (choice A) means something happening quickly or unexpectedly, 'Suffer' (choice B) means to experience pain or hardship, and 'Graduate' (choice D) means to successfully complete a process or course of study, none of which capture the intended meaning of 'insidious' in this context.

5. What does 'Contour' mean?

• A. Flat area
• B. Shape or outline of something
• C. Volume of a structure
• D. Height of a structure

Correct answer: B

Rationale: The term 'Contour' specifically refers to the shape or outline of something. In art and geography, contours are used to represent the outline or shape of an object or landform, making choice B the correct definition. Choice A, 'Flat area,' is incorrect as it does not capture the essence of contour which is about the shape or outline. Choice C, 'Volume of a structure,' is unrelated to the concept of contour. Choice D, 'Height of a structure,' is also incorrect as contour is more about the shape and not the height of an object.

Similar Questions