Nursing Elites

1. An IV drip delivers medication at a rate of 40 drops per minute. Each drop contains 0.05 milliliters of the medication. How many milliliters of medication are delivered in one hour?

• A. 12 milliliters
• B. 24 milliliters
• C. 60 milliliters
• D. 120 milliliters

Correct answer: B

Rationale: First convert minutes to hours (1 hour * 60 minutes). Then, multiply the number of drops per minute (40 drops/minute) by the volume per drop (0.05 ml/drop) and by the conversion factor (60 minutes/hour) to find the total volume delivered: 40 drops/minute * 0.05 ml/drop * 60 minutes/hour = 24 milliliters.

2. The gradual loss of topsoil due to wind or water erosion is called:

• A. Desertification
• B. Leaching
• C. Salinization
• D. Acidification

Correct answer: A

Rationale: Rationale: A) Desertification refers to the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture practices. The gradual loss of topsoil due to wind or water erosion can lead to the degradation of land and contribute to desertification. B) Leaching is the process by which minerals are washed out of the soil by water moving downwards through it. C) Salinization occurs when salt accumulates in the soil, usually as a result of irrigation in arid regions. D) Acidification refers to the decrease in soil pH, often caused by acid rain or the use of acidic fertilizers.

3. Which sentence uses the present perfect continuous tense correctly?

• A. I have been working on this project since morning.
• B. She has finished the book already.
• C. They will be leaving for vacation tomorrow.
• D. He had been living in the city for ten years.

Correct answer: A

Rationale: Option A emphasizes the ongoing action (working) that started in the past and continues to the present.

4. What is the pH value of a neutral solution?

• A. 0
• B. 7
• C. 14
• D. -7

Correct answer:

Rationale: A neutral solution has a pH of 7. The pH scale ranges from 0 to 14, with 7 being neutral.

5. Urine travels from the kidneys to the bladder through tubes called:

• A. Urethra
• B. Ureters
• C. Renal arteries
• D. Renal veins

Correct answer: B

Rationale: The correct answer is B: Ureters. The ureters are the tubes that carry urine from the kidneys to the bladder. The renal arteries and renal veins are blood vessels that supply and drain blood from the kidneys, respectively. The urethra is the tube that carries urine from the bladder out of the body. Understanding the anatomy of the urinary system is important for grasping how waste is processed and eliminated by the body.

6. The process of mixing two or more substances to form a heterogeneous mixture is called:

• A. Dissolving
• B. Diluting
• C. Mixing
• D. Reacting

Correct answer: C

Rationale: Mixing results in a heterogeneous mixture where the components are physically distinguishable, unlike solutions where everything dissolves uniformly

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