Nursing Elites

1. What is the pH of a solution with a hydrogen ion concentration of \(1 \times 10^{-9}\) M?

• A. 5
• B. 7
• C. 9
• D. 11

Correct answer: c

Rationale: The pH is calculated as the negative logarithm (base 10) of the hydrogen ion concentration. In this case, \(-\log(1 \times 10^{-9}) = 9\).

2. Which of the following is the main function of the liver?

• A. To produce bile, which helps digest fats
• B. To store energy in the form of glycogen
• C. To produce proteins that help to clot blood
• D. To detoxify harmful substances in the body

Correct answer: D

Rationale: Rationale: A) The liver does produce bile, which helps in the digestion of fats, but this is not its main function. Bile is stored in the gallbladder and released into the small intestine to aid in the digestion and absorption of fats. B) While the liver does store energy in the form of glycogen, this is not its main function. Glycogen is a form of glucose storage that can be broken down into glucose when the body needs energy. C) The liver does produce proteins that help to clot blood, such as fibrinogen and prothrombin, but this is not its main function. These proteins are essential for the blood clotting process to prevent excessive bleeding. D) The main function of the liver is to detoxify harmful substances in the body. The liver processes and removes toxins, drugs, alcohol, and other harmful substances from the bloodstream, making them less harmful and

3. Two cars with different masses collide head-on. Which car experiences a greater change in momentum?

• A. The car with the larger mass
• B. The car with the smaller mass
• C. Both cars experience the same change in momentum
• D. It depends on the initial velocities of the cars

Correct answer: B

Rationale: The car with the smaller mass. Although momentum is conserved in the collision, the change in momentum is inversely proportional to mass. Therefore, the car with the smaller mass will experience a larger relative change.

4. Julius stresses the importance of promoting ‘esprit d corps’ among the members of the unit.

• A. “Let’s work together in harmony; we need to be supportive of one another”
• B. “In order that we achieve the same results; we must all follow the directives of Julius and not
• C. “We will ensure that all the resources we need are available when needed.”
• D. “We need to put our efforts together in order to raise the bar of excellence in the care we

Correct answer: D

Rationale: The correct answer is D because it emphasizes the idea of collective effort and striving for excellence, which aligns with promoting 'esprit de corps' - a sense of unity and camaraderie among group members. By working together and combining their efforts, the unit can enhance the quality of care they provide. This fosters a positive team spirit and encourages collaboration. The other options do not directly address the concept of 'esprit de corps' or the importance of unity and teamwork within the group.

5. Which verb tense is most appropriate for this sentence: "By next week, _____ finished the project."

• A. I will be finishing
• B. I will have finished
• C. I am finishing
• D. I would finish

Correct answer: B

Rationale: Option B expresses a future event completed before another future point in time (next week).

6. Chyle, a milky white fluid, is transported by lymphatic vessels from the:

• A. Lungs
• B. Intestines
• C. Kidneys
• D. Skin

Correct answer: B

Rationale: The correct answer is B: Intestines. Chyle is a milky white fluid that is formed in the small intestine during digestion, mainly from the absorption of dietary fats. It is rich in fats and lymphocytes. Lymphatic vessels in the intestines, called lacteals, absorb the chyle and transport it through the lymphatic system. Chyle eventually enters the bloodstream via the thoracic duct. The lungs are responsible for gas exchange, not the transport of chyle. The kidneys are involved in filtering blood and producing urine. The skin is the body's largest organ responsible for protection, temperature regulation, and sensation, but it is not involved in transporting chyle.

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