Nursing Elites

1. What is the momentum of a car with a mass of 1500 kg moving at a speed of 20 m/s?

• A. 30,000 kg m/s
• B. 1500 kg m/s
• C. 20 kg m/s
• D. Momentum cannot be determined without knowing the direction of motion.

Correct answer: A

Rationale: The momentum of an object is calculated by multiplying its mass by its velocity. In this case, the momentum of the car can be determined using the formula momentum = mass x velocity. Substituting the given values, momentum = 1500 kg x 20 m/s = 30,000 kg m/s. Therefore, the correct answer is A, 30,000 kg m/s. Choice B (1500 kg m/s) is incorrect because that value represents the mass of the car, not its momentum. Choice C (20 kg m/s) is incorrect as it only represents the speed of the car, not its momentum. Choice D (Momentum cannot be determined without knowing the direction of motion) is incorrect because momentum is a vector quantity and can be determined using magnitude and direction, but in this case, only the magnitude is required.

2. Which of the following examples is a simple sentence?

• A. The man who wore a checked tie.
• B. The man with the checked tie.
• C. The man in the blue pin-striped suit and checked tie looked somewhat out of place at the party.
• D. The man in the blue pin-striped suit looked out of place because of his checked tie.

Correct answer: C

Rationale: The correct answer is sentence C because it is a simple sentence containing only one independent clause. It expresses a complete thought with a subject 'The man in the blue pin-striped suit and checked tie' and a predicate 'looked somewhat out of place at the party.' Choices A, B, and D are not simple sentences. Choice A is a dependent clause as it does not express a complete thought on its own. Choice B is a prepositional phrase and does not form a complete sentence. Choice D is a complex sentence with a dependent clause ('because of his checked tie') along with the independent clause.

3. What is the most effective way to combine the two sentences below?

• A. German cuisine is known for its hearty meat and potato dishes but families often enjoy a rich Sunday dinner of roast meat, potatoes, and cabbage.
• B. German cuisine is known for its hearty meat and potato dishes, but families often enjoy a rich Sunday dinner of roast meat, potatoes, and cabbage.
• C. German cuisine is known for its hearty meat and potato dishes and families often enjoy a rich Sunday dinner of roast meat, potatoes, and cabbage.
• D. German cuisine is known for its hearty meat and potato dishes, and families often enjoy a rich Sunday dinner of roast meat, potatoes, and cabbage.

Correct answer: D

Rationale: The correct answer is D. This choice effectively combines the two sentences with the use of a comma before 'and' to connect the two related but independent clauses. The comma helps to separate the contrasting information about German cuisine and the Sunday dinner, maintaining a clear and coherent structure. Choices A, B, and C are incorrect because they either lack the necessary punctuation or use 'but' instead of 'and,' which disrupts the flow of the combined sentence and fails to convey the intended relationship between the two ideas.

4. In the sentence 'The house was dilapidated,' what effect does the word 'dilapidated' have on the reader's understanding?

• A. Creates a sense of mystery.
• B. Emphasizes the large size of the house.
• C. Suggests the house is in poor condition.
• D. Implies the house is haunted.

Correct answer: C

Rationale: The word 'dilapidated' specifically describes the deteriorating state of the house, indicating that it is in poor condition. This choice best reflects the impact the word has on the reader's understanding. Choice A, 'Creates a sense of mystery,' is incorrect as 'dilapidated' does not inherently imply mystery but rather a state of disrepair. Choice B, 'Emphasizes the large size of the house,' is incorrect as 'dilapidated' does not relate to the size but rather the condition. Choice D, 'Implies the house is haunted,' is incorrect as 'dilapidated' does not directly suggest haunting, but only poor maintenance or disuse.

5. Which organelle in the cell is responsible for producing energy in the form of ATP?

• A. Nucleus
• B. Mitochondria
• C. Ribosome
• D. Golgi apparatus

Correct answer: B

Rationale: The correct answer is B: Mitochondria. Mitochondria are known as the powerhouses of the cell and are responsible for producing energy in the form of ATP through cellular respiration. ATP is the primary energy currency of the cell, powering various cellular activities. The nucleus (choice A) is responsible for housing the cell's genetic material but is not involved in ATP production. Ribosomes (choice C) are involved in protein synthesis, not energy production. The Golgi apparatus (choice D) is responsible for modifying, sorting, and packaging proteins for secretion, not for ATP production.

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