Nursing Elites

1. What is the structure of DNA?

• A. Single-stranded, linear
• B. Double-stranded, linear
• C. Double-stranded, helix
• D. Single-stranded, helix

Correct answer: C

Rationale: The correct answer is C: Double-stranded, helix. DNA is structured as a double helix formed by two strands of nucleotides. The nucleotides are paired with complementary bases (A-T and C-G) in the center, held together by hydrogen bonds. This double-stranded helical structure is a fundamental characteristic of DNA and essential for its function in storing genetic information. Choices A, B, and D are incorrect because DNA is not single-stranded; it consists of two strands that run antiparallel to each other and are connected via hydrogen bonds. Additionally, DNA does not have a linear structure but rather a helical one, providing stability and protection to the genetic information it carries.

2. Lauren must travel a distance of 1,480 miles to get to her destination. She plans to drive approximately the same number of miles per day for 5 days. Which of the following is a reasonable estimate of the number of miles she will drive per day?

• A. 240 miles
• B. 260 miles
• C. 300 miles
• D. 340 miles

Correct answer: C

Rationale: To estimate the number of miles Lauren will drive per day, the total distance can be rounded to 1,500 miles. Divide this by the number of days she plans to drive, which is 5. 1,500 miles / 5 days = 300 miles per day. Therefore, a reasonable estimate for the number of miles she will drive per day is 300. Choice A (240 miles) is too low, Choice B (260 miles) is slightly low, and Choice D (340 miles) is too high when considering the total distance and the number of days Lauren plans to drive.

3. Which sentence correctly uses quotation marks in connection with an indirect quote?

• A. My sister suggested, 'that we go to the movie next weekend.'
• B. My brother asked me to babysit his two children.
• C. 'The newscaster pointed out the storm's destruction.'
• D. The meteorologist called it 'the storm of a century.'

Correct answer: D

Rationale: Choice D correctly uses quotation marks to indicate the specific phrase 'the storm of a century.' In this sentence, the indirect quote is highlighted within the quotation marks. Choices A, B, and C do not correctly use quotation marks with an indirect quote. Choice A incorrectly places a comma inside the quotation marks, which should be outside. Choice B does not have any quotation marks around the indirect quote. Choice C uses double quotation marks unnecessarily around the indirect quote.

4. What is the unit of force in the SI system?

• A. Newton (N)
• B. Kilogram (kg)
• C. Meter (m)
• D. Second (s)

Correct answer: A

Rationale: The unit of force in the SI system is the Newton (N). It is defined as the amount of force required to accelerate a mass of one kilogram at a rate of one meter per second squared. In the SI system, force is measured in Newtons, not in kilograms, meters, or seconds. Choice B, Kilogram (kg), is incorrect because kilograms are units of mass, not force. Choice C, Meter (m), is incorrect because meters are units of length, not force. Choice D, Second (s), is incorrect because seconds are units of time, not force.

5. Which word is spelled correctly?

• A. Accommodate
• B. Acquiesce
• C. Perceive
• D. Dilemma

Correct answer: B

Rationale: The correct spelling for the word 'to submit or agree without protest' is 'acquiesce,' making option B the correct choice. Choice A, 'Accommodate,' refers to providing lodging or fitting in with someone's needs. Choice C, 'Perceive,' means to become aware or conscious of something. Choice D, 'Dilemma,' is a situation requiring a choice between equally undesirable alternatives. Therefore, options A, C, and D are spelled correctly but are not the correct answer based on the definition provided in the question.

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