Nursing Elites

1. Where is the posterior part of the body located?

• A. Topmost
• B. Lowermost
• C. Front
• D. Back

Correct answer: D

Rationale: The term 'posterior' refers to the back of the body. Therefore, the correct answer is 'Back.' Choices A, B, and C are incorrect. 'Topmost' and 'Lowermost' do not specifically refer to the back of the body, and 'Front' is the opposite of 'Back.'

2. John Kennedy was a senator before he _____ President in 1960.

• A. was elected
• B. became
• C. was made
• D. become

Correct answer: A

Rationale: The correct answer is 'was elected.' This choice is the most appropriate as it correctly indicates the action of being chosen through a voting process in the past. In this context, 'was elected' is the right verb form to show that John Kennedy became President in 1960 after winning an election. The other choices are incorrect: 'became' is a simple past verb form that doesn't convey the electoral process, 'was made' implies a passive action rather than an active election, and 'become' is not the correct past tense form needed in this sentence.

3. Carbon-12 and carbon-14 are isotopes. What do they have in common?

• A. Number of nuclear particles
• B. Number of protons
• C. Number of neutrons
• D. Mass number

Correct answer: C

Rationale: Isotopes are atoms of the same element with the same number of protons (which determines the element) but different numbers of neutrons. Both carbon-12 and carbon-14 have 6 protons (hence they are both carbon atoms) but different numbers of neutrons: carbon-12 has 6 neutrons, while carbon-14 has 8 neutrons. Therefore, the correct answer is the number of neutrons. Choices A, B, and D are incorrect because isotopes may have different numbers of nuclear particles (protons + neutrons), protons, and mass numbers, respectively.

4. What is the initial step in the metabolism of food to cellular energy?

• A. Citric Acid Cycle
• B. Glycolysis
• C. Electron Transport Chain
• D. Photosynthesis

Correct answer: B

Rationale: The correct answer is B: Glycolysis. Glycolysis is the initial step in the metabolism of food to cellular energy. During glycolysis, glucose is broken down into pyruvate, generating ATP and NADH. Choices A, C, and D are incorrect because the Citric Acid Cycle and Electron Transport Chain occur later in cellular respiration, while Photosynthesis is the process by which plants convert light energy into chemical energy.

5. What does 'Discrete' mean?

• A. Continuous
• B. Distinct or separate
• C. Mixed
• D. Combined

Correct answer: B

Rationale: The correct answer is B, 'Distinct or separate.' Discrete refers to something that is individually separate and distinct, not continuous (choice A), mixed (choice C), or combined (choice D). In mathematics and other fields, discrete items are countable and distinct from each other.

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