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Nursing Elites

ATI TEAS 7

Physics

1. What happens to the frequency of a wave when its wavelength is doubled, assuming the speed remains constant?

Correct answer: C

Rationale: Since the wave speed is constant, if the wavelength increases, the frequency must decrease to maintain the same energy transfer per unit time.

2. Which of the following guidelines should be least considered in formulating objectives for

Correct answer: D

Rationale: When formulating objectives for a written nursing care plan, staff preferences should be the least considered guideline. Objectives in a care plan should be based on the patient's needs, evidence-based practices, and prescribed standards of care to ensure quality and effective treatment. Staff preferences may introduce biased decisions that do not align with the best interests of the patient. It is crucial to prioritize holistic care, which considers all aspects of the patient's well-being, and adhere to prescribed standards to provide comprehensive and individualized care. By disregarding staff preferences and focusing on what is best for the patient, healthcare professionals can deliver optimal care that promotes patient outcomes and satisfaction.

3. The term "magic number" in nuclear physics refers to specific numbers of protons or neutrons that contribute to:

Correct answer: C

Rationale: The term "magic number" in nuclear physics refers to specific numbers of protons or neutrons that result in exceptional stability of the nucleus. When the number of protons or neutrons in a nucleus align with a magic number, the nucleus is more stable and less likely to undergo spontaneous radioactive decay. This stability is due to the arrangement of nucleons within the nucleus, leading to lower energy states and increased binding energy. Magic numbers play a crucial role in determining the overall stability and behavior of atomic nuclei. Therefore, the correct answer is C: "Exceptional stability of the nucleus."

4. What are the different types of electromagnetic waves based on their wavelengths and frequencies?

Correct answer: A

Rationale: Electromagnetic waves are classified based on their wavelengths and frequencies. Visible light, X-rays, radio waves, and gamma rays are all examples of electromagnetic waves with different wavelengths and frequencies. Sound waves, water waves, seismic waves, and shock waves are not electromagnetic waves but rather mechanical waves. Longitudinal waves, transverse waves, mechanical waves, and non-mechanical waves are classifications based on the direction of particle displacement and do not represent types of electromagnetic waves.

5. Imagine you have an element with atomic number 11 and mass number 23. How many neutrons does it have?

Correct answer: B

Rationale: Rationale: - The atomic number (Z) of an element is the number of protons in its nucleus. In this case, the element has an atomic number of 11. - The mass number (A) of an element is the sum of its protons and neutrons. Given that the mass number is 23 and the atomic number is 11, we can calculate the number of neutrons by subtracting the atomic number from the mass number: Neutrons = Mass number - Atomic number = 23 - 11 = 12. - Therefore, the element with atomic number 11 and mass number 23 has 12 neutrons.

6. The element responsible for the red color of blood is:

Correct answer: B

Rationale: Hemoglobin, the protein responsible for carrying oxygen in red blood cells, contains iron in its heme group, contributing to the blood's characteristic red color.

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