ATI TEAS 7
physics
1. Which type of waves are capable of interference and diffraction?
- A. Longitudinal waves only
- B. Transverse waves only
- C. Electromagnetic waves only
- D. Both longitudinal and transverse waves
Correct answer: d
Rationale: Both longitudinal and transverse waves can exhibit interference and diffraction phenomena.
2. The following are basic steps in the controlling process of the department. Which of the
- A. Measure actual performance
- B. Set nursing standards and criteria
- C. Compare results of performance to standards and objectives
- D. Identify possible courses of action
Correct answer: A
Rationale: The correct answer is A: 'Measure actual performance.' In the controlling process of a department, measuring actual performance is a crucial step to assess how well the department is performing compared to set standards and objectives. By measuring actual performance, managers can identify any deviations from the established criteria and take necessary corrective actions. Setting nursing standards and criteria (option B) is typically done before the controlling process begins, to provide a benchmark for measuring performance. Comparing results of performance to standards and objectives (option C) is done after measuring actual performance. Identifying possible courses of action (option D) is part of the corrective action phase that follows measuring actual performance. Therefore, option A is the most appropriate step in the controlling process of a department.
3. What is the difference between a pure substance and a mixture?
- A. Pure substances have fixed composition, mixtures don't.
- B. Mixtures have fixed composition, pure substances don't
- C. Pure substances are always solids, mixtures can be any state
- D. Pure substances are always elements, mixtures are always compounds
Correct answer: A
Rationale: Rationale: - Pure substances have a definite and constant composition, meaning they are made up of only one type of atom or molecule. This composition does not vary. - Mixtures, on the other hand, are composed of two or more substances physically combined. The components of a mixture can be present in varying proportions, leading to a variable composition. - Option A correctly distinguishes between pure substances and mixtures based on the fixed composition of pure substances and the variable composition of mixtures.
4. What skin condition is characterized by red, itchy, and inflamed patches?
- A. Eczema
- B. Psoriasis
- C. Melanoma
- D. Keloid
Correct answer: A
Rationale: The correct answer is A: Eczema. Eczema is a common skin condition that is characterized by red, itchy, and inflamed patches on the skin. It is often triggered by environmental factors or allergies and can vary in severity. Psoriasis (option B) is also a skin condition that causes red, scaly patches on the skin, but it is typically thicker and more silver or white in color compared to eczema. Melanoma (option C) is a type of skin cancer that usually presents as a new mole or a changing mole on the skin, rather than red, itchy patches. Keloid (option D) is a raised scar that can result from an overgrowth of scar tissue. Therefore, the most appropriate answer to this question is A: Eczema, based on the description of red, itchy, and inflamed patches.
5. What is the term for a solution that has exactly the same concentration of solute as another solution?
- A. Saturated solution
- B. Unsaturated solution
- C. Isotonic solution
- D. Concentrated solution
Correct answer: c
Rationale: An isotonic solution has the same concentration of solute as another solution. The other choices do not accurately describe an isotonic solution.
6. When writing a blog post, consider including:
- A. Long, detailed paragraphs for comprehensive coverage.
- B. Frequent use of emojis and informal slang for a casual tone.
- C. Engaging headlines, subheadings, and bullet points for scannability.
- D. ense academic vocabulary to sound intellectual.
Correct answer: C
Rationale: Blog posts require engaging formatting and concise writing for readers who scan and skim. Headlines, subheadings, and bullet points improve readability.
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