ATI TEAS 7
physics
1. What describes the change in direction of light when it passes through different mediums, such as air and water?
- A. Diffraction
- B. Reflection
- C. Refraction
- D. Dispersion
Correct answer: c
Rationale: Refraction is the bending of light as it passes from one medium to another with different optical densities, causing a change in direction.
2. Which sentence uses the subjunctive mood correctly?
- A. I wish I could have gone to the beach.
- B. If I were you, I would choose option B.
- C. He insisted that she stay home.
- D. Although it was raining, we decided to go for a walk.
Correct answer: A
Rationale: Option A expresses a wish or hypothetical situation, requiring the subjunctive mood.
3. Which preposition best completes the sentence: "She borrowed money _____ her friend."
- A. of
- B. from
- C. on
- D. for
Correct answer: B
Rationale: "From" indicates the source of the borrowed money.
4. Which of the following is NOT a major component of a healthy blood pressure reading?
- A. Systolic pressure (peak pressure during ventricular contraction).
- B. Diastolic pressure (pressure within arteries during ventricular relaxation).
- C. Pulse pressure (difference between systolic and diastolic pressure).
- D. Blood oxygen saturation While blood oxygen levels are crucial for overall health, they are not directly reflected in a blood pressure reading.
Correct answer: A
Rationale: The correct answer is A. Systolic pressure is a major component of a healthy blood pressure reading as it represents the peak pressure in the arteries during ventricular contraction. Diastolic pressure, representing the pressure in the arteries during ventricular relaxation, is also a key component. Pulse pressure, the difference between systolic and diastolic pressure, provides additional information about the cardiovascular system. Blood oxygen saturation, while important for overall health, is not directly measured in a blood pressure reading. Therefore, it is not a major component of a healthy blood pressure reading.
5. Homologous structures are those that:
- A. Have the same function but different origins
- B. Have different functions but the same origin
- C. Are similar in appearance and function due to shared ancestry
- D. Are identical in both appearance and function
Correct answer: C
Rationale: Rationale: - Option A is incorrect because structures with the same function but different origins are analogous structures, not homologous structures. - Option B is incorrect because structures with different functions but the same origin are also not homologous structures; they are considered to be vestigial structures. - Option D is incorrect because structures that are identical in both appearance and function are not necessarily homologous; they could be the result of convergent evolution. Homologous structures are those that share similarities in appearance and function due to being inherited from a common ancestor. These structures may have undergone modifications over time to adapt to different functions in different species, but their fundamental similarities can be traced back to a shared evolutionary history.
6. Which of the following guidelines should be least considered in formulating objectives for
- A. Written nursing care plan
- B. Holistic approach
- C. Prescribed standards
- D. Staff preferences
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.
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