ATI TEAS 7
physics
1. What is the law of conservation of energy?
- A. Energy cannot be created, only destroyed
- B. Energy can be created but not destroyed
- C. Energy can neither be created nor destroyed, only transformed from one form to another
- D. Energy is always created in any process
Correct answer:
Rationale: According to the law of conservation of energy, the total energy in a closed system remains constant; it can change forms but cannot be created or destroyed.
2. What is the term for a solution that contains the maximum amount of solute that can dissolve at a specific temperature and pressure?
- A. Saturated solution
- B. Unsaturated solution
- C. Dilute solution
- D. Concentrated solution
Correct answer: A
Rationale: A saturated solution is one in which the maximum amount of solute has dissolved under specific conditions. The other choices do not accurately describe a saturated solution.
3. The element responsible for the green color of leaves is:
- A. Magnesium
- B. Iron
- C. Copper
- D. Zinc
Correct answer: A
Rationale: Magnesium is the central element of chlorophyll, the pigment responsible for photosynthesis
4. Which of the following is NOT a function of the muscular system?
- A. Movement
- B. Maintaining posture
- C. Generating heat
- D. Regulating blood sugar levels
Correct answer: D
Rationale: The correct answer is D: "Regulating blood sugar levels." The muscular system primarily functions in movement, maintaining posture, and generating heat. Muscles contract and relax to allow movement and help us stay upright. They also produce heat through muscle contractions to maintain body temperature. Regulating blood sugar levels is primarily controlled by the endocrine system, specifically the pancreas and hormones like insulin and glucagon. Therefore, this function is not directly related to the muscular system.
5. What is the scientific term for a muscle that helps another muscle perform its action?
- A. Agonist
- B. Antagonist
- C. Synergist
- D. Fixator
Correct answer: C
Rationale: The correct answer is C: Synergist. A synergist muscle is a muscle that assists the prime mover (agonist) in performing its action by stabilizing joints or contributing extra force to the movement. Antagonist muscles oppose the action of the prime mover, while fixator muscles stabilize the origin of the prime mover to allow efficient movement. Understanding the roles of these muscles is essential in comprehending how various muscle groups work together to produce coordinated movements.
6. Which of the following is the best guarantee that the patient’s priority needs are met?
- A. Checking with the relative of the patient
- B. Preparing a nursing care plan in collaboration with the patient
- C. Consulting with the physician
- D. Coordinating with other members of the team
Correct answer: B
Rationale: Preparing a nursing care plan in collaboration with the patient is the best guarantee that the patient's priority needs are met because it involves actively involving the patient in their own care. This approach ensures that the patient's preferences, concerns, and priorities are taken into account when planning their care. Checking with the relative of the patient, consulting with the physician, and coordinating with other team members are important aspects of patient care, but collaborating with the patient directly ensures a patient-centered approach that addresses their individual needs and preferences.
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