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Nursing Elites

ATI TEAS 7

Chemistry

1. Which of the following is a characteristic of unsaturated fatty acids?

Correct answer: D

Rationale: Unsaturated fatty acids contain double or triple bonds in their hydrocarbon chains. The other choices do not accurately describe unsaturated fatty acids.

2. Passive transport does not require energy input from the cell. Which of the following is an example of passive transport?

Correct answer: D

Rationale: Passive transport refers to the movement of molecules across a cell membrane without the need for energy input. Endocytosis is an example of passive transport because it involves the cell engulfing particles or molecules from the external environment into vesicles without the direct expenditure of energy. On the other hand, options A, B, and C involve active processes that require energy. Active transport, such as the movement of ions against their concentration gradient, requires energy in the form of ATP. Diffusion of small molecules across a concentration gradient also does not require energy input, but it is a passive process, not active transport. Movement of large molecules using vesicles is a form of active transport called vesicular transport. Therefore, the correct answer is D, endocytosis of particles into the cell, as it exemplifies passive transport without the need for energy consumption by the cell.

3. One staff suggests that they review the pattern of nursing care that they are using, which is

Correct answer: B

Rationale: The correct answer is B: 'system used to deliver care.' When a staff member suggests reviewing the pattern of nursing care being used, they are referring to the overall system or method in place for delivering care to patients. This includes the processes, protocols, and techniques used to provide nursing care. It goes beyond just following a job description, manual of procedure, or rules. By evaluating and potentially revising the system used to deliver care, staff can ensure that best practices are in place to provide high-quality and effective care to patients.

4. Which force causes an object to move in a circular path?

Correct answer: c

Rationale: Centripetal force is the force that acts towards the center of a circular path, keeping an object in circular motion.

5. Acne vulgaris, commonly known as acne, is primarily caused by

Correct answer: B

Rationale: The correct answer is B: 'Clogged pores and excess oil production.' Acne vulgaris, or acne, is primarily caused by a combination of factors including excess sebum (oil) production by the skin's sebaceous glands and the accumulation of dead skin cells, leading to clogged pores. This environment provides a breeding ground for acne-causing bacteria, contributing to inflammation and the formation of pimples. While factors like dry skin, bacterial infections, and even vitamin deficiencies can exacerbate acne, they are not the primary cause. Thus, B is the most accurate option for the primary cause of acne.

6. Which verb tense is most appropriate for this sentence: "By next week, _____ finished the project."

Correct answer: B

Rationale: Option B expresses a future event completed before another future point in time (next week).

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