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Nursing Elites

ATI TEAS 7

Chemistry

1. Which element is found in water and is crucial for biological functions like nerve impulses and muscle contraction?

Correct answer: A

Rationale: Sodium plays a key role in maintaining electrolyte balance and transmitting nerve impulses, affecting both muscles and nerves

2. Stephanie is a new Staff Educator of a private tertiary hospital. She conducts orientation

Correct answer: D

Rationale: The correct answer is D, 'Manual of procedures.' During orientation, Stephanie as a Staff Educator would likely refer to the manual of procedures to provide new employees with detailed instructions on how to perform their job duties. This manual outlines the specific procedures, protocols, and guidelines that employees are expected to follow within the organization. It serves as a valuable resource for new hires to understand the standard operating procedures and expectations within the hospital setting, making it a crucial document to reference during orientation.

3. A scientific theory is:

Correct answer: B

Rationale: Theories in science are constantly evolving and open to revision as new data emerges, unlike personal beliefs or fixed dogmas.

4. What is the valve that prevents blood from flowing back from the left ventricle into the left atrium?

Correct answer: B

Rationale: The correct answer is B: Mitral valve. The mitral valve, also known as the bicuspid valve, is located between the left atrium and the left ventricle. Its primary function is to prevent the backflow of blood from the left ventricle into the left atrium during ventricular contraction. The tricuspid valve is located between the right atrium and right ventricle, the aortic valve is located between the left ventricle and the aorta, and the pulmonic valve is located between the right ventricle and the pulmonary artery. Therefore, the mitral valve is specifically responsible for preventing backflow in the left side of the heart, making it the correct answer.

5. Which of the following sentences uses figurative language?

Correct answer: B

Rationale: This sentence uses a simile, comparing the child's speed to a cheetah's.

6. What is the term for the process of separating the components of a solution based on their different rates of movement through a medium?

Correct answer: c

Rationale: Chromatography is a technique used to separate the components of a solution based on their different rates of movement through a medium. The other choices are different separation techniques.

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