ATI TEAS 7
Chemistry
1. Which element has the lowest electronegativity value?
- A. Oxygen
- B. Fluorine
- C. Helium
- D. Chlorine
Correct answer: C
Rationale: Electronegativity is the tendency of an atom to attract electrons towards itself in a bond. Noble gases like helium have very low electronegativity because their outer electron shell is already full and stable.
2. Julius plans to revisit the organizational chart of the department. He plans to create a new
- A. Box
- B. Solid line
- C. Broken line
- D. Dotted line
Correct answer: B
Rationale: The correct answer is B: 'Solid line.' In organizational charts, solid lines typically represent formal reporting relationships, indicating direct authority and responsibility between positions. Creating a new solid line on the chart would signify a new formal reporting relationship within the department. This can be important for clarifying roles, communication channels, and decision-making processes. Boxes represent positions or roles in the organizational structure, while broken lines and dotted lines are typically used for informal relationships or advisory roles, rather than formal reporting relationships.
3. Which pattern of nursing care involves the care given by a group of paraprofessional workers
- A. Case method
- B. Modular nursing
- C. Nursing case management
- D. Team nursing
Correct answer: A
Rationale: The correct answer is A: 'Case method.' The case method of nursing care involves the care provided by a group of paraprofessional workers, such as nursing assistants or aides, under the supervision of professional nurses. In this model, the nursing team works together to deliver care to a group of patients based on their specific needs and conditions. This method allows for efficient and coordinated care delivery, with each member of the team playing a crucial role in meeting the patients' healthcare needs. It is important for nurses to effectively delegate tasks and supervise paraprofessional workers in the case method model to ensure high-quality care and patient safety.
4. What is the formula to calculate acceleration?
- A. Acceleration= Mass Force ​
- B. Acceleration= Force Mass ​
- C. Acceleration= Time Distance ​
- D. Acceleration= Time Change in Velocity ​
Correct answer: A
Rationale: Acceleration is calculated as the change in velocity divided by the time taken.
5. Which of the following hormones is produced by the adrenal medulla and prepares the body for a stressful situation?
- A. Testosterone
- B. Cortisol
- C. Epinephrine (adrenaline)
- D. Growth hormone
Correct answer: C
Rationale: The correct answer is C: Epinephrine (adrenaline). Epinephrine is produced by the adrenal medulla and is responsible for preparing the body for a stressful situation, often referred to as the 'fight or flight' response. Testosterone is a hormone produced by the testes in males and in smaller amounts by the ovaries in females, responsible for male sexual characteristics. Cortisol is produced by the adrenal cortex and plays a role in regulating metabolism and immune response. Growth hormone is produced by the pituitary gland and is essential for growth, cell repair, and metabolism. Therefore, epinephrine is the hormone specifically produced by the adrenal medulla to prepare the body for stress.
6. Identify the independent clause in the following sentence: "While the chef prepared dinner, the guests chatted and enjoyed the music."
- A. While the chef prepared dinner
- B. the guests chatted and enjoyed the music
- C. While the chef prepared dinner,
- D. the guests chatted and enjoyed
Correct answer: B
Rationale: An independent clause expresses a complete thought and can stand alone as a sentence.
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