ATI TEAS 7
Nursing Leadership and Management
1. She knows that performance appraisal consists of all the following activities EXCEPT:
- A. Setting specific standards and activities for individual performance.
- B. Using agency standards as a guide.
- C. Determine areas of strength and weaknesses
- D. Focusing activity on the correction of identified behavior.
Correct answer: D
Rationale: The correct answer is D: 'Focusing activity on the correction of identified behavior.' Performance appraisal is a process that involves setting specific standards and activities for individual performance, using agency standards as a guide, and determining areas of strengths and weaknesses. While performance appraisal may identify areas for improvement, its primary focus is not solely on correcting behavior. Instead, it is a holistic evaluation of an individual's performance in various aspects. Therefore, option D is the exception among the activities associated with performance appraisal.
2. After exposure to a pathogen, the immune system develops memory. What type of immune cell is responsible for this immunological memory?
- A. B cells
- B. T cells (specifically memory T cells)
- C. Phagocytes
- D. Natural killer cells
Correct answer: B
Rationale: The correct answer is A: "B cells." B cells are responsible for generating immunological memory after exposure to a pathogen. When B cells encounter a pathogen, they differentiate into memory B cells, which can quickly recognize and respond to the pathogen upon subsequent exposure. These memory B cells are crucial for mounting a faster and more effective immune response, leading to a quicker clearance of the pathogen. T cells, phagocytes, and natural killer cells play important roles in the immune response, but specifically, memory B cells are responsible for immunological memory.
3. Which organ plays a significant role in immune cell production and maturation?
- A. Liver
- B. Kidneys
- C. Bone marrow
- D. Spleen
Correct answer: C
Rationale: The correct answer is C: Bone marrow. The bone marrow is the primary site for the production and maturation of immune cells, including white blood cells, which are crucial for the body's immune response. Stem cells in the bone marrow differentiate into various types of immune cells, such as T cells, B cells, and natural killer cells, which play essential roles in fighting infections and diseases. While the liver and kidneys have other important functions in the body, such as filtering toxins and metabolizing substances, they are not directly involved in immune cell production and maturation. The spleen acts as a reservoir for blood and is involved in filtering blood and storing red blood cells but is not the primary site for immune cell production.
4. Which element is found in water and is crucial for biological functions like nerve impulses and muscle contraction?
- A. Sodium
- B. Potassium
- C. Calcium
- D. Magnesium
Correct answer: A
Rationale: Sodium plays a key role in maintaining electrolyte balance and transmitting nerve impulses, affecting both muscles and nerves
5. A large geographic area characterized by similar climate, plants, and animals is called a:
- A. Population
- B. Community
- C. Biome
- D. Ecosystem
Correct answer: C
Rationale: Rationale: A) Population refers to a group of individuals of the same species living in a specific area. B) Community refers to all the populations of different species living and interacting in a particular area. C) Biome is a large geographic area characterized by similar climate, plants, and animals. Biomes are defined by factors such as temperature, precipitation, and vegetation types. D) Ecosystem refers to a community of living organisms interacting with each other and their physical environment. An ecosystem can be part of a biome.
6. An IV bag contains 500ml of saline solution and needs to be infused over 4 hours. What is the flow rate in drops per minute, assuming 20 drops per milliliter?
- A. 12.5 drops/min
- B. 25 drops/min
- C. 50 drops/min
- D. 100 drops/min
Correct answer: C
Rationale: Calculate the total volume in drops (500ml * 20 drops/ml = 10,000 drops). Divide this by the infusion time in minutes (4 hours * 60 minutes/hour = 240 minutes) to get the flow rate.
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