ATI RN
ATI Fluid and Electrolytes
1. Which of the following is not considered an extracellular fluid?
- A. Cerebrospinal fluid
- B. The humors of the eye
- C. Lymph
- D. Cerebrospinal fluid and the humors of the eye
Correct answer: D
Rationale: The correct answer is D. Cerebrospinal fluid and the humors of the eye are not considered extracellular fluids. Extracellular fluids are fluids found outside the cells, such as interstitial fluid and lymph. Cerebrospinal fluid is found within the central nervous system, while the humors of the eye (aqueous humor and vitreous humor) are located within the eyeball, making them distinct from extracellular fluids.
2. When describing play by the school-aged child to a group of nursing students, the instructor would emphasize the need for which of the following?
- A. Recreation
- B. Ritualism
- C. Physical activity
- D. Rules
Correct answer: D
Rationale: The correct answer is D: Rules. When discussing play in school-aged children, rules are essential as they help in structuring games and social interactions. Rules provide a framework for play, ensuring fairness and cooperation among children. Choice A, recreation, is too broad and doesn't specifically address the importance of rules in play. Choice B, ritualism, is unrelated to the concept of play in school-aged children. Choice C, physical activity, is important for overall health but doesn't capture the specific aspect of rules that are crucial in the play of school-aged children.
3. A client who is breastfeeding is receiving teaching from a nurse. Which of the following instructions should the nurse include?
- A. Breastfeed the newborn every 2 hours
- B. Offer both breasts at each feeding
- C. Supplement feedings with formula at night
- D. Expect the newborn to sleep through the night at 1 month
Correct answer: B
Rationale: The correct instruction for the nurse to include is to offer both breasts at each feeding. This practice helps ensure the baby receives hindmilk from both breasts, promoting adequate milk intake and stimulating milk production. Option A is incorrect as newborns should be breastfed on demand rather than on a strict schedule. Option C is inappropriate as it can interfere with establishing and maintaining a sufficient milk supply. Option D is inaccurate as newborns typically do not sleep through the night at one month; they need to feed frequently for proper growth and development.
4. The canola plant's genome is altered to produce an herbicide-resistant crop. The canola oil produced from this crop is an example of a:
- A. pesticide-free food.
- B. saturated fat food.
- C. genetically modified food.
- D. product that is pure.
Correct answer: C
Rationale: The correct answer is C: genetically modified food. Canola plants with altered genomes to be herbicide-resistant are an example of genetically modified organisms (GMOs). Genetically modified foods have their genetic material modified for various purposes, such as enhancing resistance to pests, herbicides, or improving nutritional content. Choice A, 'pesticide-free food,' is incorrect because genetic modification does not necessarily make the food pesticide-free. Choice B, 'saturated fat food,' is incorrect as it does not relate to the genetic modification of the canola plant. Choice D, 'product that is pure,' is too vague and does not specifically address the genetic modification aspect of the canola plant.
5. What is the term for a condition where the lung collapses due to air leaking into the space between the lung and the chest wall?
- A. Pneumothorax
- B. Pleural effusion
- C. Atelectasis
- D. Pulmonary fibrosis
Correct answer: A
Rationale: Pneumothorax is the correct answer for this question. Pneumothorax is the collapse of a lung caused by the presence of air in the pleural space between the lung and chest wall. This condition can lead to chest pain, shortness of breath, and may require emergency treatment such as chest tube insertion to remove the air. Pleural effusion is the accumulation of fluid in the pleural space, not air. Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. Pulmonary fibrosis is a condition characterized by scarring and thickening of lung tissue, not related to air leaking into the pleural space.
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