A nurse at an emergency department is caring for a child who was admitted with cystic fibrosis. The child's parent is given the following laboratory results: sodium 128 mg/dL (136 to 145 mEq/dL), blood glucose 268 g/dL (70 to 100 g/dL), potassium 4.2 mq/L (3.4 to 4.7 mEq/L), and oxygen saturation 88% on 2 L/min via nasal canula (95% to 100% ) . The parent ask how the values relate to cystic fibrosis. Which of the following statements by the nurse is accurate?

"Oxygen saturation levels elevate due to scaring of lung tissue and impairment of gas exchange."

"The condition impairs the function of the intestines, therefore affecting blood glucose levels."

"The condition produces mucus in the lungs, affecting potassium levels."

"The condition affects the movement of sodium and water, lowering sodium levels."

Answer and Explanation

The Correct Answer is D

A. Oxygen saturation levels typically decrease, not elevate, in cystic fibrosis due to scarring and impairment of lung function, leading to difficulty with gas exchange.

B. Cystic fibrosis primarily affects the lungs and digestive system but does not directly impact blood glucose levels unless diabetes develops as a complication.

C. Cystic fibrosis affects mucus production in the lungs, but potassium levels are not typically affected in the way described. Potassium imbalance would be more related to renal function or other factors.

D. Cystic fibrosis affects the movement of sodium and water across cell membranes, leading to thickened mucus and an increased risk of electrolyte imbalances, such as low sodium levels (hyponatremia).

Nursing Test Bank

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Naxlex Comprehensive Predictor Exams

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Free Nursing Study Resources

Correct Answer is A

Explanation

A. Bananas are a safe food choice for a 2-year-old, as they are soft and easy to chew, reducing the risk of choking.

B. Grapes should be cut into smaller pieces to prevent choking, as they are a common choking hazard for young children.

C. Celery can be difficult for a toddler to chew and may pose a choking risk, especially if not cut properly.

D. Raw carrots are hard and may pose a choking risk, especially if not cut into small, manageable pieces.

A. Participates in imaginary play B. Builds a collection of cards C. Expresses need for privacy D. Controls impulsive feelings

Correct Answer is A

Explanation

A. Preschoolers (ages 3-5) engage in imaginative play, where they create stories and use objects or toys in creative ways. This is a key part of their cognitive and social development.

B. While some preschoolers may begin to show an interest in collecting items, it is more common in school-age children.

C. The need for privacy typically emerges in adolescence, not during the preschool years.

D. Preschoolers are still developing emotional regulation and may struggle with controlling impulses.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is teaching a parent of a 2-year-old child about safe food choices. Which of the following foods should the nurse recommend?

Correct Answer is A

Explanation

A nurse is providing anticipatory guidance about child development to the parents of a preschooler. Which of the following developmental tasks should the nurse include as being expected of a preschooler?

Correct Answer is A

Explanation

A nurse reports an incident of suspected child abuse. One of the parents of the child becomes upset and demands to know the reason for the nurse's action. Which of the following responses by the nurse is appropriate?

A nurse is assessing a toddler who has leukemia and is receiving his first round of chemotherapy. Which of the following is the priority for the nurse to report to the provider?

A pediatric client in sickle cell crisis comes to the hospital with his mother. When assessing the client, the nurse should expect to find which of the following manifestations?

The nurse is caring for a boy with probable intussusception. While waiting for a radiologist-guided air enema to reduce the intussusception, he passes a normal brown stool. Which nursing action is the most appropriate?

Which intervention would the nurse include when providing atraumatic care?

A nurse is planning care for a 10-year-old child who will be hospitalized for an extended period of time. Which of the following actions should the nurse include in the plan of care to meet the client's psychosocial needs according to Erikson?

A nurse is caring for a neonate who has a myelomeningocele and is admitted to the newborn intensive care unit (NICU) awaiting surgery. Which of the following nursing goals has the highest priority in the care of this infant?

A nurse is assessing a toddler who has gastroenteritis and is exhibiting manifestations of dehydration. Which of the following findings should the nurse address first?