What is the result of a deficiency of factor IX?
- A. Thalassemia
- B. Idiopathic thrombocytopenic purpura
- C. Hemophilia A
- D. Christmas disease
Correct Answer: D
Rationale: Christmas disease, or hemophilia B, is caused by the deficiency of factor IX.
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Which statement by a mother may indicate a cause for her 9-month-old's iron deficiency anemia?
- A. Formula is so expensive. We switched to regular milk right away.'
- B. She almost never drinks water.'
- C. She doesn't really like peaches or pears, so we stick to bananas for fruit.'
- D. I give her a piece of bread now and then. She likes to chew on it.'
Correct Answer: A
Rationale: Because cow's milk contains very little iron, infants should drink iron-fortified formula for the first year of life.
A child is diagnosed with iron deficiency anemia. What will the nurse explain can occur if this disorder goes untreated?
- A. Hemorrhage
- B. Heart failure
- C. Infection
- D. Pulmonary embolism
Correct Answer: B
Rationale: Untreated iron deficiency anemias progress slowly, and in severe cases the heart muscle becomes too weak to function.
What would the nurse include in a teaching plan about mouth care of a child receiving chemotherapy?
- A. Use commercial mouthwash.
- B. Clean teeth with a soft toothbrush.
- C. Avoid use of a Water-Pik.
- D. Inspect the mouth weekly for ulcerations.
Correct Answer: B
Rationale: A soft toothbrush reduces capillary damage and mucous membrane breakdown and prevents bleeding and infection.
What will the nurse teach the parents of a child with a low platelet count to avoid?
- A. Benadryl
- B. Aspirin
- C. Caffeine
- D. Prednisone
Correct Answer: B
Rationale: Aspirin interferes with platelet function and should be avoided to prevent the risk of prolonged bleeding.
The nurse is caring for a child with a low platelet count. What skin assessments would alert the nurse to bleeding? (Select all that apply.)
- A. Petechiae
- B. Purpura
- C. Ecchymosis
- D. Hematoma
- E. Lymphadenopathy
Correct Answer: A,B,C,D
Rationale: The reduction or destruction of platelets in the body interferes with the clotting mechanism, leading to skin lesions such as petechiae, purpura, ecchymosis, and hematoma.
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