Halfway through the administration of a unit of blood, a client complains of lumbar pain. The nurse should:

Correct Answer: C

Rationale: Lumbar pain during a blood transfusion can be a sign of an adverse reaction, such as a transfusion reaction. Any complaints of pain during a transfusion should not be ignored. In this case, the nurse should first stop the transfusion to prevent any further complications. The client should be assessed promptly for other signs of a transfusion reaction, and appropriate actions should be taken as needed to ensure the client's safety and well-being.

Correct Answer: A

Rationale: Marasmus is a form of severe malnutrition characterized by a significant deficiency in calories and protein intake. Symptoms of marasmus include severe wasting of muscle and fat stores, giving the appearance of loose, wrinkled skin due to the loss of subcutaneous fat. Other symptoms may include lethargy, irritability, delayed growth and development, and weakened immune function. Edematous skin is more commonly associated with kwashiorkor, another form of severe malnutrition characterized by protein deficiency with adequate caloric intake. Depigmentation of the skin and dermatoses are not typical symptoms of marasmus.

Correct Answer: D

Rationale: Second malignancy is a rare late effect compared to cognitive and learning impairments.

Correct Answer: D

Rationale: Paranasal sinuses are considered unfavorable sites in rhabdomyosarcoma staging.

Correct Answer: B

Rationale: Transferring objects and babbling typically occur around 6 months.