Final answer:
A child with pyloric stenosis should be placed in an upright (sitting) position after a feeding to prevent reflux and vomiting.
Step-by-step explanation:
The correct answer is a) Upright (sitting position).
After a feeding, a child with pyloric stenosis should be placed in an upright (sitting) position. This position helps to prevent reflux and reduces the chances of vomiting.
Placing the child in an upright position allows gravity to help keep the stomach contents down and prevents regurgitation of the food. It also helps in the digestion process and reduces discomfort caused by the condition.