Answer:
The answer is A: results from the lack of lactase
Explanation:
Lactose intolerance is caused by the lack of the enzyme lactase, necessary for digestion. Their symptoms usually occur 30 minutes after eating the food with a feeling of nausea, bloating and vomiting. It can occur from the first months of life as well as in adulthood.
A)
"Nursing is an applied science. Its practice component places an emphasis on the delivery of service by nurses rather than the development of academic knowledge."
