Final answer:
For a patient with hypoglycemia who cannot tolerate oral intake, the appropriate treatments would be intravenous 50% dextrose solution or subcutaneous glucagon (option 2).
Step-by-step explanation:
If a patient who received Humulin NPH insulin at 7 am is nauseated and vomiting at lunchtime and cannot tolerate oral intake (PO), and develops manifestations of hypoglycemia, treatment options would depend on the patient's ability to ingest or absorb glucose orally and their level of consciousness. Since the patient cannot tolerate PO, treatment should include parenteral options.
The first option, '25 ml of 50' seems to be incomplete and is likely referring to 25 ml of 50% dextrose solution intravenously, which is a common treatment for hypoglycemia when the patient cannot take anything by mouth.
The second option, glucagon subcutaneously, is also appropriate as glucagon can raise blood glucose levels by stimulating the release of glucose from liver stores and is used when intravenous access is not available or if the patient is not in a medical facility.
The third option, '4 oz of apple juice', would be appropriate if the patient could tolerate oral intake, but as the patient is nauseated and vomiting, this is not suitable.
The last option, '100 ml of 5', appears to be an incomplete statement and does not provide enough information to be considered a valid treatment.
It's also important to monitor blood glucose levels following treatment to ensure that the hypoglycemia has been corrected and to prevent recurrence. Depending on the severity of hypoglycemia and the patient's response, additional doses of dextrose or glucagon may be needed.
Hence, the correct answer is Option 2.