When assisting a pharmacist in monitoring patient laboratory data, it would be appropriate for a pharmacy technician to:

Determining medication dosages falls under the pharmacist's scope of practice, as it requires clinical judgment and knowledge of pharmacotherapy. Pharmacy technicians assist by preparing medications and managing inventory but should not independently calculate or determine dosages due to the potential risks involved.

While pharmacy technicians are trained to recognize some common drug interactions, the responsibility for assessing and managing drug interactions ultimately lies with pharmacists. Technicians should communicate any concerns to pharmacists but are not authorized to make clinical judgments regarding interactions.

Recommending diagnostic tests is outside the pharmacy technician's scope of practice. This task requires a thorough understanding of clinical guidelines and patient assessments, which are the responsibilities of licensed healthcare professionals, particularly pharmacists and physicians.