Your patient is presenting with an altered mental status and…

Your patient is presenting with an altered mental status and a history of diabetes. His roommate states that he saw him take his normal dose of insulin this morning, but never saw him eat anything. What, out of the answer choices below, is most likely causing the patient to present this way? 

A patient presents with a reduced heart rate and respiratory…

A patient presents with a reduced heart rate and respiratory rate. You assess the patient’s pupils and note they appear as pictured in the photo below. Based on this finding, which of the following substances would you guess the patient most likely under the influence of?