Final answer:
Chest pressure is a potential adverse effect of sumatriptan, a medication used for treating cluster headaches. It can mimic the symptoms of angina due to coronary artery vasospasm (option D).
Step-by-step explanation:
A nurse caring for a client who is receiving sumatriptan should be aware of the drug's potential adverse effects. Sumatriptan is a medication commonly prescribed for cluster headaches, which are intense headaches that occur in cyclical patterns or clusters.
One of the known adverse effects of sumatriptan includes sensations of chest pressure or tightness, often described as chest discomfort. This is because sumatriptan can cause coronary artery vasospasm, which mimics the symptoms of angina. Other common adverse effects are tingling, warmth, flushing, and dizziness, but not typically hypotension, tinnitus, or urinary retention.
Therefore, the nurse should expect chest pressure as a potential adverse effect when administering sumatriptan for cluster headaches.
Hence, the answer is option D.