Final answer:
The client with hypomagnesemia due to long-term therapy with iansopazole should be monitored for muscle weakness and disorientation, which are common manifestations of hypomagnesemia.
Step-by-step explanation:
The student is asking about the clinical manifestations of hypomagnesemia, which can occur due to long-term therapy with certain medications like iansopazole. Hypomagnesemia can affect various body systems and result in a number of symptoms. Some common manifestations include cardiovascular issues such as arrhythmias and blood pressure changes, neuromuscular symptoms like muscle weakness and tremors, as well as neurological effects which can lead to disorientation and confusion.
Now, addressing the options provided: a. Bradycardia and b. Hypotension might occur due to other electrolyte imbalances but are not the most directly related to hypomagnesemia. c. Muscle weakness is indeed a common symptom of hypomagnesemia as magnesium is crucial for muscle function. d. Disorientation can also occur as magnesium is important for neural function.