Is There Comedy in Geriatric Care? Yes, on HBO

Getting On, HBO’s off-kilter new comedy series, is about nurses and doctors working in a female geriatric care unit at a California hospital – not exactly the sort of setting that would seem to inspire humor. Still, the show has genuinely funny moments, even while it remains realistic about its environment. It’s a delicate balancing act, though. Take the first moments of the show’s premiere, which airs Sunday night at 10 on the pay cable network: brand-new nurse Didi (Niecy …