Answer:
Vera age 70 has isolated systolic hypertension calcium channel blocker dosages for her should be started at about half the usual dose.
Cats can purr for various reasons, using the soft rumble as a way of communicating and as a form of self-soothing or even healing. This is why cats will often purr when they're injured, or after a stressful event.
Puberty, and there are many websites and books that offer information so you know what to expect.
Pretty sure (d) bc they are young and not developed!