What substance stimulates immune cells, is made by certain immune cells, inhibits cancer genes, and can act directly against some viruses?

Myasthenia gravis involves immune cells attacking acetylcholine receptors, causing double vision and other muscle symptoms.  The book states there is a “…possible association between herpesvirus 6 and onset.”  This would be a mechanism of _____

Which of the following statements regarding suicide in the older patient is correct?

When assessing a geriatric patient who has possibly experienced an acute ischemic stroke, it is most important to:

How do most, [conventional] antihistamines work?  They ____

Common causes of syncope in older patients include all of the following, except:

Osteoporosis is defined as:

Blood levels of medications might rise in the elderly, sometimes to toxic levels. This is most likely due to:

Which cells can phagocytize harmful cells?

  48.  Id the structure or structures [48] 49[49] 50 (be specific) [50]