(T or F) If light rays are not refracted correctly, vision is distorted or blurred.
(T or F) Conjunctivitis is a noncontagious inflammation of the conjunctiva, usually caused by a bacteria or virus.
(T or F) The double-layered membrane that covers the outside of the heart is the endocardium.
(T or F) Hypotension is high blood pressure.
(T or F) Aplastic anemia is a result of injury to or destruction of the bone marrow.