Which of the following pathological conditions is due to abnormal curvature of the cornea?
A) astigmatism
B) cataract
C) glaucoma
D) strabismus
A) astigmatism
Astigmatism is an abnormal curvature of the cornea. A cataract is damage to the
lens. Glaucoma is an increase in intraocular pressure. Strabismus is eye muscle weakness.
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Which of the following lung capacities is the total volume of air that can be exhaled after a maximum inhalation?
A) inspiratory capacity B) functional residual capacity C) vital capacity D) total lung capacity
Mental imagery
a. is a newly discovered method. b. should not involve meditation. c. uses relaxing visual images. d. heightens the sense of touch.
Alcohol is a factor in about _____ of all deaths from car accidents
a. 10% b. 25% c. 30% d. 50%
Phytochemicals are
A. best obtained through supplements rather than by eating a variety of fruits and vegetables. B. are toxic if ingested in large amounts from plant food sources. C. linked to the development of some cancers. D. substances found in plant food sources that may help prevent chronic disease.