A person is diagnosed with cataracts. Which is a primary risk factor for the development of this health problem?
A) Gender B) Trauma
C) Aging D) Congenital defects
Ans: C) Aging
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Which of the following is not a way that red blood cell shape is significant?
A) It gives the red blood cell a large surface area to volume ratio. B) It allows fast exchange of gases between the inside of the cell and the plasma. C) It enables red blood cells to form stacks. D) It allows red blood cells to bend and flex. E) It enables red blood cells to phagocytose bacteria.
Which statement regarding sympathetic stimulation effects on blood pressure is incorrect?
a. vasoconstriction of arterioles increases total peripheral resistance. b. decreased end diastolic volume increases cardiac output. c. increased stroke volume increases cardiac output. d. vasoconstriction of veins increases venous return e. vasoconstriction of veins increases stroke volume.
Cytokinesis overlaps with which phase of mitosis?
A. Telophase B. Prophase C. Metaphase D. The S phase E. Interphase
Research has shown that borage oil might be effective for treating rheumatoid arthritis, but it may also cause serious side effects.
a. true b. false