A high hematocrit might indicate

A) anemia.
B) too many white blood cells in circulation.
C) inadequate red blood cell production.
D) excessive production of platelets.
E) polycythemia.


E

Biology & Microbiology

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The waxy polymer on the leaves of vascular plants that protects them from pathogens is called

A. lignin. B. cutin. C. chitin. D. cellulose. E. sporopollenin.

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Referring to the above diagram, which letter

represents the beginning of chemical digestion?

a. A b. E c. D d. H e. I

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Increased heart rate associated with running is an example of a ____________ process. 

A. metabolic B. generative C. responsive D. control

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During an automobile accident, Susan received a serious head injury to the left side. Afterward she had a hard time speaking, although she showed that she understood what was being said to her. Which area of her cerebrum was damaged?

A) occipital lobe B) medulla oblongata C) temporal lobe D) frontal lobe

Biology & Microbiology