A person goes to the doctor and is told his blood pressure is 90/60 and his pulse is 80. Which of the following is FALSE?
A) Mean arterial pressure is 70 mm Hg.
B) Diastolic pressure is 60.
C) Systolic pressure is 90 mm Hg.
D) Pulse pressure is 80 mm Hg.
E) Heart rate is 80.
Answer: D) Pulse pressure is 80 mm Hg.
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Using sunflower plants to naturally remove heavy toxins from contaminated soil is an example of ________.
A. the green revolution B. bioremediation C. biomagnification D. land conservancy
Which of the following is not an observation or inference on which natural selection is based?
A. Only a fraction of an individual's offspring may survive. B. Species produce more offspring than the environment can support. C. Individuals whose characteristics are best suited to the environment generally leave more offspring than those whose characteristics are less well suited. D. There is heritable variation among individuals. E. Poorly adapted individuals never produce offspring.
When tumor suppressor genes are ____ this significantly increases the chance of a woman getting cancer.
a. over-expressed b. under-expressed/deleted c. expressed d. all of the above
How is Listeria monocytogenes capable of spreading in the body?
A) The bacteria initiate apoptosis in the cell and spread to other cells in the vesicles that are released from the dying cell. B) After being phagocytized, the bacteria initiates apoptosis in the cell and spreads to other cells in the vesicles that are released from the dying cell. C) Actin in the cytoskeleton propels the bacteria into an adjacent cell. D) It evades the immune system by adhering to cells, being phagocytized, and then breaking out of the phagosome into the cytoplasm. E) The bacteria initiate apoptosis in the cell and spread to other cells in the vesicles that are released from the dying cell, and actin in the cytoskeleton propels the bacteria into an adjacent cell.