What is the function of the auditory (Eustachian) tube?
A. Allows us to hear ourselves speak
B. Allows fluid to drain out of the inner ear
C. Equalizes air pressure in the middle ear
D. Allows passage of the auditory nerve
Answer: C
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The purpose of the Human Genome Project (HGP) is to
A) identify alleles for research in the field of autosomal recessive diseases. B) describe the full set of genetic material in human chromosomes. C) discover new methods for fingerprinting and other forensic methods. D) create a "master race" by limiting the gene pool to carriers of desirable genes. E) study human development and to ultimately find a way to slow down senescence.
Dwarfism may be due to growth hormone deficiency in adults
Indicate whether the statement is true or false
Low dosages of aspirin inhibit clotting by blocking the formation of which of the following?
A) vitamin K B) factor X C) factor VIII D) thrombin E) thromboxane A2
The pH value
A. increases with acidity. B. reflects the Na+ content of body fluids. C. decreases with alkalinity. D. is measured on a scale from 0 to 10. E. is determined by the concentration of H+ in a solution.