The reason that approximately one-third of adults in the United States will suffer significant hearing
loss by age 65 is most likely
a. frequent infections.
b. inborn structural problems.
c. head trauma.
d. excessive noise.
e. unknown causes.
D
Biology & Microbiology
You might also like to view...
When two genes are located on different chromosomes, ____ of the offspring from a testcross for genetic linkage
should have a recombinant phenotype
a. over 75% b. about 50%
c. about 25% d. about 10% e. about 5%
Biology & Microbiology
The most common mode of transmission for sinusitis is ________.
A. direct contact B. endogenous infection C. droplet contact D. indirect contact E. exotoxin
Biology & Microbiology
Which of the following would a prokaryotic organism contain?
a. pili b. nucleus c. lysosome d. smooth ER
Biology & Microbiology
Which of the following are fishes characterized by a bony skeleton?
a. Ostracoderms b. Gnathostomes c. Chondrichthyes d. Osteichthyes
Biology & Microbiology