The cardinal sign of overhydration is:
A) edema.
B) dyspnea.
C) hypertension.
D) tachycardia.
Ans: A) edema.
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Some bacteria produce the enzyme Beta-lactamase, which results in resistance to certain antibiotics
such as penicillin. Since these same organisms reproduce asexually, they produce offspring that ____.
a. can be killed by penicillin b. have an abnormally high rate of mutation c. are resistant to penicillin d. have variable numbers of chromosomes e. can make penicillin
The first plant to colonize the plains of Mt St
Helens after this volcano erupted in 1980 was a prairie lupine. The prairie lupine is an example of
a. a secondary successor. b. a pioneer species. c. a keystone species. d. an exotic species. e. more than one of these.
Which is a monomer?
a. chitin b. cellulose c. amylose d. sucrose e. glucose
This portion of the vestibular apparatus is responsible for dynamic equilibrium
A) vestibule B) sensory cells C) semicircular canals D) otoliths