Which of the following is (are) the leading cause of death in the world?
a. Diabetes
b. Infectious diseases
c. Heart diseases
d. Cancer
b. Infectious diseases
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What do we call a substance that increases the hydrogen ion (H+) concentration of a solution?
a. base b. pH c. acid d. litmus
Three classmates from microbiology class are talking about drug resistance. They each disagree about the definition of the term so they state his or her definition and give a justification. Compare the various definitions and justifications below and pick the one that is most accurate.
A. The bacterium has changed physically or chemically in some way to be able to destroy the drug or avoid its action, allowing it to grow unimpeded by the drug. B. The person becomes resistant to the drug; the body adjusts to the dosage of the chemical and no longer responds to its action. C. The drug is changed in the body and is inactivated physically and chemically so it no longer works properly against the bacterium. D. The bacterium becomes immune to the drug; the drug no longer kills or inhibits the bacterium.
In Septicemia, why do we see DIC?
A. Fever was triggered B. The complement system was activated and needs to get to the infection C. Your liver needs more blood to filter D. Your body is slowing the spread of toxin E. Your kidneys are slowing their filtering system F. Your heart is not able to pump as much blood
In the process of translation,
a. rRNA is synthesized with sequences complementary to those of tRNA b. nucleotide sequences of tRNA are established c. a strand of mRNA is formed with nucleotide sequences complementary to those of DNA d. a polypeptide is formed in response to the rRNA nucleotide sequence e. a polypeptide is formed as dictated by the nucleotide sequence in mRNA