A patient developed a blood infection after a dental procedure which resulted in bleeding gums. The patient has
A. a subclinical infection.
B. an exogenous infection
C. a healthcare-associated infection (HAI).
D. a superinfection.
E. a zoonotic infection.
Answer: C
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Which of the following statements about phloem unloading at sinks is inconsistent with our current understanding?
A) Passive transport plays a role. B) Regardless of the type of sink, the conversion of sucrose to storage compounds such as starch is a major part of the process. C) The mechanisms of sucrose movement and the membrane proteins involved vary among different plant species. D) The mechanisms of sucrose movement and the membrane proteins involved vary among different sinks within a plant. E) Active transport plays a role.
Which of the following is not a threat related to the Klamath-Siskiyou ecoregion?
a. logging b. declining populations of spotted owls c. oil and gas development d. a newly introduced pathogen
Which is not true of DNA replication?
a. It occurs in the S phase of the cell cycle. b. It functions similarly for all organisms. c. It is semiconservative. d. Both strands are synthesized in one direction only. e. Both strands are synthesized continuously.
How are birds able to get fresh air even when they are exhaling?
What will be an ideal response?