Alcohols are used for
A) disinfection.
B) sterilization.
C) antisepsis.
D) both sterilization and disinfection.
E) both antisepsis and disinfection.
E
Bloom's Taxonomy: Comprehension
Section: Chemical Methods of Microbial Control
Learning Outcome: 9.21
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The bilaterians animals are divided into two monophyletic groups, the _____ and the _____, which are supported by patterns of comparative anatomy, comparative embryology, and molecular sequence data
A. Protostomia and Deuterostomia B. Lophotrochozoa and Ecdysozoa C. Chordata and Hemichordata D. Eumetazoa and Protozoa
Acceptable specimens for the detection of B. pertussis are:
a. throat swabs. b. sputum. c. nasopharyngeal aspirates. d. anterior nose swabs.
You’ve been diagnosed with anemia, a disorder characterized by a shortage of red blood cells. The doctor prescribes iron pills to help with your condition. Why?
a. Since the shortage could be caused by an unclotted bleed, the iron will aid in production of platelets which help with clotting. b. The red blood cell deficiency could be due to an active infection and iron helps white blood cells produce antibodies against certain antigens. c. Often anemia is a product of iron-deficiency which results in slower production of hemoglobin which is needed to produce red blood cells. d. This deficiency is likely due to heavy menstruation and iron will alleviate cramps and shorten the duration of the menstrual period.
Which of these is not a direct factor that controls biotic potential?
a. the age at which reproduction generally begins b. the resources available for each individual c. reproductive rate d. predators and pathogens e. genetic mutations