In the system of binomial nomenclature, species are assigned a two-part name: the first part is the ____ and the second
part is the ____name.
a. species; genus
b. genus; species
c. species; family
d. genus; family
e. family; species
ANSWER: b
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The tubercles formed in primary tuberculosis are caused by an influx of ________.
A. mononuclear cells B. neutrophils C. basophils D. antibodies E. polymorphonuclear leukocytes
The echiuran Urechis is also known as:
a. the peanut worm. b. the lugworm. c. the innkeeper worm. d. the beardworm. e. the fan worm.
Which of the following is a decrease in tissue oxygen?
A) active hyperemia B) reactive hyperemia C) ischemia D) myogenic response E) hypoxia
What can a human population's age pyramid tell you about current and future needs?
A) How many schools to build or to close down B) How many workers will be needed to support retirees C) Neither of these D) Both of these