For a disease to become a pandemic, it must
a. initially start out as an epidemic.
b. have widespread (often worldwide) infections.
c. wipe out an entire human populace.
d. initially start out as an epidemic and have widespread infections.
Answer: D
You might also like to view...
Bilateria are characterized by
A. a plane of symmetry that forms mirror images around a vertical plane in the midline. B. a plane of symmetry that forms mirror images around a horizontal plane in the midline. C. a plane of symmetry around a transverse plane across the center of the body so that the front and back halves are mirror images. D. a plane of symmetry that forms mirror images around an oblique plane in the midline. E. a plane of symmetry that forms mirror images around any plane through the longitudinal midline of the body.
Which type of metabolic pathway involves building biomass?
a. catabolic b. parabolic c. irreversible d. anabolic
Hemophilia is a sex-linked recessive gene that causes a blood disorder. What are the chances that the daughter of a normal man and a heterozygous woman will have hemophilia?
A) 25% B) 0% C) 50% D) 100% E) 75%
Figure 2.5A
Based on its outer shell, the atom in the accompanying figure would be characterized as ____.
A. very stable B. somewhat stable C. somewhat unstable D. very unstable E. radioactive