Which immunoglobulins attack invaders before they get to the blood stream?
A) IgA
B) IgD
C) IgE
D) IgM
A
You might also like to view...
What is the cause of Jupiter's slight flattening, which results in an equatorial diameter 6% greater than its polar diameter?
A. its frequent reversal of its magnetic poles B. nuclear fission within its core C. its massive gravitational pull D. its rapid spin cycle
Which plankton are the most numerous primary consumers of the ocean?
a. cyanobacteria b. diatoms c. dinoflagellates d. coccolithophores e. zooplankton
Which of the following natural threats to human health is least predictable, meaning that there is usually the least amount of lead time before a disaster?
A) Earthquakes, tsunamis, and tornados B) Forest fires C) Hurricanes and floods D) Severe snowstorms
All of the following are true statements about the Yucca Mountain Waste Disposal Site except
A. it is 200 to 400 meters above the water table and is in a region with an arid climate, so that groundwater pollution potential is minimal. B. it has been designed for long-term storage of high-level nuclear waste. C. it is located in a low-permeability, high thermal resistant rock. D. it is more than 100 miles from a major metropolitan center.