The release of ________ during a type I hypersensitivity reaction contributes to swelling.
A. histamine
B. prostaglandins
C. leukotrienes
D. both histamines and leukotrienes
E. both proteases and prostaglandins
Answer: D
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Which of the following lung volumes change during exercise?
a. residual volume b. tidal volume c. vital capacity d. lung capacity e. lung volume
Single nucleotide polymorphisms (SNPs) are organized into blocks called ____ and are inherited together
a. haplotypes b. chromosome assemblies c. DNA assemblies d. multifactorial genes e. threshold groups
During the last few years, scientists have observed that caribou have had difficulty migrating due to the melting of the ________, creating impassable wetlands where there was once solid ground
A) glaciers B) ice caps C) icebergs D) permafrost
If the pH of a solution is decreased from 7 to 6, it means that the:
a. concentration of the H+ has decreased to 1/10 of what it was b. concentration of the H+ has increased to 10 times what it was c. concentration of OH- has increased to 10 times what it was d. concentration of the OH- has increased by 1/7 of what it was e. solution has become more basic