When mast cells degranulate and release histamine, which of the following events may occur?
A) constriction of small blood vessels
B) bronchial spasms
C) increased mucus production
D) both constriction of small blood vessels and bronchial spasms
E) both bronchial spasms and increased mucus production
E
Bloom's Taxonomy: Comprehension
Section: Hypersensitivities
Learning Outcome: 18.3
You might also like to view...
Understanding the role of telomerase has helped scientists decipher the number of times a cell can divided. If scientists could increase the telomerase activity in specific cells this could prevent
A. aerobic respiration. B. All of the answer choices are correct. C. meiosis. D. cancer cell formation. E. aging of cells.
Identify the only correct statement regarding the heritability of a trait
1.Heritability of a particular trait can be calculated only in individuals, not in populations. 2.Heritability defines the genetic contribution to a trait in a population of relatives. 3.In heritability studies, the correlation coefficient is a measure of the total number of relatives affected by the trait. 4.Heritable traits are not affected by the environment.
Oysters and many other mollusks produce many offspring of which only a few survive to adulthood and then have little risk of predation with their strong adult shells. Oysters are an example of an organism with a type ______ survivorship curve.
A. 0 B. I C. II D. III E. IV
Ampicillin, amoxicillin, mezlocillin, and penicillin G all have
A. an expanded spectrum of activity. B. a semisynthetic nature. C. a beta-lactam ring. D. resistance to the action of penicillinase. E. All of the choices are correct.