An agricultural worker experiences difficulty breathing which becomes progressively worse. Tests show inflammation and damage of the lung tissue, but IgE antibodies and granulocytes are in the normal ranges. With which disorder of the immune system are these signs and symptoms consistent?
A) allergic reaction
B) type III (immune complex-mediated) hypersensitivity
C) type IV (delayed) hypersensitivity
D) autoimmunity
E) acquired immunodeficiency
B
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Which of the following is not a characteristic of Saccharomyces cultures?
a. The cells are haploid. b. The cells have a relatively short generation time. c. Cells reproduce asexually by budding. d. The cells can be induced to reproduce sexually. e. All answers are true of Saccharomyces cultures.
Bone plays a critical role in providing ____ for the blood
a. sodium and calcium ions b. magnesium and phosphate ions c. carbon dioxide d. phosphate and calcium ions e. calcium ions and oxygen
An artery is indicated by
a. A. b. B. c. C. d. D. e. E.
Which connective tissue has a fluid matrix?
A. adipose B. cartilage C. loose connective tissue D. dense connective tissue E. blood