If a T cell is exposed to a "hidden" antigen, what kind of immune reaction will result?
A) an autoimmune disease
B) a delayed hypersensitivity reaction
C) a cytotoxic hypersensitivity reaction
D) allergic contact dermatitis
E) an allergy
A
Bloom's Taxonomy: Comprehension
Section: Autoimmune Diseases
Learning Outcome: 18.16
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Answer the question using the accompanying figure. During metamorphosis of a tadpole, 'A' is the ____
a. thyroid b. parathyroid c. hypothalamus
d. adrenal cortex e. posterior pituitary
The half-life of 14C is 5,730 years. If, after 11,460 years, an organism dies, what percent of the initial 14C will still be present in the organism's bones?
A. 75% B. 0% C. 25% D. 100% E. 50%
How did the control group differ from the
experimental group in the butterfly experiment? a. They were different species. b. Their native habitat area of the forest differed. c. They tasted worse. d. They had unmodified wing spots. e. They preferred different flower species.
A functional group added to a hydrocarbon usually makes the hydrocarbon:
A) polar. B) nonpolar. C) acidic. D) an isomer. E) hydrophobic.