Dendritic cells
A. contain granules with histamine and other pharmacologically active substances that contribute to the inflammatory response.
B. are capable of recognizing specific pathogen-associated molecular patterns and play an important role in nonspecific resistance.
C. are mainly important in the defense against protozoan and helminth parasites.
D. play an important role in the development of allergies and hypersensitivity.
Answer: B
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What is the interpretation of the following patient results? (normal values) WBC = 25.0 th/uL (5.0-10.0 th/uL), with 78% blasts; CD3 = 83% (60-80%); CD5 = 90% (60-80%); CD10 = 2% (< 1%); CD4 = 85% (30-65%); CD20 = 1% (5-20%); CD34 = 0% (< 1%); CD8 = 87% (10-40%); kappa = 1% (3-15%); lambda = 0% (2-10%); CD19 = 2% (5-20%).
A) normal B) B-cell acute leukemia C) T-cell acute leukemia D) B-cell chronic leukemia E) T-cell chronic leukemia
Which of the following is not a category of antimicrobial drugs?
A) Those that inhibit cell wall synthesis B) Those that inhibit DNA and RNA structure and function C) Those that inhibit protein synthesis D) Those that interfere with cell membrane structure and function E) Those that inhibit mRNA processing in the nucleus
Four of the following are features of humans that differentiate us from apes. Which one is the exception?
A. Bipedalism B. Large canine teeth C. Larger brain D. Little body hair E. Precision grip
The features common to all chordates are: ________, ________, ________, and ________
Fill in the blank(s) with correct word