________ lacks the capacity to remember a pathogen or react differently to it in the future, whereas ________ utilizes memory cells to adapt to a given pathogen and ward it off more easily in the future.
A. A natural killer cell; a macrophage
B. Adaptive immunity; innate immunity
C. Innate immunity; adaptive immunity
D. Innate immunity; cytotoxicity
Answer: C
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The root of the equine mane is the ____________
Fill in the blank(s) with correct word
The primary characteristic of muscle tissues is their ability to _____
Fill in the blank(s) with correct word
The actions of glucocorticoids include
a. increased gluconeogenesis and glycogenolysis. b. increased fat mobilization. c. increased breakdown of muscle proteins. d. anti-inflammatory and immunosuppressive effects at pharmacological levels. e. all of these answers.
The human immunodeficiency virus (HIV) is able to cause widespread immunodeficiency because ________.
A. the HIV virus blocks the activation of the complement system B. the HIV virus interferes with activation of both B cells and T cells C. the HIV virus infiltrates the cells responsible for innate immunity, the first line of defense against pathogens D. through infection of T cells, HIV prevents the product of antibodies against the virus