If someone had a cut in their skin through which a bacterium entered, but that bacterium was then destroyed by a neutrophil, this would be an example of
A. failed external adaptive immunity, but successful innate immunity.
B. failed innate immunity, but successful adaptive immunity.
C. failed external innate immunity, but successful internal innate immunity.
D. failed external immunity, but successful internal acquired immunity.
C
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Muscles of the thorax include the internal and external intercostal and diaphragm.
Answer the following statement true (T) or false (F)
In which of the following would the blood flow be highest?
A) a vessel 0.5 cm in diameter and 2 meters long B) a vessel 1.0 cm in diameter and 10 meters long C) a vessel 0.5 cm in diameter and 4 meters long D) a vessel 1.0 cm in diameter and 2 meters long
Which quality is NOT a benefit of a mule over a horse?
a. Mules have a hardier digestive system. b. Mules are capable of pulling larger weight loads. c. Mules need less food. d. Mules endure heat better than horses.
Temporal summation is used in the body to
A. increase the amount of force generated by skeletal muscle fibers. B. activate nearby skeletal muscle fibers, when a muscle fiber is under constant stimulation. C. maintain constant tension in a muscle fiber every time it contracts. D. decrease muscle contraction in muscle fibers, to prevent damage to the cells. E. accomplish all of these functions.