Which hormone is responsible for stimulation of metabolism?
a. growth hormone
b. cortisol
c. thyroxine
d. parathyroid hormone
c. thyroxine
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Which one of the following is an irregular, gram-positive rod?
A) Bordetella pertussis B) Corynebacterium diphtheriae C) Burkholderia pseudomallei D) Streptococcus pyogenes E) Pneumocystis jirovecii
Diagnosis of the leishmaniasis is based on finding the parasite within infected ________.
A. eosinophils B. lymphocytes C. macrophages D. mast cells
A nonprotein component of an enzyme that is loosely attached to the protein component is referred to as a(n)
A. holoenzyme. B. apoenzyme. C. coenzyme. D. prosthetic group.
How do fibrinolysins enhance a pathogen's virulence?
A) They destroy the molecules that hold cells together. B) They break down fibrin proteins that are involved in clot formation, allowing the cells to penetrate deep into damaged skin. C) They destroy the fibers that are found at the base of superficial tissues, allowing for deeper penetration by the pathogen.