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| Pregunta | Respuesta |
| Which of the following bacterial diseases of the respiratory system can be prevented by vaccine? Choose one: A. bacterial sinusitis B. diphtheria C. Pseudomonas pneumonia D. pharyngitis | B. diphtheria |
| Facultative intracellular pathogens Choose one: A. can live either inside or outside host cells. B. are killed by fusion of the phagosome with the lysosome. C. do not require oxygen to survive. D. live exclusively inside host cells. | A. can live either inside or outside host cells. |
| Biofilms are clinically relevant because Choose one: A. they are organized, high-density communities of cells. B. they coordinate their behavior through cell-cell communication. C. bacteria in biofilms are more resistant to antimicrobial drugs. D. they interfere with cytokine production. | C. bacteria in biofilms are more resistant to antimicrobial drugs. |
| All of the following are true about Candida except Choose one: A. it can cause serious problems in patients who are immunocompromised. B. it is a dimorphic yeast. C. it is found in the gastrointestinal tract, vaginal tract, oral cavity, and skin. D. it is not part of the normal biota. | D. it is not part of the normal biota. |
| Latent herpes virus DNA produces microRNAs. The purpose of these microRNAs is to Choose one: A. interfere with host cell apoptosis. B. kill the host cell. C. make more virions. D. make toxins. | A. interfere with host cell apoptosis. |
| The white enanthem, known as Koplik's spots, shown in the mouth of this individual is followed by the maculopapular rash shown in the image of a child’s back. These signs are indicative of Dr. P. Marazzi / Science Source; Biophoto Choose one: A. German measles. B. roseola infantum. C. fifth disease. D. measles. |
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