The microbe which causes primary atypical pneumonia is
A) Bordetella pertussis.
B) MERS.
C) Chlamydophila pneumoniae.
D) Mycoplasma pneumoniae.
E) SARS.
D
Bloom's Taxonomy: Comprehension
Section: Bacterial Diseases of the Lower Respiratory System
Learning Outcome: 22.12
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Recent scientific studies of the impact of microbiota on the amount of fat versus lean body mass (i.e., body composition) are described in your text. How do those studies illustrate the importance of microbiota communities in our bodies?
A) If transferred to lean humans, intestinal microbiota of obese humans will cause obesity. B) If transferred to obese humans, intestinal microbiota in lean humans will cause exaggerated obesity. C) The studies suggest that mice are an unreliable model organism to use for studies of human intestinal microbiota and obesity. D) The studies suggest that intestinal microbiota may be involved in regulating our digestive processes.
Consider a gram-negative human pathogen isolated from marine mammals. This pathogen is subjected to a series of tests and found to have the following characteristics: oxidase-positive; does not hydrolyze urea; produces indole; does not produce acetoin. Which of the following could it be?
a. Pasteurella multocida b. Mannheimia haemolytica c. Klebsiella pneumoniae d. Yersinia enterocolitica
Match the following items with the correct phrases.
_______1. Membrane-bound organelles where photosynthesis occurs. _______2. The sites of protein synthesis in procaryotic cells. _______3. Membrane-bound organelles where energy is produced by the Krebs cycle and electron transport chain. _______4. Short, hairlike projections that are used as organelles of locomotion by some eucaryotic cells. _______5. Found in procaryotic cells as well as eucaryotic cells. _______6. The sites of protein synthesis in eucaryotic cells.
Which of the following statements is true regarding cell-cell adhesion?
A) Adhesion is coordinated with many cellular processes except cell survival. B) Adhesion molecules include plakoglobulin, which cements two cells together. C) Adherens junctions are exclusive to plant cells. D) Adhesive junctions are characterized by the attachment of long molecules of hyaluronate. E) Adhesive junctions are dynamic in response to cellular signals.