Because Amanda has cystic fibrosis, she is a frequent patient at her local hospital due to lung
infections. On one visit, she was infected with P. aeruginosa. In her lungs, these bacteria
secrete a protective substance that forms a layer over the bacteria. This layer is likely a(n)
__________.
a. biofilm
b. histamine
c. antimicrobial protein complex
d. complement toxin
A
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The high mortality rate for patients with MDR-TB and XDR-TB is due in part because of the severe side effects from the daily multidrug regimen and the stimulation of a strong cell-mediated immune response.
Answer the following statement true (T) or false (F)
If the cell was a cube and you doubled the height, width, and length of the cell, how much would the volume increase?
A. 9-fold B. It would stay the same. C. 8-fold D. 4-fold E. 2-fold
In hearing, the last place that pressure or sound waves pass through is the
a. bones of the middle ear. b. tympanic membrane. c. oval window. d. round window. e. tectorial membrane.
Answer the following questions true (T) or false (F)
1. Lipid A can cause septic shock. 2. Lymph is produced in the lymph nodes. 3. Small doses of antimicrobial drugs are effective in treatment of the late stages of Borrelia infection because the microbe is extremely susceptible.