Which of the following organisms have been found to colonize the oropharynx of healthy indi-viduals?
a. Coccidioides immitis
b. Haemophilus influenzae
c. Histoplasma capsulatum
d. Mycobacterium
ANS: B
In routine sputum culture, the isolation of bacteria, such as S. pneumoniae and H. influenzae, must be interpreted within the context of the Gram stain because these organisms can colonize the oropharynx, and their presence in culture may not signify true lower respiratory tract infec-tion.
You might also like to view...
How much of an increase in payment will payers allow for a bilateral procedure?
A) 20% B) 30% C) 40% D) 50%
Answer the following statement(s) true (T) or false (F)
1. An endogenous infection is one that is caused by the introduction of a pathogen from outside the body. 2. Fomites are inanimate objects, such as clothing, body fluids, water, food, or even a stethoscope, which may be contaminated with infectious organisms and serve to transmit disease. 3. Escherichia coli bacteria can cause severe food poisoning. 4. Established diseases have become resistant to antibiotics used to treat them. 5. Edward Jenner developed the first effective vaccine against chickenpox.
Health education and ______focus on changing attitudes and behaviors to prevent or lessen the impact of disease.
Fill in the blank(s) with the appropriate word(s).
Which of the following is the best definition of a seizure?
A. Inadequate perfusion in the brain, leading to cell death. B. A brief period of unresponsiveness, with the patient slowly coming back to baseline mental status. C. A sudden and temporary alteration in brain function caused by abnormal electrical impulses in the brain. D. A series of rapid, jerky movements and loss of bowel/bladder control.