Critically ill patients receiving invasive mechanical ventilation have been found to have which of the following microorganisms not typically present in healthy individuals?
a. Anaerobes
b. Haemophilus species
c. Gram-negative bacilli
d. Viridans group of streptococci
ANS: C
During critical illnesses, particularly in patients with an endotracheal tube and those receiving mechanical ventilation, a dramatic shift occurs in the flora of the oropharyngeal tract to gram-negative bacilli and Staphylococcus aureus.
You might also like to view...
Which of the following federal acts extended civil rights to people with disabilities?
a. Health Insurance Portability and Accountability Act of 1996 b. Patient Protection and Affordable Care Act of 2010 c. Rehabilitation Act of 1973 d. Americans With Disabilities Act of 1990
A 26-year-old female is in neurogenic shock from an injury to her spine. Her blood pressure is 100/72, and she is having trouble breathing. Which of the following is correct care for this patient?
A. Place her in the recovery position. B. Have her drink water to reverse hypovolemia. C. Ensure an airway and adequate breathing. D. Place ice packs under her armpits and on her abdomen.
Which type of wax is used in fabrication of a denture?
casting wax baseplate wax bite registration wax utility wax
What diagnostic parameter is most often used to confirm the diagnosis of RDS?
a. Arterial blood gases b. Chest radiograph c. Pulmonary function test d. Serum enzymes