The term _______________ describes the movement of molecules across a membrane down a pressure gradient from an area of higher pressure to and area of lower pressure normally resulting from hydrostatic forces
a. Filtration
b. Carrier-mediated diffusion
c. Active transport
d. Osmosis
a
Rationale: a. Filtration is correct.
b. Carrier-mediated diffusion occurs when a protein is involved in binding and causing change in membrane shape to allow diffusion.
c. Active transport involves the use of energy to cause diffusion.
d. Osmosis is the movement of water from an area of low solute concentration to an area of high solute concentration.
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An appointment matrix is normally created
a. a year in advance. b. several weeks in advance. c. several months in advance. d. b and c
You have transported a stable patient with complaints of having abdominal pain for the last three weeks to the hospital. On arrival, you notice the emergency department is very busy and there are no empty beds to be found. You have attempted to get the attention of a hospital staff member to transfer the patient, but all are currently helping other patients. Your partner tells you to take the
patient to the waiting room and leave him since the dispatcher of your service is holding several serious calls. What could possibly happen to you if you leave the patient in this fashion? A) Nothing, provided that your supervisor authorizes this action. B) You could possibly be charged with abandonment. C) Nothing; there are other people who are in need of an ambulance. D) You could possibly be charged with false imprisonment.
Which of the following best describes the practice of universal precautions?
A) It is a practice described by the National Institute for Occupational Safety and Health (NIOSH) in which a select few samples in a clinical laboratory should be treated as if they were known to contain infectious agents such as HBV, HIV, and other bloodborne pathogens. B) It is a voluntary practice in which every clinical laboratory should treat all human blood and other potentially infectious material as if they were known to contain infectious agents such as HBV, HIV, and other bloodborne pathogens. C) It is a practice described by the National Institute for Occupational Safety and Health (NIOSH) for hospitals that have more than 100 beds. D) It is a practice described by the National Institute for Occupational Safety and Health (NIOSH) in which every clinical laboratory should treat all human blood and other potentially infectious material as if they were known to contain infectious agents such as HBV, HIV, and other bloodborne pathogens.
An accelerated idioventricular rhythm is characterized by all of the following, EXCEPT:
A) QRS complexes greater than 0.12 seconds in duration. B) irregular R-R intervals and a rate less than 40 beats/min. C) wide QRS complexes with P waves buried in the T waves. D) regular R-R intervals and a rate between 40 and 100 beats/min.