Wet gangrene, so called because the infected area oozes foul smelling liquid, occurs as a result of:
A) group A hemolytic streptococci.
B) pressure ischemia.
C) Stevens-Johnson syndrome.
D) an untreated infection.
Answer: D
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Quickly answer the telephone in the medical office by the ________ ring, if possible
a. second b. third c. fourth d. fifth
The EMT shows that she understands the difference between classic angina and an acute myocardial infarction (MI) when she states:
A) "Classic angina occurs when the heart rate becomes too fast; an acute MI is the result of coronary artery disease." B) "Classic angina is not accompanied by other symptoms like shortness of breath; the chest pain with an acute MI is." C) "The pain in an acute MI is typically described as stabbing; the pain with classic angina is more pressure-like." D) "An acute myocardial infarction results in the death of cardiac tissue; classic angina does not."
A physician has ordered the antiviral agent ribavirin (Virazole) to be administered by aerosol to an infant with bronchiolitis. Which of the following devices would you recommend in this situa-tion?
a. Hydrodynamic (Babbington) nebulizer b. Small-particle aerosol generator (SPAG) c. Ultrasonic (piezoelectric) nebulizer d. Large-volume heated jet nebulizer
The area of the conduction system that initiates the impulse is called the
A) pacemaker. B) internodal tract. C) lead. D) bundle of His.