Which of the following statements best describes a low explosive?
a. A substance that detonates with an accompanying blast.
b. A substance that deflagrate when unconfined, that is, through propagating energy comparatively slowly by burning.
c. Low explosives are typically formed using mercury fulminate, lead azide, and lead styphnate.
d. Low explosives are substances that are relatively insensitive to heat, mechanical shock, and friction.
B
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The rhythm in which ALL atrial activity is depicted as chaotic undulations of the baseline is called:
A) Atrial Flutter. B) Sinus Tachycardia. C) Atrial Tachycardia. D) Atrial Fibrillation.
Which of the following characteristics is false for iodophors as disinfectants?
a. Water soluble b. Nonstaining c. Less irritating to tissue d. Bacteriostatic
Cilia help keep the lungs clean
Indicate whether the statement is true or false
The EMT should suspect left-sided heart failure in the geriatric patient who presents with:
A. jugular venous distention and peripheral edema. B. fever and a cough that produces green sputum. C. tachypnea and paroxysmal nocturnal dyspnea. D. swelling of the lower extremities and weakness.