If there are 9 QRS complexes found in 2 vertical 3 second marks on an ECG, what would the rate equal?
a. 90 c. 80
b. 60 d. 45
a. 90
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Which classification of beam and girder frame has joints that are designed to support a vertical force?
A. Rigid B. Simple C. Semirigid D. Permarigid
In which of the following conditions is total lung capacity (TLC) always reduced?
a. Restrictive lung disease b. Obstructive lung disease c. Combined restrictive and obstructive dis-ease d. Acute airways obstruction
Which of the following injection technique errors can cause facial nerve paralysis following an IA nerve block?
A) Penetration into the medial pterygoid muscle B) An overdose of anesthetic drug C) Overinsertion into the capsule around the deep lobe of the parotid gland D) Overinsertion into the capsule around the TMJ
Match the following items with the correct statement as they relate to mobile radiography.
a. 110–120 volts b. capacitor discharge c. Picker Corporation d. high frequency output e. 56 inches f. rechargeable batteries g. tethered detector h. low ratio and high frequency i. dead man switch j.CVP line 1. digital receptor with electrical cord 2. x-ray beam quality with current-day portable units 3. typical power source for recharging batteries 4. convenient SID for mobile radiography