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1. The distance from pre-auricular crease to pre-auricular crease is 35 cm.  What is the distance between C3 and C4?

a. 3.5 cm

b. 7 cm

c. 10 cm

d. 14 cm

Answer: d

2. Chains of sharply contoured or triangular waveforms of 2-6 Hz maximal in amplitude over the central head regions, often preceded by a burst of rapid eye movements  are:

a. K complexes.

b. Saw-tooth waves.

c. Sleep spindles.

d. Vertex waves.

Answer:  b

3. An irregularly irregular ventricular rhythm with rapid oscillations varying in timing, shape and size that replace the P waves would be scored as:

a. Atrial fibrillation.

b. Atrial flutter.

c. Ventricular fibrillation.

d. Ventricular tachycardia.

Answer: a

4. Which of the following is  RECOMMENDED  to detect an apnea?

a. Inductance plethysmography.

b. Intercostal EMG.

c. Oronasal thermal sensor.

d. Pressure transducer.

Answer: c

5. A breathing pattern characterized by at least three cycles of crescendo and decrescendo breathing with duration of at least 10 minutes is:

a. Cheyne Stokes respiration.

b. Hyperventilation.

c. Hypoventilation.

d. Pulmonary hypertension.

Answer: a

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