A significant Q wave
A) implies myocardial injury.
B) is seen only in subendocardial MIs.
C) is either 0.04 seconds wide or 1/3 to 1/4 the size of the R wave.
D) is taller than the peak of the T wave.
C
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What is certification
What will be an ideal response?
The therapist is performing endotracheal suctioning on a patient who has thick tracheobronchial secretions. The patient's nurse suggests that the therapist instill 5 ml of normal saline directly down the ETT to thin the patient's secretions. How should the therapist respond to this suggestion?
A. Comply with the nurse's suggestion. B. Tactfully inform the nurse that 5 ml of sterile water would produce better results. C. Enlighten the nurse that her suggestion has little to no merit. D. Instill 10 ml of normal saline, instead of 5 ml.
Which of the following substances are vital in the function of the sympathetic nervous system?
A. Epinephrine and norepinephrine B. Aldosterone and dopamine C. Cortisol and epinephrine D. Aldosterone and cortisol
Lidocaine was the first amide local anesthetic drug developed by Lofgren in 1943
A) True B) False