Trace the pathway the lord takes through the heart and lungs.
A. Pulmonary vein, right atrium, right ventricle, lungs, left atrium, left ventricle, and aorta.
B. Vena cava, right atrium, right ventricle, lungs, left atrium, left ventricle, and aorta.
C. Vena cava, left atrium, left ventricle, lungs, right atrium, right ventricle, and aorta.
D. Aorta, right atrium, right ventricle, lungs, left atrium, left ventricle, and pulmonary artery.
Answer: B. Vena cava, right atrium, right ventricle, lungs, left atrium, left ventricle, and aorta.
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An adult man on ventilatory support has just been intubated with a 7-mm oral endotracheal tube equipped with a high-residual-volume, low-pressure cuff
When sealing the cuff to achieve a minimal occluding volume, you note a cuff pressure of 45 cm H2O. What is most likely the problem? a. The tube chosen is too small for the pa-tient. b. The cuff pilot balloon and line are ob-structed. c. The tube is in the right main stem bron-chus. d. The cuff has herniated over the tube tip.
Which of these is an example of an administrative skill?
A) collecting specimens B) performing vital signs C) administering medications D) medical record preparation
In the neuromuscular junction of skeletal muscle,
A) acetylcholine (ACH) activates muscle function. B) gamma aminobutyric acid (GABA) activates muscle function. C) dopamine (DA) activates muscle function. D) none of the above.