The trachea is formed by C-shaped rings connected in the back by a strip of smooth muscle. This posterior smooth muscle connection allows for:
A) the movement of food through the esophagus.
B) the movement of air through the trachea.
C) the movement of food through the trachea.
D) the movement of air through the esophagus.
A
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The entire visible tooth, the crown and the exposed root together is referred to as the __________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following are hazards or complications of Intermittent Positive-Pressure Breathing (IPPB) according to the American Association for Respiratory Care (AARC) Clinical Practice Guideline: Intermittent Positive-Pressure Breathing?
I. increased airway resistance II. barotrauma III. impedance of venous return IV. gastric distension A) I B) I and II C) I, II, and III D) I, II, III, and IV
List three common sexually transmitted diseases (STDs) and describe their symptoms and treatments.
What will be an ideal response?
The sac of tissue that encloses the entire heart is the:
A. pericardium. B. ventricle. C. myocardium. D. atrium.