When the diaphragm and intercostal muscles contract:
A. atmospheric pressure draws air out of the lungs.
B. intrapulmonary and atmospheric pressures are equal.
C. intrapulmonary pressure falls below atmospheric pressure.
D. atmospheric pressure exceeds intrapulmonary pressure.
Answer: C. intrapulmonary pressure falls below atmospheric pressure.
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Under the apothecary system, three-fourths of a grain would be ________
a. ¾ gr b. gr ¾ c. ¾ d. none of the above
A 66-year-old male has summoned your assistance because he is short of breath and his home pulse oximeter is reading 89%, despite 3 lpm of home medical oxygen. Assessment reveals an intact airway and adequate breathing. His radial pulse is normal and skin hot and dry. Vital signs are: pulse 84, respirations 18, and blood pressure 166/86 mmHg. Breath sounds are clear bilaterally. His pulse
oximeter is fluctuating between 88% and 90%. In this situation you would first: A) check his SpO2 with your pulse oximeter. B) place him on 15 lpm of oxygen with a nonrebreather. C) request advanced life support assistance. D) increase oxygen flow to 6 lpm through the nasal cannula.
Code for the dilation of the vagina under anesthesia (non-local)
A) 57311 B) 57335 C) 57400 D) 57415
Work-related stress may be covered by Workers' Compensation in some states.
Answer the following statement true (T) or false (F)