Which of the following interventions can help relieve hay fever?
A. Aspirin
B. Breathing into a paper bag
C. Nasal vasodilators
D. Antihistamines
Answer: D
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What is derived from the following formula? (Hb x 1.34 x SvO2) + (PvO2 x 0.003)
A. CvO2 B. CcO2 C. CaO2 D. DO2
The ________ is the flap-like structure that closes off the larynx during swallowing so that food and liquids do not enter the respiratory system when swallowing occurs.
Fill in the blank(s) with the appropriate word(s).
The three types of reconstruction flaps are _____.
A. DIEP flap, TRAM flap, and LD flap B. DEIP flap, TRMA flap, and LD flap C. DEEP flap, TRAM flap, and LP flap D. PEEP flap, FARM flap, and FLIP flap
How does positive-pressure ventilation affect cardiac output?
A. There is no effect on cardiac output because positive-pressure ventilation is the act of normal breathing. B. It decreases intrathoracic pressure, which facilitates venous return to the heart and increases cardiac output. C. It causes pressure in the chest to decrease, which increases stroke volume and cardiac output. D. It increases intrathoracic pressure, which decreases venous return to the heart and causes a decrease in cardiac output.