A patient is being evaluated in the pulmonary clinic. He reports that he smoked a pack and a half of cigarettes (30 cigarettes) per day for 20 years. How should the respiratory therapist describe the patient's smoking history?
A. 20 pack-years
B. 25 pack-years
C. 30 pack-years
D. 60 pack-years
Answer: C. 30 pack-years
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The speed at which a toxin is distributed in the body is affected by:
a. the heart rate. b. body mass. c. the respiratory rate. d. urination.
When a patient has ____, the patient experiences severe pain whenever the humerus is internally rotated or elevated because the motion compresses the acromion against the tendons and bursa.
A. medial collateral impingement syndrome B. shoulder impingement syndrome C. anterior cruciate herniation D. sternoclavicular dislocation
Which of the following parameters is most commonly used to monitor tissue inflammation?
A) Bleeding B) Color C) Contour D) Texture E) Mobility
Water balance is regulated by the perception of thirst and the secretion of:
A. urea B. uric acid C. ADH D. aldosterone