Which of the following would you expect to be reduced during an acute asthma episode?
A. PEFR
B. RV
C. heart rate
D. FRC
Answer: A
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The sac that covers the lung is called the:
A. parietal pleura. B. pleural fluid. C. visceral pleura. D. pleural cavity.
A 49-year-old truck driver comes to the emergency room for shortness of breath and swelling in his ankles. He is diagnosed with congestive heart failure and admitted to the hospital. You are the student assigned to do the patient's complete history and physical examination. When you palpate the pulse, what do you expect to feel?
A) Large amplitude, forceful B) Small amplitude, weak C) Normal D) Bigeminal
Which of the following is not an advantage of the paralleling technique?
A) It is ideal for positioning radiographs for children. B) It minimizes superimposition of adjacent structures. C) It produces images with minimal dimensional distortion. D) With appropriate image receptor-holding devices, it takes less time than trying to locate the position of an imaginary bisector.
The patient must bite down on the biteblock as far away from the teeth as possible, using the full extent of the biteblock to maintain a parallel relationship between the image receptor and the teeth in all regions of the oral cavity except the
A) maxillary incisors and canines. B) mandibular incisors and canines. C) maxillary premolars and the maxillary molars. D) mandibular premolars and the mandibular molars.