"An aluminum bell suspended by a chain-and-pulley mechanism with a weight that counterbal-ances the weight of the bell" describes which of the following?
a. Dry rolling spirom-eter c. Bellows spirometer
b. Water-sealed spi-rometer d. Pneumotachograph
ANS: B
This is the description of a water-sealed spirometer.
Health Professions
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Q waves are considered abnormal or pathologic if they are:
A) greater than 0.02 seconds wide and consistently precede the R wave. B) more than one third the overall height of the QRS complex in lead II. C) not visible in leads I or II when the QRS gain sensitivity is increased. D) present in a patient who is experiencing chest pressure or discomfort.
Health Professions
Which of the following is the most common cause of Fanconi syndrome?
A) Cystinosis B) Wilson's disease C) Glycogen storage disease D) Galactosemia
Health Professions