Your chest pain patient has a pulse of 48. Which pacemaker do you suspect is malfunctioning?

You and another new EMT are studying your local protocols. The other EMT notices that you may give oral glucose without utilizing on-line medical control, but you must get an on-line order from a physician before assisting a patient in taking his nitroglycerin for chest pain. The EMT asks you why some drugs require on-line medical control while others do not. What is the best answer to give him?

A) The patient's nitroglycerin might be expired. B) The physician wants to be sure it is appropriate for the patient. C) Glucose is only sugar so it cannot hurt the patient. D) The physician does not trust EMTs.

Which device is appropriate for assessing a patient's response to bronchodilator therapy at the bedside?

a. Stead-Wells spi-rometer c. Inductive plethys-mograph b. Mainstream capno-graph d. Rotating-vane flowmeter