Arrest rates for violent crime have risen MOST in which age group?

Following administration of nitroglycerin to a man with crushing chest pressure, he experiences a significant increase in his heart rate. This is MOST likely the result of:

A) a cardiac dysrhythmia. B) preexisting hypertension. C) a drop in blood pressure. D) coronary vasoconstriction.

Which of the following statements regarding field extubation is correct?

A) It is generally better to sedate the patient rather than extubate. B) The patient should be extubated if spontaneous breathing occurs. C) The risk of laryngospasm following extubation is relatively low. D) Extubation should be performed with the patient in a supine position.