Which of the following types of medication would MOST likely reduce a patient's ability to compensate when in shock?
A) Tricyclic antidepressants
B) Calcium channel blockers
C) Nasal decongestants
D) Beta-2 adrenergic agonists
Answer: B) Calcium channel blockers
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Stroke volume can be calculated using which formula?
a. Ejection fraction ? heart rate b. End-diastolic volume ? end-systolic vol-ume c. Ejection fraction ? end-systolic volume d. Cardiac output รท end-diastolic volume
What mechanism has been found to be useful in minimizing the development of pneumonia asso-ciated with intubated patients?
a. Elevation of the head of the bed b. Frequent suctioning through the endotra-cheal tube c. Maintaining the patient on severe fluid restriction d. Use of tracheal gas insufflation
The ________, or heel bone, is the largest tarsal bone.
A. calcaneus B. fibula C. femur D. ulna E. tibia
All of the following drugs may cause hyperglycemia except:
A) thiazide diuretics B) oral contraceptives C) alcohol D) calcium channel blockers