Cardiogenic shock following AMI is caused by:

A. decreased pumping force of the heart muscle.
B. a profound increase in the patient's heart rate.
C. hypovolemia secondary to severe vomiting.
D. widespread dilation of the systemic vasculature.

Answer: A. decreased pumping force of the heart muscle.

Health Professions

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Vehicle supplemental restraint systems (air bags) are meant to:

A) prevent unrestrained occupants from taking the down-and-under pathway in frontal impacts. B) protect infants and children who ride in the front seat of the vehicle. C) prevent injury from secondary impacts. D) absorb the energy exchange of rapid deceleration.

Health Professions

Which of the following is NOT true about the P wave in all junctional rhythms?

A) It can fall before or after the QRS. B) It will be inverted in Lead II. C) It is unrelated to the QRS. D) It can be hidden in the QRS.

Health Professions