A sudden drop in blood pressure when moving from a lying down or sitting position to an upright or standing position, causing a loss of balance, is:

An EMT is rapidly extricating a critically injured patient from a severely damaged vehicle. Which one of the following would the EMT recognize as acceptable given this patient's condition?

A) A vest-type or other short spine immobilization device can be omitted, but a cervical collar and manual in-line spinal stabilization are still required. B) Manual in-line spinal stabilization can be omitted in the vehicle, but should be taken once the patient has been extricated and is on the long backboard. C) A vest-type or other short spine immobilization device still needs to be used to extricate the patient from the vehicle. D) The long backboard can be omitted and the patient can be placed directly onto the stretcher as long as a cervical collar has been applied.

A preterm delivery occurs:

A) any time before 40 weeks. B) between 30 and 38 weeks. C) before 37 weeks of gestation. D) between 28 and 36 weeks.