The loss of muscle tone results in:
A) rigidity.
B) spasticity.
C) paresthesia.
D) flaccidity.
Question 2
A car has been hit head-on by another vehicle at a moderate rate of speed. Seat belts were in place and the air bags deployed. The patient is complaining of chest pain. Quick observation reveals a bruise to his sternum. The EMT would immediately:
A) deflate the air bag to get breath sounds.
B) check the windshield for starring.
C) suspect an injury related to the air bag.
D) lift the air bag and check the steering wheel.
Regulation of muscle contraction by tropomyosin and troponin
Action Potentials and Contractions of a Muscle Fiber
Cyanosis as shown here at the patient’s fingertips results from a lack of oxygen in the tissues
Many diesel fuel additives increase the cetane rating which results in improved fuel economy.
The sliding filament model of muscle contraction
Three types of muscle tissue