Which statement shows that the EMT understands the use of a tourniquet in controlling bleeding?
A) "A tourniquet should be applied tightly enough that arterial blood flow distal to the tourniquet is completely stopped."
B) "If the tourniquet appears to have stopped the bleeding, the EMT should loosen it slightly to allow a small amount of blood to perfuse the tissues."
C) "If a blood pressure cuff is used as a tourniquet, the EMT should inflate it approximately 50 mmHg above the patient's systolic blood pressure."
D) "Since arteries run close to the body's surface in a joint, the best place to apply a tourniquet is over the joint just above the site of hemorrhage."
A) "A tourniquet should be applied tightly enough that arterial blood flow distal to the tourniquet is completely stopped."
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Plastics that are not cured or hardened during the manufacturing process and that soften and melt when exposed to heat are:
A) thermosetting plastics. B) thermoplastics. C) elastomers. D) polyurethanes.
Potential harmful effects of nasal CPAP include which of the following?
a. Volutrauma b. CO2 retention c. Oxygen toxicity d. Ventilator-induced lung injury
On which of the following patients would it be MOST appropriate to use the flow- restricted, oxygen-powered ventilation device?
A. an 8-year-old female with respiratory failure B. a 21-year-old male with traumatic cardiac arrest C. a 38-year-old apneic female with blunt chest trauma D. a 59-year-old male with chronic obstructive pulmonary disease (COPD)
When different levels of contextual interference during motor skill practice are compared, results typically show that:
A. A high contextual interference schedule is better during practice, but a low contextual interference schedule shows better transfer performance B. A low contextual interference schedule is better during practice, but a high contextual interference schedule shows better transfer performance C. Both low and high contextual interference schedules are similar during practice, but the low schedule shows better transfer performance D. Both low and high contextual interference schedules are similar during practice, but the high schedule shows better transfer performance