A landscaper who has been working in 105°F weather is found collapsed in a client's yard. He is responsive to painful stimuli and has an open airway. His breathing is shallow, alveolar breath sounds are absent, and radial pulse is weak. The patient's skin is hot and dry and appears to be sunburned. The EMT should immediately:
A) Start positive pressure ventilation
B) Wrap the patient in a sheet soaked with cool water
C) Administer oxygen through a nonrebreather mask
D) Attach the AED, but do not turn it on yet
A) Start positive pressure ventilation
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Which of the following terms indicates pain?
A) Hemiplegia B) Chondromalacia C) Gastralgia D) Rhinorrhea
A patient is receiving continuous mandatory ventilation in the control mode at a rate of 15/min. The expiratory time is 2.9 sec. What is the inspiratory time?
a. 1.1 sec b. 1.3 sec c. 1.5 sec d. 1.7 sec
Platelet count and function studies are performed on a patient with a history of easy bruising, and the following results are obtained:
Test Result Platelet count 295 ´ 109/L Bleeding time Prolonged Platelet aggregation with epinephrine Primary but no secondary wave Platelet aggregation with low-dose adenosine diphosphate (ADP) Primary but no secondary wave Platelet aggregation with ristocetin Normal What is the most likely diagnosis for this patient? a. Bernard-Soulier disease b. Dense granule deficiency c. Glanzmann thrombasthenia d. Gray platelet syndrome
Which of the following mechanisms explains how fluoride works on enamel?
a. Fluoride ions will displace the hydroxide ions in hydroxyapatite, creating fluoroapatite. b. Fluoride ions will increase the number of enamel rods. c. Fluoride ions will decrease the amount of hydroxyapatite. d. Fluoride ions will decrease the penetration of bacteria into enamel.