3. Which is an acceptable method of selecting an appropriately sized oropha-ryngeal
airway?
A. Measure from the corner of the mouth to the angle of the mandible
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B. Measure from the thyroid cartilage to the bottom of the earlobe
C.Estimate by using the formula weight (kg)/8 + 2
D.Estimate by using the size of the patient's finger: A. Measure from the cornerof the mouth
to the angle of the mandible
The correct answer is A. To select the appropriate size for an oropharyngeal airway(OPA), place
the OPA against the side of the face. When the flange of the OPA
is at the corner of the mouth, the tip is at the angle of the mandible. Aproperly sized and
inserted OPA results ni proper alignment with the glottic opening. [ACLSProvider Manual, Part
:3 High-Performance Teams > Respiratory Arrest > Basic
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Airway Adjuncts: OPA > Technique ofO P A
Insertion: pace 1071
4. You are caring for a patient with a suspected stroke whose symptoms started 2hours
ago. The CTscan was normal, with no signs of hemorrhage. The patient does not have any
contraindications to fibrinolytic therapy.Whichtreatment approach is best for this
patient?
A. Hold fibrinolytic therapy for 24 hours
B. Give fibrinolytic therapy as soon as possible and consider endovasculartherapy
C. Order an echocardiogram before fibrinolytic administration
D. Wait for the results of the MRI: B. Give fibrinolytic therapy as soon as possible-and consider
endovascular therapy
The correct answer is B. Administer fibrinolytic therapy within 3 hours from onset ofsymptoms,
or within 4.5 hours in selected patients. Consider endovascular therapy,which can be
administered up to 24 hours from onset of symptoms for patients withlarge vessel occlusion.
[ACLS Provider Manual, Part 2: Preventing Arrest > Acute Stroke > Approach to Stroke Care >
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