Medical Emergencies In the Dental Office 6th Edition by Stanley F. Malamed – Test Bank
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Malamed: Medical Emergencies in the Dental Office, 6th Edition
Test Bank
Chapter 5: Unconsciousness: General Considerations
MULTIPLE CHOICE
1. Which of the following steps should come last in the management of unconsciousness?
|
a. |
P—position |
|
b. |
A—airway |
|
c. |
B—Breathing |
|
d. |
C—circulation |
|
e. |
D—definitive care |
2. Which of the following is the most common cause of loss of consciousness in the dental environment?
|
a. |
seizures |
|
b. |
orthostatic hypertension |
|
c. |
hyperventilation |
|
d. |
vasodepressor syncope |
|
e. |
acute adrenal insufficiency |
3. Which of the following is a cardiogenic cause of syncope?
|
a. |
carotid sinus disease |
|
b. |
pulmonary embolism |
|
c. |
pheochromocytoma |
|
d. |
hypertrophic cardiomyopathy |
4. Which of the following is not one of the three major categories of drugs used in dentistry?
|
a. |
analgesics |
|
b. |
antianxiety agents |
|
c. |
antiinflammatory agents |
|
d. |
antibiotics |
5. Most adverse reactions to local anesthetics are:
|
a. |
emboli in the brain or heart |
|
b. |
stress-induced |
|
c. |
overdose reactions |
|
d. |
allergy |
6._______________ is the most common mechanism producing syncope.
|
a. |
Transient ischemia |
|
b. |
Bradycardia |
|
c. |
Cerebral anoxia |
|
d. |
Tardive dyskinesia |
7.__________ is the most common cause of loss of consciousness in humans.
|
a. |
Hypotension |
|
b. |
Blunt force trauma |
|
c. |
Tachypnea |
|
d. |
Opioid overdose |
8. Physiologic disturbances that decrease the blood supply to the brain include:
|
a. |
constriction of the peripheral arterioles |
|
b. |
an increase in cardiac output |
|
c. |
failure of normal peripheral vasoconstrictor activity |
|
d. |
dilation of cerebral vessels as carbon dioxide is lost through hyperventilation |
