cH 19EMERGENCY PROBLEMS Flashcards
Which clinical feature is the first to be affected in increased intracranial pressure?
a. Decrease in level of consciousness
b. Headache
c. Nausea
d. Widening
DECREASED LOC
What is the normal number for the Glasgow Coma Scale?
a. 7
b. 9
c. 10
d. 15
15
Which diagnostic test is the best to diagnose a subdural hematoma?
a. History
b. Positron emission tomography
c. Magnetic resonance imaging (MRI)
d. Computed tomography (CT) scan
MRI
Which arthropod bite can contain cytotoxic and hemolytic toxins that may destroy tissue?
a. Tick
b. Brown recluse spider
c. Wasp
d. Stinging caterpillar
bROWN RECLUSE SPIDER
Which of the following characteristics separates anaphylaxis from a vasovagal reaction?
a. Bradycardia
b. Extreme diaphoresis
c. Severe bronchoconstriction
d. Hypotension
sEVERE BRONCHOCONSTRICTION
Delayed serum sickness–type reactions in response to multiple bee, wasp, or fire ant stings can be managed with which of the following?
a. A corticosteroid such as prednisone (Deltasone), 60 to 100 mg, tapered over 2 weeks
b. An oral antihistamine, such as hydroxyzine, for 2 weeks
c. An H2 blocker such as cimetidine for 1 week
d. 0.1 mg (1 mL of 1:10,000 solution epinephrine) in 10 mL of normal saline and administer as a slow intravenous push over 10 minutes
A corticosteroid such as prednisone (Deltasone), 60 to 100 mg, tapered over 2 weeks
After a head injury, what is it called when air enters into the cerebrospinal fluid (CSF)–filled spaces within the head?
a. Pneumocephalus
b. Hemotympanum
c. Battle’s sign
d. Raccoon sign
PNEUMOCEPHALUS
Cerebrospinal fluid (CSF) may leak through the cribriform plate region of the skull following a head injury and cause which of the following?
a. Ear CSF otorrhea
b. Leakage of CSF from the eye
c. Nasal CSF rhinorrhea
d. Leakage of CSF from the mouth
NASAL CHF RHINORRHEA
Which classic feature of an epidural hematoma may distinguish it from other skull hematomas?
a. Unilateral hemiparesis
b. Loss of speech
c. Temporary hearing loss
d. A brief loss of consciousness, then a brief “lucid” moment, followed by momentary unconsciousness minutes after the injury
A brief loss of consciousness, then a brief “lucid” moment, followed by momentary unconsciousness minutes after the injury
A patient with a basilar skull fracture may experience an impaired downward gaze or diplopia from which affected cranial nerve?
a. CN II
b. CN III
c. CN IV
d. CN V
CN IV
Eddie, age 4, presents to the ED with a live insect trapped in his ear canal causing a lot of distress. What should be your first step?
a. Remove the insect with tweezers.
b. Immobilize the insect with 2% lidocaine.
c. Sedate Eddie with diazepam.
d. Shine a light in the ear for the insect to “find its way out.”
Immobilize the insect with 2% lidocaine.
Which type of heat-related illness involves a core body temperature of at least 104.9°F, acute mental status changes, absent sweat, and tachypnea?
a. Heat cramps
b. Heat syncope
c. Heat exhaustion
d. Heat stroke
HEAT STROKE
What percentage of burns is involved using the rule of nines if both front legs are burned?
a. 9%
b. 18%
c. 24%
d. 36%
18%
Which drug commonly prescribed for burns is active against a wide spectrum of microbial pathogens and is the most frequently used agent for partial- and full-thickness thermal injuries?
a. Clotrimazole cream (Lotrimin)
b. Mafenide acetate (Sulfamylon)
c. Silver nitrate
d. Silver sulfadiazine (Silvadene)
d. Silver sulfadiazine (Silvadene)
A sunscreen with a sun-protection factor of at least what number will block most harmful ultraviolet radiation?
a. 4
b. 8
c. 10
d. 15
15