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A 65 year old male with a past medical history of poorly
controlled hypertension
presents with new onset unilateral arm and leg
weakness. There is no
disturbance of consciousness and there is no evidence of
cortical findings (such
as aphasia, agnosia, or hemianopsia). What is the most likely
location of the
vascular
obstruction?
Answers:
1.anterior cerebral artery
2.middle cerebral artery
3.posterior cerebral artery
4.lacunar
5.basilar artery - ANSWER-4.lacunar
Which of the following might suggest central rather than
peripheral vertigo?
Answers:
,1.Sudden onset
2.Diplopia
3.Horizontal nystagmus on extreme lateral gaze
4.Transient and episodically related to head movement
5.Prominent vomiting and diaphoresis - ANSWER-2.Diplopia
A 67-year old male presents in acute respiratory failure. You
have chosen etomidate as the induction agent to perform rapid
sequence intubation (RSI) on your patient. He is allergic to
eggs and penicillin. Which of the following is true regarding
etomidate?
Answers:
1.Has a large side effect profile and other agents should be
considered first for induction in RSI
2.Is not safe to use in patients with cardiovascular disease due
to its detrimental effects on myocardial contractility
3.It should not be used in patients allergic to soy or eggs
4.May cause transient adrenal suppression and should be used
with caution in septic patients - ANSWER-4.May cause transient
adrenal suppression and should be used with caution in septic
patients
Which of the following is an absolute
contraindication to surgical
cricothyrotomy?
Answers:
,1.Acute laryngeal
disease
2.Bleeding
diathesis
3.Age < 5
4.Massive neck edema - ANSWER-
3.Age < 5
A 4-year old child sustained a large leg laceration while riding
his bike. A medical student who was on his first clinical
rotation was told to "numb up" the wound. The patient became
symptomatic soon after the student gave the anesthetic. Which
of the following is usually the earliest sign of lidocaine toxicity?
Answers:
1.Nausea/vomiting
2.Nystagmus
3.Lightheadedness and
dizziness
4.Tonic-clinic seizures - ANSWER-3.Lightheadedness
and dizziness
You are performing procedural sedation to repair a complex
facial laceration on
a child in the ED. Unfortunately your patient is progressing from
clinical signs of
moderate sedation to deep sedation and is in need of reversal
using flumazenil.
, In which of the following scenarios is the use of
flumazenil appropriate?
Answers:
1.Patient exhibits signs of seizure activity during procedural
sedation
2.Patient has been given IV fentanyl as a single agent for
sedation
3.Patient is younger than 3 years old and had a glass of milk
four hours ago 4.Patient has been given IV ketamine as a single
agent for sedation - ANSWER-3.Patient is younger than 3 years
old and had a glass of milk four hours ago
You are performing procedural sedation on a 42 year old male
who is quite muscular and requires high doses of analgesia to
reduce a dislocated hip sustained during an MVA. He begins to
show signs of respiratory depression and needs manual
ventilation with a bag valve mask. You are having great
difficulty providing manual ventilations due to presumed
spasm of the glottis and
rigidity of the chest wall musculature. Which of the following
analgesics was
likely
used?
Answers:
1.Demerol
2.Dilaudid
3.Fentanyl