Anesthesia Hub -

10 Random Questions

The pin index system

(A) is not used in central pipeline connections
(B) requires aligning four pins with four holes
(C) is used on all sizes of medical gas cylinders
(D) has been replaced by color coding of gas cylinders
(E) prevents overfilling of gas cylinders

BASIC Equipment & Physics

A patient has seizure activity 30 seconds after injection of 0.25% bupivacaine 2 ml with epinephrine 1:200,000 for stellate ganglion block. The most likely cause is

(A) reaction to epinephrine in the anesthetic solution
(B) anaphylactoid reaction to bupivacaine
(C) subarachnoid injection of bupivacaine
(D) peridural venous injection of bupivacaine
(E) vertebral artery injection of bupivacaine

ADVANCED Regional & Pain

Properly performed local anesthetic block of the celiac plexus

(A) requires that the needle tip be positioned anterior to the vertebral body of LI
(B) preserves efferent parasympathetic outflow
(C) produces urinary retention
(D) is not associated with hypotension
(E) produces truncal cutaneous hypesthesia

ADVANCED Regional & Pain

Pulsus paradoxus is commonly seen during anesthesia in patients with each of the following conditions EXCEPT

(A) severe asthma
(B) right-sided heart failure
(C) hypovolemia
(D) atrial septal defect
(E) obesity

BASIC Respiratory & Critical Care General

You see a flash of fire from the endotracheal tube of a patient undergoing carbon dioxide laser excision of laryngeal polyps. The immediate response should be to

(A) discontinue the fresh gas flow
(B) increase the nitrous oxide concentration
(C) spray water down the endoscope
(D) insert wet pads into the pharynx
(E) remove the endotracheal tube

The primary purpose of denitrogenation prior to anesthetic induction is to

(A) blunt hypoxic pulmonary vasoconstriction
(B) improve ventilation and perfusion matching
(C) increase contribution of second gas effect to rate of induction
(D) increase oxygen reserve in the functional residual capacity
(E) maximize arterial oxygen content

BASIC Respiratory & Critical Care General

Following completion of an ankle block, the patient reports intact sensation on the tips of the toes. Which of the following nerves was blocked inadequately?

(A) Deep peroneal
(B) Posterior tibial
(C) Saphenous
(D) Superficial peroneal
(E) Sural

ADVANCED Regional & Pain

Which of the effects of epidural morphine is most resistant to intravenous naloxone?

(A) Analgesia
(B) Nausea
(C) Pruritus
(D) Respiratory depression
(E) Urinary retention

BASIC Pharmacology & Pharmacokinetics

In a normally functioning circle anesthesia system, if the length of the inspiratory and expiratory hose is doubled, the mechanical dead space will be

(A) halved
(B) unchanged
(C) doubled
(D) quadrupled
(E) dependent on compression volume

BASIC Equipment & Physics

In an unpremedicated, spontaneously breathing patient, an alveolar halothane concentration of 0.74% in oxygen is consistently associated with

(A) absence of overt response to skin incision
(B) constricted pupils
(C) flaccidity of abdominal muscles
(D) normal glomerular filtration rate
(E) normal myocardial contractility

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