True Learn: Instruments

Question 1

An obese patient is undergoing general anesthesia. Which of the following parameters is unchanged compared to a patient with a normal body mass index?
A. Closing capacity
B. Expiratory reserve volume
C. Functional residual capacity
D. Oxygen consumption

Answer 1

A. Closing capacity

Question 2

A type 1 diabetic presents for pre-op evaluation. Their history is significant for several years of poor glycemic control. Which of the following is MOST LIKELY to be seen in this patient?
A. Hyperhidrosis
B. Orthostatic hypotension
C. Resting mydriasis
D. Stress incontinence

Answer 2

B. Orthostatic hypotension

Question 3

A 56-year-old female is undergoing an awake craniotomy for tumor resection. The surgery is just beginning when the patient begins to move her legs in discomfort. She complains about anal itching and intense vaginal pain. The surgeon looks to you for an explanation. Which of the following medications is associated with these symptoms?
A. Dexamethasone
B. Dexmedetomidine
C. Fentanyl
D. Phenytoin
E. Vancomycin

Answer 3

A. Dexamethasone

Question 4

Which of the following is NOT a consideration for determining the likelihood of venous air embolism occurring during a neurosurgical procedure?
A. Positioning
B. Rate of entrainment of air
C. Use of nitrous oxide
D. Volume of air entrained

Answer 4

C. Use of nitrous oxide

Question 5

Which of the following neuromuscular blocking drugs has the LEAST increase in dosage requirements for burn patients?
A. Atracurium
B. Mivacurium
C. Rocuronium
D. Vecuronium

Answer 5

B. Mivacurium

Question 6

Which of the following positions is MOST likely to predispose a craniotomy patient to developing a tension pneumocephalus?
A. Park bench position for temporal craniotomy
B. Prone position for occipital craniotomy
C. Seated position for posterior fossa craniotomy
D. Supine position for anterior craniotomy

Answer 6

C. Seated position for posterior fossa craniotomy

Question 7

Non-tunneled central venous catheters (CVC) account for the majority of catheter-related bloodstream infections (CRBSI). Which of the following is NOT a guideline published by the Center for Disease Control and Prevention (CDC) aimed at reducing and eliminating CRBSI?
A. Administer systemic antimicrobial prophylaxis routinely before insertion or during use of an intravascular catheter to prevent catheter colonization or CRBSI
B. Ensure adequate number of nursing staff levels in the ICUs
C. Evaluate the catheter insertion site daily by palpation through the dressing
D. Prepare clean skin with a > 0.5% chlorhexidine preparation with alcohol before catheter insertion

Answer 7

A. Administer systemic antimicrobial prophylaxis routinely before insertion or during use of an intravascular catheter to prevent catheter colonization or CRBSI