Anesthesia And Obesity Quiz

35 Questions | By Themes | Last updated: Mar 19, 2022 | Total Attempts: 150

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Questions and Answers

1.

The following occur in patients with Pickwickian syndrome, EXCEPT
- A.
  
  Hypoventilation
- B.
  
  Pulmonary hypertension
- C.
  
  Right ventricular failure
- D.
  
  Delayed emergence
2.

Hallmark of Pickwickian syndrome
- A.
  
  Hypoventilation
- B.
  
  Pulmonary hypertension
- C.
  
  COPD
- D.
  
  Polycythemia due to chronic hypoxemia
3.

False statement regarding obesity
- A.
  
  Risks associated with obesity are related to the fat distribution
- B.
  
  Effects are almost exclusively related to cardiovascular system
- C.
  
  Android distribution is associated with increased oxygen consumption
- D.
  
  Modest obesity is associated with increased risk for premature death and complications perioperatively
4.

Which of the following cardiovascular changes does not occur with obesity?
- A.
  
  Increased cardiac output in response to stress
- B.
  
  Cardiomegaly with elevated circulating blood volume
- C.
  
  Increased incidence of coronary artery disease
- D.
  
  Impaired diastolic and systolic function
5.

Respiratory changes in obesity, EXCEPT
- A.
  
  Normal closing capacity in upright but abnormal in supine position
- B.
  
  Normal FEV1 and FVC
- C.
  
  Decreased chest wall and lung compliance
- D.
  
  Decreased ERV and FRC in upright position
6.

Rapid desaturation in the obese is secondary to:
- A.
  
  Decreased FRC
- B.
  
  Decreased oxygen consumption
- C.
  
  Both
- D.
  
  None
7.

True of OSA
- A.
  
  Night time somnolence
- B.
  
  Apnea and hypopnea due to intermittent bouts of airway obstruction
- C.
  
  Snore heavily without periods of awakening
- D.
  
  Respiratory acidosis during sleep and awake state
8.

Risk of regurgitation and pulmonary aspiration in the obese maybe reduced by:
- A.
  
  Decreasing LES tone
- B.
  
  Slowing gastric emptying
- C.
  
  Raising pH level of gastric contents
- D.
  
  Increasing volume of gastric contents
9.

Narrowed airway in the obese are due to, EXCEPT
- A.
  
  Fleshy cheeks
- B.
  
  Redundant palate
- C.
  
  Large tongue
- D.
  
  Excessive submental tissue
10.

Clinical characteristic in morbidly obese that is associated with the highest predictor of difficult intubation
- A.
  
  Neck circumference >17 inches
- B.
  
  BMI > 40 kg/m2
- C.
  
  Apnea > 10 seconds
- D.
  
  Tonsils that touched the midline
11.

Risk factors that correlate with difficult laryngeal intubation, EXCEPT
- A.
  
  Increased BMI
- B.
  
  History of OSA
- C.
  
  Higher Mallampati score 3&4
- D.
  
  Large neck circumference >40cm
12.

Dosing for IV drugs that uses the ideal body weight in the obese
- A.
  
  Succinylcholine
- B.
  
  Midazolam
- C.
  
  Rocuronium
- D.
  
  Fentanyl
13.

The following may apply to intraop anesthetic management of the obese patients, EXCEPT
- A.
  
  Allowing general anesthesia with spontaneous respiration are relatively contraindicated
- B.
  
  Consider awake fiberoptic intubation in all patients >75% above their ideal body weight
- C.
  
  Intrarterial monitoring maybe necessary in some patients where arterial blood pressure monitoring maybe difficult
- D.
  
  Premedications given through IM maybe useful for relieving preop anxiety
14.

Optimal position that provide the longest safe apnea period during induction
- A.
  
  Supine
- B.
  
  Reverse Trendelenburg
- C.
  
  Trendelenburg
- D.
  
  Lateral decubitus
15.

Pertinent statement regarding preop evaluation in the obese patients, EXCEPT
- A.
  
  Serum evaluation of liver function test due to fatty liver
- B.
  
  Aspiration prophylaxis
- C.
  
  Radiographic evaluation of cervical mobility to assess possible airway difficulty
- D.
  
  Routine airway evaluation without consideration of possible awake intubation
16.

Disorders associated with obesity, EXCEPT
- A.
  
  Glomerular hypofiltration
- B.
  
  Impaired glucose tolerance
- C.
  
  Delayed gastric emptying
- D.
  
  Dysrhythmias
17.

Gold standard for definitive diagnosis of OSA requires overnight polysomnography
- A.
  
  True
- B.
  
  False
18.

Approximately 80% of patients with moderate to severe OSA are undiagnosed
- A.
  
  True
- B.
  
  False
19.

Preop benzodiazepine premedication can be given to OSA patients
- A.
  
  True
- B.
  
  False
20.

OSA is more common in females
- A.
  
  True
- B.
  
  False
21.

Patients with obesity will have evidence of restrictive lung disease
- A.
  
  True
- B.
  
  False
22.

Correcting abnormal ventilatory drive of obese patients should include a 2 week period of CPAP therapy
- A.
  
  True
- B.
  
  False
23.

Obesity is reported to positively correlate with increased risk of gastric aspiration
- A.
  
  True
- B.
  
  False
24.

Obesity is reported to positively correlate with increased risk of difficult laryngeal intubation
- A.
  
  True
- B.
  
  False
25.

Gynecoid obesity is assessment with increased incidence of cardiovascular disease
- A.
  
  True
- B.
  
  False