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Comp Exams > CE09 > Flashcards

CE09 Flashcards

1
Q

Where to listen for aortic sounds

A

Right sternal border 2nd-3rd interspace

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2
Q

In Preop Clinic, what is the most reasonable means to assess heart rate, basic rhythm, and pulse pressure?

A

Take patient’s pulse

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3
Q

With which heart sound does the radial pulse correspond?

A

S1

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4
Q

Which patients should receive preop pregnancy testing?

A

All with potential for child bearing

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5
Q

What is MAC

A

Minimum alveolar concentration - anesthetic concentration required to prevent movement in response to a surgical stimulus in 50% of patients

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6
Q

What is MAC bar

A

MAC required to block autonomic response to a surgical stimulus in 50% of patients

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7
Q

What is MAC awake

A

MAC required to prevent appropriate response to command in 50% of subjects

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8
Q

What is the most efficacious means for maintaining adult patient warmth

A

Convection

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9
Q

What nerve is contiguous with the humerus for part of its passage through the upper arm?

A

Radial nerve

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10
Q

How long does it take a drug injected into a vein in the ACF to reach systemic arterioles?

A

30 seconds

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11
Q

Side effects of etomidate

A
  • Myoclonus
  • Burning
  • Adrenal suppression
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12
Q

Muscle relaxant exhibiting vagolytic activity

A

Pancuronium?

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13
Q

Sympathomimetic with negligible effect on beta-2 adrenergic receptors

A

Norepi

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14
Q

MAC-awake for desflurane

A

~2%

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15
Q

Normal base excess

A

0

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16
Q

Normal plasma bicarb

A

24

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17
Q

Define macroglossia

A

Large tongue

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18
Q

MOA of NTG

A

Causes the release of nitric oxide which vasodilates

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19
Q

Reason for propofol’s white appearance

A

Scattering of light from lipid emulsion

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20
Q

Contraindications for droperidol

A
  • Parkinson’s

- Any long QT syndrome

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21
Q

Hematocrit definition

A

Volume percentage of red blood cells in whole blood

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22
Q

Layers of skin that you suture a CVP catheter to

A

Epidermis + dermis

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23
Q

Disease assc. with click-murmur

A

Mitral valve prolapse

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24
Q

Correct position for V5 lead

A

5th intercostal space anterior axillary line

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25
Q

Side effects of meperidine

A
  • Seizures

- Antimuscarinic effects

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26
Q

Receptors that phenylephrine acts upon

A

Alpha 1

27
Q

Max flow rate from oxygen flush valve

A

75L/min

28
Q

Acronym SBO

A

Small bowel obstruction

29
Q

What type of diuretic is furosemide

A

Loop

30
Q

PERLA acronym

A

Pupils equal and reactive to light accommodation

31
Q

What is anisocoria

A

Unequal pupil sizes

32
Q

Assessing eye movements and reactivity to light is a test for which cranial nerves?

A

3, 4, 6

33
Q

What is PMI

A

Point of maximal impulse, the furthermost point from the sternum at which the cardiac impulse can be felt (apex beat)

34
Q

Which vasodilator can exhibit tachyphylaxis

A

Sodium nitroprusside

35
Q

Intraabdominal pressure in patient undergoing exploratory laparotomy

A

760mmHg (since abdomen is open to atmosphere)

36
Q

Which lymphatic vessel is at risk during left IJV cannulation?

A

Thoracic duct

37
Q

Normal PaCO2

A

35-45mmHg

38
Q 
The following was obtained under room-air conditions:
SaHbO 2 = 87%
PaO 2 = 57 mmHg
PaCO 2 = 57 mmHg
pHa = 7.34
[Hb] = 17.8 gm/dl

What is this patient’s state of oxygenation?

A

Hypoxemic - sat is 87%

39
Q 
The following was obtained under room-air conditions:
SaHbO 2 = 87%
PaO 2 = 57 mmHg
PaCO 2 = 57 mmHg
pHa = 7.34
[Hb] = 17.8 gm/dl

What is this patient’s cardiopulmonary oxygenating ability?

A

A-a gradient is 21. Need to know their age to determine if this is appropriate

40
Q

How to calculate appropriate A-a gradient based on age

A
  1. 5 + 5torr per decade of life after 20

2. 4 + (age/4)

41
Q 
The following was obtained under room-air conditions:
SaHbO 2 = 87%
PaO 2 = 57 mmHg
PaCO 2 = 57 mmHg
pHa = 7.34
[Hb] = 17.8 gm/dl

What is this patient’s ventilatory status?

A

Hypoventilation because the PaCO2 is 57

42
Q 
The following was obtained under room-air conditions:
SaHbO 2 = 87%
PaO 2 = 57 mmHg
PaCO 2 = 57 mmHg
pHa = 7.34
[Hb] = 17.8 gm/dl

What is this patient’s acid-base state?

A

Acidic because the pH is 7.34

43
Q

Normal blood pH

A

7.35-7.45

44
Q 
The following was obtained under room-air conditions:
SaHbO 2 = 87%
PaO 2 = 57 mmHg
PaCO 2 = 57 mmHg
pHa = 7.34
[Hb] = 17.8 gm/dl

What is this patient’s acid-base condition?

A

Respiratory acidosis because the pH is low and PaCO2 is high

45
Q

What right-sided pressures are considered pulmonary hypertension?

A

Any pressures greater than 25mmHg

46
Q

Pulse pressure is used clinically as an indicator of…

A

Stroke volume

47
Q

Which diuretic poses a risk of hypokalemia

A

HCTZ - because K+ is wasted in the urine

48
Q

Normal PaO2

A

80-100

49
Q

Normal fibrinogen value

A

200-400mg/dL

50
Q

Physical signs associated with hypokalemia

A
  • Weakness
  • Prolonged NMB
  • Ileus
51
Q

Reference point for coronary perfusion pressure

A

Tricuspid valve

52
Q

Reference point for cerebral perfusion pressure

A

External auditory meatus

53
Q

Dobutamine infusion dose

A

2-20mcg/kg/min

54
Q

Corticosteroid therapy can cause an increase in what lab value?

A

Blood glucose

55
Q

Calculation for BMI

A

Weight in kilograms/ height in meters squared

56
Q

BMI classification for underweight

A

Under 18.5

57
Q

Normal BMI range

A

18.5-25

58
Q

BMI classification for overweight

A

25-30

59
Q

BMI classification for obese

A

30-40

60
Q

BMI classification for morbidly obese

A

Over 40

61
Q

Actions of hydromorphone

A

Mu agonist

62
Q

Hepatic perfusion and oxygenation

A
  • Consumes ~20% of O2 at rest

- Blood flow of 1-2L/minute

63
Q

Epinephrine infusion dosage

A

1-20 mcg/min OR .01-1 mcg/kg/min

64
Q

Drug infusion with photosensitivity

A

Nitroprusside

Comp Exams (5 decks)

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