Critical Care & Nutrition Flashcards

1
Q

Mechanism of vasopressin

A

V1 agonist

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2
Q

First line antibiotic for VRE

A

Ampicillin-sulbactam

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3
Q

Caloric value of protein

A

4kcal/g

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4
Q

Caloric value of dextrose

A

3.4kcal/g

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5
Q

Caloric value of lipids

A

9kcal/g

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6
Q

Main fuel source for enterocytes

A

Glutamine

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7
Q

Respiratory quotient

A

Volume of CO2 released/
volume of O2 absorbed

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8
Q

Ketamine MOA

A

NMDA antagonist

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9
Q

Half-life of prealbumin

A

48 hours

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10
Q

Transferrin half life

A

8 days

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11
Q

Albumin half life

A

21 days

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12
Q

Which are the essential fatty acids

A

Linoleic and linolenic acids

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13
Q

Mechanism of orlistat

A

Inhibits gastric and pancreatic lipase (weight loss agent)

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14
Q

Most common congenital bleeding disorder

A

von Willebrand disease type 1 (AD)

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15
Q

Energy requirements per day for average person

A

25kcal/kg/day (increases in mild/moderate/major stress)

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16
Q

Protein requirements per day

A

1g/kg/day

17
Q

Sodium requirement per day

A

2mEq/d

18
Q

Potassium requirement per day

A

1mE1/day

19
Q

Fluid requirements per day

A

30mL/kg/day

20
Q

What agent to give HOCM patient in shock

A

Phenylephrine

21
Q

Indications for intra-aortic balloon pump

A

Cardiogenic shock after MI
Mitral regurg with HD instability
VSD after MI

22
Q

Most common organisms in infected AAA

A

Staph aureus and Salmonella

23
Q

MOA of fluoroquinolones

A

Inhibition of DNA gyrase

24
Q

MOA of metronidazole

A

Produces free radicals which break up DNA helical structure

25
Q

MOA of macrolides

A

Inhibits 50s ribosome

26
Q

MOA of linezolid

A

Inhibits 50s ribosome

27
Q

MOA of tetracyclines

A

Inhibits 30s ribosome

28
Q

MOA of aminoglycosides

A

Inhibits 30s ribosome

29
Q

Most common cause of early graft infection

A

Staph aureus

30
Q

Most common cause of late graft infection

A

Staph epidermidis