Big Red Flashcards

1
Q

Why is metoclopramide contraindicated in pheochromocytoma

A

It can cause release of catecholamines from the tumor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Folate and B12 deficiency causes what type of anemia

A

Hypochromic, macrocytic anemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Most frequent cause of digitalis toxicity

A

Renal failure, other causes include: hypokalemia, hypothyroidism, hypomagnesemia, hypercalcemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Accepted minimal stump pressure in carotidendarterectomy (CEA)

A

> 50 mmHg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Hallmark of sodium nitroprusside (SNP) toxicity

A

Unexplained metabolic acidosis caused by cyanide toxicity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Treatment for metabolic alkalosis

A

Carbonic anhydrase inhibitor like acetazolamide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which beta blocker acts in concert with insulin to potentiate hypoglycemia

A

Propranolol (inderal)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Hyperaldosteronism leads to what acid/base status and what electrolyte imbalance

A

Metabolic alkalosis and hypokalemia, because H+ and K+ ions are lost in urine while Na and H2O are reabsorbed in distal convoluted tubules and collecting ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Problem with phenoxybenzamine that has led to use of other agents?

A

Reflex tachycardia which is limited in newer agents like doxazosin, terazosin, and prazosin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which lasers cause cornea damage and which cause retinal damage?

A

CO2: cornea

Ruby, helium, argon: retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Hemoglobinopathy that is characterized by chocolate colored blood and urine

A

Methemoglobinemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Elective surgery should be cancelled if diastolic BP is greater than?

A

110 mmHg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Why is dobutamine used instead of adenosine for cardiac stress testing

A

Adenosine can cause reactive bronchospasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Maternal mortality in pregnant women with Eisenmenger’s syndrome

A

30-50%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is cobb’s angle?

A

Scoliosis assessment. >60 degrees is associated with decreased pulmonary fxn. >100 degrees predicts severe cardiac and respiratory dysfunction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

3 major problems associated with scoliosis

A

Restrictive lung disease, Cor pulmonale, mitral valve prolapse

17
Q

Advantages of LMWH over unfractionated heparin

A

Can be given at home, no lab monitoring, longer half life, more predictable anticoagulant response, less HIT.

18
Q

3 main side effects of cyclosporin

A

Nephrotoxicity, hypertension, prolonged neuromuscular blockade

19
Q

Mechanism of action for cyclosporin

A

Inhibits T-lymphocyte mediated immune response

20
Q

Irreversible hemorrhagic shock occurs with what percent of blood loss?

A

40%

21
Q

Multiple sclerosis (MS) has what effect with nondepolarizing muscle relaxants

A

Resistance to non depolarizers

22
Q

Most significant anesthetic concerns regarding sarcoidosis

A

Inflammatory granulomatous disease affects all organs but importantly restrictive lung, liver dysfunction, cardiac arrhythmias, peripheral neuropathies