Big Red

Question 1

Why is metoclopramide contraindicated in pheochromocytoma

Answer 1

It can cause release of catecholamines from the tumor

Question 2

Folate and B12 deficiency causes what type of anemia

Answer 2

Hypochromic, macrocytic anemia

Question 3

Most frequent cause of digitalis toxicity

Answer 3

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

Question 4

Accepted minimal stump pressure in carotidendarterectomy (CEA)

Answer 4

> 50 mmHg

Question 5

Hallmark of sodium nitroprusside (SNP) toxicity

Answer 5

Unexplained metabolic acidosis caused by cyanide toxicity

Question 6

Treatment for metabolic alkalosis

Answer 6

Carbonic anhydrase inhibitor like acetazolamide

Question 7

Which beta blocker acts in concert with insulin to potentiate hypoglycemia

Answer 7

Propranolol (inderal)

Question 8

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

Answer 8

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

Question 9

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

Answer 9

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

Question 10

Which lasers cause cornea damage and which cause retinal damage?

Answer 10

CO2: cornea

Ruby, helium, argon: retina

Question 11

Hemoglobinopathy that is characterized by chocolate colored blood and urine

Answer 11

Methemoglobinemia

Question 12

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

Answer 12

110 mmHg

Question 13

Why is dobutamine used instead of adenosine for cardiac stress testing

Answer 13

Adenosine can cause reactive bronchospasm

Question 14

Maternal mortality in pregnant women with Eisenmenger’s syndrome

Answer 14

30-50%

Question 15

What is cobb’s angle?

Answer 15

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

Question 16

3 major problems associated with scoliosis

Answer 16

Restrictive lung disease, Cor pulmonale, mitral valve prolapse

Question 17

Advantages of LMWH over unfractionated heparin

Answer 17

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

Question 18

3 main side effects of cyclosporin

Answer 18

Nephrotoxicity, hypertension, prolonged neuromuscular blockade

Question 19

Mechanism of action for cyclosporin

Answer 19

Inhibits T-lymphocyte mediated immune response

Question 20

Irreversible hemorrhagic shock occurs with what percent of blood loss?

Answer 20

40%

Question 21

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

Answer 21

Resistance to non depolarizers

Question 22

Most significant anesthetic concerns regarding sarcoidosis

Answer 22

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