Answer in Numbers

Question 2

LDL level generally considered to connote low risk

Answer 2

160mg/dL

Question 3

% obstruction in critical stenosis of coronary arteries that cause symptoms with increased demand.% causing symptoms at rest.

Answer 3

70 - 75%90%

Question 4

Irreversible ischemia in myocardial cells occur with severe ischemia lasting ___ minutes

Answer 4

20 - 40 minutes

Question 5

Cardiogenic shock develops with MI affecting ___% of the myocardium.

Answer 5

40%

Question 6

Troponin levels after MI

Answer 6

Detectable at 2-4h.Peak at 48h.Persist for 7-10d.

Question 7

CK-MB levels after MI

Answer 7

Rise within 2-4h.Peak at 23-48h.Return to normal within 72h.

Question 8

Mortality rate of MIs complicated by cardiogenic shock

Answer 8

70%

Question 9

Overall mortality within the first year of an MI

Answer 9

30%.3-4% per year thereafter

Question 10

Acute cor pulmonale most commonly follows massive pulmonary embolism with obstruction of >____% of the pulmonary vascular bed

Answer 10

50

Question 11

Normal volume of pericardial fluid

Answer 11

30 - 50 mL

Question 12

Total body iron content in women? Men?

Answer 12

2g in women; 6g in men

Question 13

Iron lost per day

Answer 13

1-2 mg/day. Due to shedding of mucosal and skin epithelial cells

Question 14

ALL defined by blasts > ___% of cells in the bone marrow.

Answer 14

25

Question 15

AML defined by blasts > ___ in the bone marrow

Answer 15

20%

Question 16

Normal bleeding time

Answer 16

2 - 9 minutes

Question 17

Cut off for thrombocytopenia

Answer 17

<100,000 cells/uL

Question 18

Particles that are this size are the most dangerous because they get lodged at the bifurcation of distal airways

Answer 18

1 to 5 um

Question 19

Acute right sided heart failure or collapse occurs when more than ___% of the total pulmonary vasculature is obstructed by a pulmonary embolus

Answer 19

60

Question 20

Patients who have experienced one pulmonary embolism have a ___% chance of developing a second.

Answer 20

30

Question 21

Pulmonary blood pressure are only about ____ (fraction) of the systemic pressure

Answer 21

1/8

Question 22

An exudate is characterized by protein content >___

Answer 22

2.9 g/dL

Question 23

Most common histologic variant of NPCA; most closely linked with EBV

Answer 23

Undifferentiated Ca

Question 24

Diameter of the filtration slit in glomerular membranes. Radius of albumin?

Answer 24

20-30 nm.
3.6 nm,
70,000 kD

Question 25

Nephrotic syndrome is defined as excretion of ___ gm CHON/day in adults

Answer 25

3.5

Question 26

How many % of pregnant women would develop bacterium is. How many percent of these would become symptomatic if untreated.

Answer 26

4-6%. | 20-40%.

Question 27

Nephrotic syndrome hypoalbuminemia in adults defined as plasma albumin <___

Answer 27

3 g/dL

Question 28

Urine flow falls below ___ in 24 hours in patients with acute renal failure.

Answer 28

400 mL

Question 29

Diarrhea defined as daily stool production in excess of ___

Answer 29

250g. | Containing. 70-95% water

Question 30

Megacolon defined as distention greater than ___

Answer 30

6-7 cm

Question 31

Minimum number of polyps required for diagnosis of FAP

Answer 31

100

Question 32

Surgical removal of ___% of liver of a normal person produces minimal and transient hepatic impairment. Regeneration restores most of the liver mass within ____ weeks.

Answer 32

60% | 4 - 6 weeks

Question 33

Serious irreversible renal damage occurs in ___ wks with complete obstruction and in ___with incomplete obstruction.

Answer 33

3 weeks. | 3 months.

Question 34

Mortality rate with appendiceal perforation

Answer 34

2%

Question 35

Average size of the kidney

Answer 35

10-12 cm

Question 36

Hepatic failure develops when ___% of hepatic function is lost.

Answer 36

80 - 90%

Question 37

Ascites usually becomes detectable when at least ___ mL have accumulated

Answer 37

500

Question 38

Normal thoracic duct lymph flow

Answer 38

800 - 1000 mL/day

Question 39

Jaundice occurs when bilirubin > ___

Answer 39

2 mg/dL

Question 40

Average incubation period of Hepatitis B

Answer 40

120 days

Question 41

% chronicity in Hep C infection

Answer 41

85% develop chronic Hep C. | Of these, 20% develop cirrhosis

Question 42

Hep B vaccination induced a protective anti-HBs antibody response in ___%

Answer 42

95

Question 43

It takes ___ years of drinking to develop cirrhosis. Consumption of ___ g/day considered to be the threshold for development of alcoholic liver disease

Answer 43

10 - 15 y. | 50 - 60 g/day.

Question 44

In hereditary hemochromatosis, there is net iron accumulation of ____ g/yr

Answer 44

0.5 to 1.0 g/yr

Question 45

Hereditary hemochromatosis manifests typically after ___g of storage iron has accumulated.

Answer 45

20

Question 46

The overall recurrence risk of neural tube defects for subsequent pregnancies

Answer 46

4 - 5%

Question 47

Regrowth of axons occur at a rate of __

Answer 47

1 - 2 mm/day

Question 48

Normal blood glucose levels

Answer 48

70 - 120 mg/dL

Question 49

How many % of those with impaired glucose tolerance proceed to develop full-fledged DM per year?

Answer 49

5 - 10%

Question 50

DM Type 1 only develops with destruction of ___% of B cells.

Answer 50

90%

Question 51

Attacks of hypoglycemia occur with blood glucose < ____

Answer 51

50 mg/dL

Question 52

Normal age-related bone loss

Answer 52

0.7% per year

Question 53

Osteoporosis cannot be reliably detected in plain radiographs until ____% of bone mass has already disappeared

Answer 53

30 - 40%

Question 54

Threshold for pain (in dB)

Answer 54

120

Question 55

Normal sound intensity in conversation (in dB)

Answer 55

60

Question 56

Continuous exposure to >____ dB may lead to permanent hearing loss.

Answer 56

90