Random USMLE Facts volume 2-3

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Random USMLE Facts volume 2-3:

USMLE Facts 1 USMLE Facts 2 USMLE Facts 3 USMLE Facts 4 USMLE Facts 5
USMLE Facts 6 USMLE Facts 7 USMLE Facts 8 USMLE Facts 9 USMLE Facts 10

What is the liver pathology of a child with Reye's syndrome?

Microvesicular steatosis.

Which white blood cells increase in number following glucocorticoid therapy?


Diabetic patients are most likely to die from?

Myocardial infarction.

What polysaccharides are produced by organism what cause dental caries?


What substance do microvilli contain?


What substance do secretory vesicles of nerve terminals contain?


What is number needed to harm (NNH)? And how is it calculated?

• NNH is the number of people needed to be treated for one disease incident to occur.
• NNH = 1 / absolute risk increase.

How is absolute risk increase calculated?

The absolute risk increase is calculated by:
• ARI = event rate for treatment - event rate for placebo.
Where, event rate for treatment = treated (# alive) / treated (# alive + # dead) and
• Event rate for placebo = placebo (# alive) / placebo (# alive + # dead).

What is the initial treatment for an acute maniac event?

Mood stabilizers like lithium, valproate, or carbamazine plus an atypical antipsychotic agent.

What do SSRIs do to patients with acute mania in bipolar disorder?

They make it worse.

What do increased AFP and acetylcholinesterase mean in an amniocentesis?

Neural tube defects (failed fusion).

What are the consequences of cricopharyngeal muscle dysfunction?

Difficulty swallowing. Cricopharyngeal muscle dysfunction occurs due to decreased relaxation of the pharyngeal muscles during swallowing. More force is required to swallow. Time leads to the development of a Zenker diverticulum.

Explain the types and usages of different insulins:

Long acting: NPH / Lente (older; take twice daily) and glargine (newer; take once daily).
Short acting: regular (best as IV), lispro / aspart (take after meals).

What compound may prevent thyroid absorption of radioactive iodine isotopes by competitive inhibition?

Potassium iodide; thus, less radioactive material will enter the thyroid reducing tissue damage.

What are the findings in acute heart rejection?

• Diagnosed by direct immunofluorescence.
• Cell-mediated process.
• There is a dense mononuclear lymphocytic infiltrate with cardiac myocyte damage.

What is avascular necrosis of the femoral head associated with?

Sickle cell disease, SLE, steroid therapy, and alcoholism.

What is the difference between encapsulated and non-encapsulated H. influenza?

Encapsulated can cause infection while non-encapsulated cannot. Most infection causing H. influenzae are type B which contain ribose instead of a hexose. The virulence of this organism is the PRP capsule. Non-capsulated influenzae are part of normal flora.

USMLE Facts 1 USMLE Facts 2 USMLE Facts 3 USMLE Facts 4 USMLE Facts 5
USMLE Facts 6 USMLE Facts 7 USMLE Facts 8 USMLE Facts 9 USMLE Facts 10

Additional Readings:

Random USMLE Facts

1. Random USMLE Facts volume 1-1
2. Random USMLE Facts volume 2-1
3. Random USMLE Facts volume 3-1
4. Random USMLE Facts volume 4-1
5. Random USMLE Facts volume 5-1
6. Random USMLE Facts volume 6-1
7. Random USMLE Facts volume 7-1
8. Random USMLE Facts volume 8-1
9. Random USMLE Facts volume 9-1
10. Random USMLE Facts volume 10-1
11. Random USMLE Facts volume 11-1
12. Random USMLE Facts volume 12-1

General and Systemic Examinations

1. General Examination for Internal Medicine
2. Jugular Venous Distention Workup
3. ER Chest Pain Workup
4. Format for Patient Presentation
5. Pulmonary Examination for Internal Medicine
6. Cardiac Examination for Internal Medicine
7. Abdominal Examination for Internal Medicine
8. Cranial Nerve Reflexes
9. Motor System Examination
10. Random Sensory System Facts
11. Random Stroke Facts

Medical Files & Presentations

1. USMLE Flashcards [Size: 1.9 MB; Format: MS Powerpoint]
2. Otitis Media in Children [Size: 5.4 MB; Format: MS Powerpoint]
3. Irritable Bowel Syndrome [Size: 170 kB; Format: MS Powerpoint]
4. Acid-Base Disturbance: Acidotic or Alkalotic? [Size: 427 kB; Format: PDF]
5. Thrombocytopenia [Size: 2.42 MB; Format: MS Powerpoint]
6. Are Face Transplants Ethical? [Size: 70.2 kB; Format: MS Powerpoint]

USMLE Step 2 CS Videos

1. Video of Cardiology Examination in a Clinical Setting
2. Video of Neurology Examination in a Clinical Setting
3. Video of Pulmonology Examination in a Clinical Setting
4. Video of Musculoskeletal Examination in a Clinical Setting
5. Video of Abdominal Examination in a Clinical Setting
6. Video of HEENT Examination in a Clinical Setting
7. Video and Description of Rinne Hearing Test
8. Video and Description of Weber Hearing Test

USMLE Laboratory (lab) Values

1. USMLE Blood Lab Values
2. USMLE Cerebrospinal Lab Values
3. USMLE Hematologic Lab Values
4. USMLE Sweat and Urine Lab Values

Medical Images

Useful Medical Images & Diagrams (link opens in a new window)

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