Random USMLE Facts volume 2-6

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Random USMLE Facts volume 2-6:

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 significance of hearing 'bruits' of carotid arteries?

These are heard when blood flows past atherosclerotic plaque. The patient is at risk of developing stroke.

What is myoglobinuria and how is it caused?

Blood in urine; happens when non-conditioned people are suddenly involved in strenuous exercise.

What is a fatal consequence of cortisol deficiency?

Hypoglycemia.

What is 'radial traction' of airways?

Radial traction is the movement of airways with respect to the lung parenchyma. In interstitial fibrosis, radial traction of the airways is decreased because they are tethered to the lung parenchyma more strongly.

Poliovirus mostly infects what spinal cord structures?

Ventral horns.

What is the difference between mature and immature teratoma?

• Mature: all tissues resemble the parent tissue; not malignant.
• Immature: primitive tissues; more malignant.

Which bacterial organism produces a neutrophilic discharge? What is this organism's virulence factor?

N. gonorrhoea; pili.

What kind of lung disease can amyloidosis cause?

Restrictive.

What are the adverse effects of protease inhibitors used in HAART therapy (eg., indinavir)?

Hyperglycemia, lipodystrophy, inhibition of P-450.

What is the function of norepinephrine in cardiac myocytes?

It increases cAMP causing increased contractility.

What are the other receptors and affects of norepinephrine?

• Alpha1: increased IP3; peripheral vasoconstriction.
• Alpha2: decreased cAMP: release of norepinephrine and insulin.
• Beta1: increased cAMP; increased contractility.
• Beta2: increased cAMP; bronchial dilation / vasodilation.

What types of localized proteins are deposited in amyloidosis involving:

• Thyroid gland: calcitonin-derived protein.
• Pituitary gland: prolactin-derived protein.
• Pancreas: islet amyloid protein (amylin).
• Brain: beta-amyloid protein of size 4000 Dalton peptide causes Alzheimer's disease.
• Systemic: immune globulin light chains.
• Heart: natriuretic peptide / transthyretin.

Types of Amyloidosis:

types of amyloidosis
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

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

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