Random USMLE Facts volume 10-10

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Random USMLE Facts volume 10-10:

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

Why is thymic hyperplasia associated with myasthenia gravis?

Myasthenia gravis is mediated by a type II hypersensitivity reaction, produced by autoantibodies that react with muscular nicotinic receptors and interfere with cholinergic neurotransmission.

During fasting, what happens to enzymes involved in glycogen metabolism?

The enzymes become phosphorylated and contribute to glycogenolysis.

What is a late complication of HTLV-1 infection?

Leukemia.

What are some findings in Wegener's granulomatosis?

Declining renal function, nasal congestion and epistaxis, cough, hemoptysis, mucosal ulceration and nasal proliferation. Positive for c-ANCA.

How does a tuberculin reaction occur?

Neutrophils are the first to arrive at the scene; after 48 hours TH1 cells and macrophages make up the majority of cells.

What is Arthus reaction?

Type III hypersensitivity reaction occurring from formation of immune complexes.

What are the after effects of tetanus vaccine?

Pain and swelling 24-48 hours after injection.

Which organism may cause severe diarrhea with fluid loss in AIDS patient?

Cryptosporidium parvum; acid-fast oocysts may be present and diarrhea occurs due to intracellular multiplication in the brush border.

What is the mechanism of action of corynebacterium diphtheria?

Inactivation of EF-2 causing interference with translation elongation.

What happens to passive tension and maximal active tension in reattached tendons?

Increased and decreased respectively.

During prolonged starvation, what will happen to levels of acetoacetic acid?

Increased.

What is Bowen disease?

A form of penile carcinoma in situ.

cAMP vs IP3

Increase in cAMP causes muscle relaxation. Increase in IP3 causes muscle constriction.

What are the diseases caused by bartonella henselae?

Cat-scratch fever and bacillary angiomatosis.

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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