Random USMLE Facts volume 3-5

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Random USMLE Facts volume 3-5:

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

Brain Tumors

• Cortical hamartomas: associated with tuberous sclerosis.
• Acoustic neuromas: neurofibromatosis type II.
• Berry aneurysm: associated with adult polycystic kidney disease.
• Meningiomas: associated with breast cancer / high estrogen states.
• Neurofibromas: associated with neurofibromatosis type II.

What causes atypical pneumonia?

M. pneumoniae; patients produce cold agglutinins. There is dry cough, fever, headache and muscular pain. Treatment would be erythromycin.

Malabsorption of which vitamin occurs in celiac disease?

Vitamin B12 and iron.

What are the causes and findings in Werdnig-Hoffman disease?

• Cause: type I spinal muscle atrophy; neuronal cell death continues.
• Findings: typical findings of lower motor neuron lesions - this represents a disease of the anterior (ventral) horn cells.

CNS lesions

• Lesions in caudate nucleus produce: extrapyradimal side effects.
• Lesions in dorsal horn cells produce: sensory deficits.
• Lesions of the internal capsule produce: upper motor neuron lesions.
• Lesions of the corticospinal tracts produce: ipsilateral paralysis and hyperreflexia below the lesion.

What is the mechanism of action and usage of megestrol?

Megestrol is a progesterone derivative that increases appetite be increasing metabolic and appetite-stimulatory rates.

How is osmolality related to the volume?

C1.V1 = C2.V2

What does minoxidil do to insulin secretion?

It decreases insulin secretion from pancreatic beta cells in response to drug concentration. Minoxidil opens potassium channels causing hyperpolarization.

In an AIDS infection, what happens to anti-P24 and anti-env proteins?

Decreasing and increasing, respectively.

Clinical Stages in HIV Infection:

stages in HIV infection

In the male, where are prolactin receptors located?

In the Leydig cells.

What is the function of vitamin K in terms of blood clotting?

Factors 2, 7, 9, 10 and proteins C and S must be converted to gamma-carboxyglutamate residues.

What is a complication of rheumatic heart fever that affects the heart?

Mitral stenosis - caused by valvular damage. The damage most likely involves mitral or aortic valves.

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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