Random USMLE Facts volume 1-4

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Random USMLE Facts volume 1-4:

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

Hastroepiploic arteries:

Left and right gastroepiploic arteries supply the greater curvature of the stomach.

Right gastric artery:

Right gastric artery supplies the lesser curvature of the stomach.


Enterobacter can cause pneumonia, urinary tract and surgical site infections. Give imipenem and meropenem.


Antibodies against tyrosinase.


(eg., ciprofloxacin) cause tendinitis, particularly Achilles' tendinitis, described as a "large soft muscular mass high on the right calf."

Deep and superficial palmar arch:

Supply blood to the hand if either the ulnar or radial arteries are occluded.

Polycystic ovarian disease:

Hyperglycemia is seen in polycystic ovarian disease (Stein-Leventhal syndrome).


Incomplete rotation of the midgut during fetal development; bloody diarrhea, vomiting, abdominal distention, and tenderness to palpation.

Type II error:

Probability of making a type II error = probability of accepting null when it is false =1-(statistical power)


Modafinil is used to treat daytime sleepiness caused due to narcolepsy.

Major depressive disorder:

Patients with major depressive disorder experience remittance and recurrence while patients with dysthymic disorder don't; rest of the symptoms are the same.

Disease Test Diagram:

disease test diagram

Prevalence and incidence:

In the above figure, what is prevalence? Ans: (W+Y)/(W+X+Y+Z).
In the above figure, what is incidence? Ans: (W+X)/(W+X+Y+Z).

Looking for a mutant gene?

(eg., in CF)? Do a polymerase chain reaction and sequencing testing.

Cataract formation:

Aldose reductase contributes to cataract formation in patients with poorly controlled diabetes mellitus.

Type I hypersensitivity:

Allergies (type I hypersensitivity reaction) are due to activated histamine1 receptors.

Steroid hormones:

Steroid hormones work by forming hormone-receptor complexes.

Glucose absorption:

Enterocytes and nephrons absorb glucose through cotransport with sodium ion.


Patients with PKU are unable to convert phenylalanine to tyrosine due to deficient tetrahydrobiopterin or phenylalanine hydroxylase. Phenylalanine, in the form of artificial sweeteners, can cross the placenta and cause harm to the baby.

Shortening of the muscle fiber:

In muscle shortening, the function of calcium-calmodulin complex is to activate the myosin light chain kinase, which phosphorylates myosin allowing it to bind to actin, leading to shortening of the muscle fiber.

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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