USMLE Step 1 Prep
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USMLE Step 1 Prep
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25 Questions

1. What viral infection in patients with sickle cell anemia results in aplastic crisis?

2. What CNs arise from x The medulla?

3. What is the most common one? - Primary malignant tumor of the ovary

4. Which dimorphic fungus is endemic in the Ohio - Mississippi - Missouri - and Eastern Great Lakes - is found in soil with bird and bat feces - and is associated with infections in spelunkers and chicken coop cleaners?

5. What remains patent in a hydrocele of the testis - allowing peritoneal fluid to form into a cyst?

6. Is a brush border enzyme.

7. From What embryonic structure are the following structures derived? - The sinus venarum - coronary sinus - and the oblique vein of the left atrium

8. What are the two actions of calcitonin?

9. A 60-year - old man has back pain (compression spinal fracture) - hypercalcemia - increased serum protein - Bence - Jones proteinuria - and monoclonal M- spike on serum electrophoresis. What is your diagnosis?

10. What is the most common one? - Tumor in men aged 15 to 35

11. What X- linked recessive immune disorder is characterized by recurrent infections - severe thrombocytopenia - and eczema?

12. Which class of antihypertensives is used in the treatment of BPH?

13. What happens to prevalence as the number of long - term survivors increases?

14. What 11- amino acid peptide is the neurotransmitter of sensory neurons that conveys pain from the periphery to the spinal cord?

15. What protein carries free fatty acids to the liver?

16. In what disease do you see horseshoe kidneys - rockerbottom feet - low - set ears - micrognathia - and mental retardation?

17. What condition is defined by both testicular and ovarian tissues in one individual?

18. What are the three reasons for the effectiveness of the blood - brain barrier?

19. From What do catalase - superoxide dismutase - and glutathione peroxidase defend the cell?

20. Which CNs are found in the midline of the brainstem?

21. Name the antidote - Isoniazid

22. What is the primary screening test used to detect HIV- infected individuals? Confirmatory test?

23. What is the term for the syndrome consisting of hepatomegaly - ascites - and abdominal pain due to hepatic vein thrombosis?

24. What is the term for severe and protracted vomiting resulting in linear lacerations at the gastroesophageal junction?

25. How many acetyl CoAs per glucose enter into the TCA cycle?

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