USMLE Step 1 Prep
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USMLE Step 1 Prep
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25 Questions

1. What is the term for different classes and subclasses of the same gene products?

2. Which way does the Hgb - O2 dissociation curve shift in patients with CO poisoning?

3. Name the associated chromosome - Gaucher disease

4. What organ must metastasize for carcinoid heart disease to occur?

5. What protein prevents ssDNA from reannealing during DNA replication?

6. What is the term for tissue - based basophils?

7. What three embryonic cell layers form the chorion?

8. What is the most common one? - Pituitary tumor

9. What is the MCC of the following meningitides? - In renal transplant patients

10. What two pituitary hormones are produced by acidophils?

11. Regarding the venous system - what happens to blood volume if there is a small change in pressure?

12. With which DNA virus are Guarnieri bodies associated?

13. Name the antidote - Cyanide

14. What is the term for chemicals that keep the pH constant despite the formation of acids and bases during metabolism?

15. Name the DNA virus x Linear dsDNA; enveloped; virion - associated polymerases; replicates in the cytoplasm :

16. What is the only glycosaminoglycan (GAG) that binds to the linker portion of the proteoglycan?

17. What disease is X- linked recessive - is associated with eczema thrombocytopenia and an increased chance of developing recurrent infections - involves a decrease in serum IgM and in the T cell - dependent paracortical areas of the lymph nodes - and m

18. Name the GLUT transporter based on the following: x Found in most tissues - including brain and RBCs

19. In the elderly - what happens to total sleep time - percentage of REM sleep - and percentage of NREM sleep?

20. What portion of the pericardium adheres to the tunica adventitia of the great vessels?

21. What is the drug of choice for hypertensive patients with a decreased renal function?

22. What is the stimulus for the classical pathway activation?

23. Name the 10 retroperitoneal organs.

24. What Ab is an indication of recurrent disease for hepatitis?

25. Which CNS ACh receptor or receptors are excitatory? Inhibitory?

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