USMLE Step 1 Prep
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USMLE Step 1 Prep
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25 Questions

1. What class 1A antiarrhythmic agent has SLE- like syndrome side effect in slow acetylators?

2. Name the associated chromosome - Niemann - Pick disease

3. What mixed a - antagonists are used for patients with pheochromocytoma?

4. What form of oxidation takes place with the addition of a water molecule and breakage of bonds?

5. What area of the brain serves as the major sensory relay center for visual - auditory - gustatory - and tactile information destined for the cerebral cortex - cerebellum - or basal ganglia?

6. What ocular muscle x Elevates and adducts the eyeball?

7. What HPV serotypes are associated with increased risk of cervical cancer?

8. Is the clearance for a substance greater than or less than for inulin if it is freely filtered and secreted? If it is freely filtered and reabsorbed?

9. What antipsychotic movement disorder can occur at any time and is characterized by a subjective sense of discomfort that brings on restlessness - pacing - sitting down - and getting up?

10. Name the compartment of the mediastinum associated with the following thoracic structures: Azygos vein

11. From which two substances are phospholipids made?

12. What happens to cortisol levels in sleep - deprived individuals?

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

14. What is defined as a general estimate of the functional capacities of a human?

15. Name the pattern of genetic transmission characterized thus: both M and F affected; no M- to - M transmission; affected M passes trait to all daughters - every generation; affected F passes trait to both sons and daughters; a single mutant allele can

16. What is the fluid of the posterior compartment of the eye?

17. What thyroid abnormality has the following? - TRH decreased - TSH decreased - T4 increased

18. What enzyme found in a cholinergic synapse breaks down ACh? What are the byproducts?

19. What a1- agonist - not inactivated by catechol - O- methyl transferase (COMT) - is used as a decongestant and for treatment of paroxysmal atrial tachycardia?

20. What is your diagnosis of a young - thin asymptomatic female with a midsystolic click on cardiac auscultation?

21. What is the term for the pH at which the structure carries no charge?

22. What happens to total and alveolar ventilation with x Increased depth of breathing?

23. What hormone excess brings about abnormal glucose tolerance testing - impaired cardiac function - decreased body fat - increased body protein - prognathism - coarse facial features - and enlargements of the hands and feet?

24. Name the laryngeal muscle described by the following: x Adducts the vocal ligaments - closes the air passageway during swallowing - and allows phonation

25. What parasitic infection is associated with cholangiocarcinoma?

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