First aid usmle step 3 - Study guides, Class notes & Summaries

FIRST AID USMLE STEP 1 – VITAMINS EXAM STUDY GUIDE SOLUTIONS Vitamin A (retinol) - Function - ANSWER-Antioxidant; constituent of visual pigments (retinal); essential for normal differentiation of epithelial cells into specialized tissue (pancreatic cells, mucus- secreting cells); prevents squamous metaplasia. Used to treat measles and acute promyelocytic leukemia (APL). Vitamin A (retinol) - Deficiency - ANSWER-Night blindness (nyctalopia); dry, scaly skin (xerosis cutis); corneal degen...

USMLE Step 2 OB/GYN Exam Questions 1426 Questions with 100% Correct Answers – COMPLETE SOLUTION Document Content and Description Below USMLE Step 2 OB/GYN Exam Questions 1426 Questions with 100% Correct Answers – COMPLETE SOLUTION Q001. what is the genital system developed from? - A001. mesoderm Q002. what portion of the e mbryo gives rise to the reproductive system? - A002. Urogenital ridges Q003. what portion of the ovary contains the developing follicles? - A003. cortex Q004. what is th...

Biochemistry: First Aid USMLE Step 1 latest well elaborated What is a nucleoside? What is a nucleotide? Which are the purines? Which are the pyrimidines? - ANSWERSSide = base + (deoxy)ribose [sugar] Tide = base + (deoxy)ribose [sugar] + phosphaTe *Which are the purines?* "pure as gold" = Adenosine, Guanosine *Which are the pyrimidines?* "CUT the pyramid" = Cytosine, Uracil, Thymine In the nucleotide synthesis pathway, describe how purine synthesis differs ...

Hacker & Moore's Essentials of Obstetrics and Gynecology 6th Edition by Hacker, Gambone "classic" form is most severe and presents as a newborn infant girl with ambiguous genitalia and adrenal insufficiency (with or without life-threatening salt wasting). "Nonclassic" is a late-onset form that presents with androgen excess or could be asymptomatic. Cannot convert 17- hydroxyprogesterone to 11-deoxycortisol → ↓ cortisol synthesis → ↑ adrenal stimulation → ↑ ACTH and a...

First Aid USMLE Step 3 Questions and Answers.

First Aid USMLE Step 3 Questions And Answers

Contents Student Reviewers Preface Abbreviations USMLE Step 2 CKLaboratory Values 1. Anatomy Questions Answers and Explanations 2. Histology andPathology Questions Answers and Explanations 3. Embryology Questions Answers and Explanations 4. Genetics andTeratology Questions Answers and Explanations 5. Physiology of Reproduction Questions Answers and Explanations 6. Maternal Physiology During Pregnancy Questions Answers and Explanations 7. Placental, Fetal, andNewbornPhysiol...