First aid usmle step 1 Study guides, Class notes & Summaries

First Aid USMLE Step 1: Pharmacology (Complete) Penicillin G (IV and IM) Penicillin M (oral) Correct Answer: *MOA:* *β-lactam*: a structural analog of D-ala-D-ala (a normal component of cell walls) which binds and inactivates bacterial transpeptidases (penicillin-binding protein, PBPs) to block peptidoglycan cross linking *Clinical use:* Bactericidal for Gram-⊕ cocci/rods, Gram-⊖ cocci (Neisseria), and spirochetes Mostly used for Gram-⊕ organisms (S. pneumoniae, S. pyogenes,...

USMLE STEP 1 FIRST AID QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS

Usmle Step 1 First Aid Exam Questions with Correct Verified Solutions 100% Guaranteed PassUsmle Step 1 First Aid Exam Questions with Correct Verified Solutions 100% Guaranteed PassUsmle Step 1 First Aid Exam Questions with Correct Verified Solutions 100% Guaranteed PassUsmle Step 1 First Aid Exam Questions with Correct Verified Solutions 100% Guaranteed PassUsmle Step 1 First Aid Exam Questions with Correct Verified Solutions 100% Guaranteed PassUsmle Step 1 First Aid Exam Questions with Correct...

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 degeneration (keratomalacia); Bitot spots on conjunctiva; immunosuppressi...

First Aid USMLE STEP 1 Exam

Penicillin G (IV and IM) Penicillin M (oral) Correct Answer: *MOA:* *β-lactam*: a structural analog of D-ala-D-ala (a normal component of cell walls) which binds and inactivates bacterial transpeptidases (penicillin-binding protein, PBPs) to block peptidoglycan cross linking *Clinical use:* Bactericidal for Gram-⊕ cocci/rods, Gram-⊖ cocci (Neisseria), and spirochetes Mostly used for Gram-⊕ organisms (S. pneumoniae, S. pyogenes, Actinomyces). Also used for Gram-⊖ cocci (mainly...

First Aid USMLE Step 1: Biochemistry Exam Practice Questions and Answers (100% Pass) What is a nucleoside? What is a nucleotide? Which are the purines? Which are the pyrimidines? - Answer️️ -Side = 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 ...

Usmle Step 1 First Aid Questions and Answers 100% CorrectUsmle Step 1 First Aid Questions and Answers 100% CorrectUsmle Step 1 First Aid Questions and Answers 100% CorrectUsmle Step 1 First Aid Questions and Answers 100% Correct polyostotic fibrous dysplasia, precocious puberty, cafe-au-lait spots, short stature, young girls - diagnosis? -ANSWER Albright's syndrome blue-domed cysts - diagnosis? -ANSWER fibrocystic change of the breast Wermer's syndrome - also known as? -ANSWER MEN typ...

USMLE Step 1 First Aid – with complete solution polyostotic fibrous dysplasia, precocious puberty, cafe-au-lait spots, short stature, young girls - diagnosis? - answerAlbright's syndrome blue-domed cysts - diagnosis? - answerfibrocystic change of the breast Wermer's syndrome - also known as? - answerMEN type I "wire loop" appearance on Light microscopy- diagnosis? - answerlupus nephropathy what is the defect in Job's syndrome? - answerneutrophil chemotaxis abnormality - due to fa...