Birefringent - Study guides, Class notes & Summaries

SEMMELWEIS UNIVERSITY Medical Biophysics I. Semifinal - Theory topics Types of radiation according to energy transfer: Electromagnetic (light), mechanical (sound), particle (alpha) according to interaction with matter: ionizing (alpha), nonionizing (sound) Dependance of irradiance on distance from the source Irradiance is the incident radiation on a target. The dependence on distance from the source varies with the type of source. Assuming there is no attenuation: ● Point like sour...

Centrifuges (4) #1- Table top centrifuges are used in clinical labs to separate cells from serum or plasma. #2- Micro-centrifuges are small centrifuges used for small plastic conical containers with an integral snap cap. #3- High speed centrifuges reach speeds b/w 17,000 & 30,000 rpm. #4- Ultra Centrifuges are high speed centrifuges (15,000 rpm). Small air-driven to separate chylomicrons from serum. Pipettes types (3) 1. Automated pipettes 2. semi-automated micro-pipettes 3. Glass ...

USMLE Step 3 QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)

often precedes squamous cell carcinoma - ANSWER actinic keratosis primary adrenocortical deficiency - ANSWER Addison's disease polyostotic fibrous dysplasia, precocious puberty, cafe-au-lait spots, short stature, young girls - diagnosis? - ANSWER Albright's syndrome hereditary nephritis with nerve deafness - ANSWER Alport's syndrome anti-basement membrane antibodies - diagnosis? - ANSWER Goodpasture's syndrome anticentromere antibodies - diagnosis? - ANSWER scleroderma (CREST)...

USMLE Step 3 Exam Questions With Correct Answers Pseudogout associations - answerhemochromatosis, hyperparathyroidism, acromegaly, hypothyroidism Gout crystals - answernegatively birefringent needles Pseudogout crystals - answerpositively birefringent needles Vasculitis associated with chronic Hep B - answerpolyarteritis nodosa Vasculitis associated with chronic Hep C - answercryoglobulinemia Best blood test for polyarteritis nodosa - answerThere is none. Get abdominal angiography first...

Pseudogout associations - ANSWER-hemochromatosis, hyperparathyroidism, acromegaly, hypothyroidism Gout crystals - ANSWER-negatively birefringent needles Pseudogout crystals - ANSWER-positively birefringent needles Vasculitis associated with chronic Hep B - ANSWER-polyarteritis nodosa Vasculitis associated with chronic Hep C - ANSWER-cryoglobulinemia Best blood test for polyarteritis nodosa - ANSWER-There is none. Get abdominal angiography first, then biopsy of muscle, skin, or sur...

When using Fite Procedure, mycobacteria are stained? - Red Which of the following will bind to acid mucosubstances, which then can be demonstrated by the Prussian Blue reaction? - colloidal iron Duplicate sections are stained with PAS, one with and one without diastase digestion. When the staining results are evaluated, the digestions sections demonstrate? - sites where glycogen was removed Which of the following pigmensts is birefringent? - formalin Acid mucosubstances and neutral mucosub...

Centrifuges (4) #1- Table top centrifuges are used in clinical labs to separate cells from serum or plasma. #2- Micro-centrifuges are small centrifuges used for small plastic conical containers with an integral snap cap. #3- High speed centrifuges reach speeds b/w 17,000 & 30,000 rpm. #4- Ultra Centrifuges are high speed centrifuges (15,000 rpm). Small air-driven to separate chylomicrons from serum. Pipettes types (3) 1. Automated pipettes 2. semi-automated micro-pipettes 3. Glass ...

Monoclonal antibody spike - best review1. Multiple myeloma (M protein, IgG or IgA) 2. Monoclonal gammopathy of undetermined significance (aging) 3. Waldenstrom's macroglobulinemia (IgM) 4. Primary amyloidosis Monoclonal globulin protein in blood/urine - best review1. Bence Jones proteins (multiple myeloma, kappa or lambda light chains in urine) 2. Waldenstrom's macroglobulinemia (IgM) Mucin-filled cell with peripheral nucleus - best review Signet ring (gastric carcinoma) Narrowing of ...

Ring enhancing lesion on CT head, with known infx elsewhere - Answer Brain abscess. MC organisms are aerobic and anaerobic strep and Bacteroides Stable angina: long term tx? - Answer 1. Beta blockers. 2. CCB or long-acting nitrates Uncomplicated cystitis in young woman: Tx? - Answer Bactrim or nitrofurantoin. (Complicated- tx with cipro or levofloxacin) Skin lesion that is suspicious for melanoma: next step? - Answer Excisional biopsy w/ narrow margins (so you can dx Breslow depth of inv...