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Welcome Drs 👨⚕️
🔘I'm Moayyad Hussein 🇸🇩🇸🇦
Holds a "MBBS" & “USMLE Step1” ..
I will put here Mcqs for medical students and then i will answer it with the explanation .. 📋
🔴For any questions or suggestions this is my account on Telegram :
@Auod5
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The latest Messages 3
2022-01-24 08:13:37
Answer : Stellate cell .. Stellate cells : are “quiescent fibroblasts” that normally reside in sinusoidal walls within the subendothelial space of Disse. Stellate cells are activated by inflammatory mediators to commence collagen synthesis, store vitamin…
138 views05:13
2022-01-24 08:11:33
Answer : Stellate cell ..
Stellate cells :are “
quiescent fibroblasts” that normally reside in sinusoidal walls within the subendothelial space of Disse. Stellate cells are activated by inflammatory mediators to commence collagen synthesis, store vitamin A, and regulate sinusoidal circulation ..
146 views05:11
2022-01-24 08:06:27
Answer : Viral Hepatitis ..
A transaminitis greater than 1000 is suggestive of :
(acute viral hepatitis, ischemic injury, medication/toxin induced injury “most commonly acetaminophen”or autoimmune hepatitis).
More rare causes of transaminitis greater than 1000 include (Wilson's disease and acute biliary obstruction).
148 viewsedited 05:06
2022-01-24 08:02:01
Answer : Low serum ceruloplasmin ..
The hallmark Lab value for Wilson disease :
Serum ceruloplasmin levels are less than 20 mg/dL (reference range, 20-40 mg/dL) in approximately 90% of all patients with Wilson disease ..
144 viewsedited 05:02
2021-11-16 10:28:44
70 voters125 views07:28
2021-11-16 10:22:28
51 voters137 views07:22
2021-11-16 10:02:03
53 voters138 views07:02
2021-10-26 14:53:33
120 views11:53
2021-10-26 14:41:03
Answer : Propionibacterium acne ..
Propionibacterium acnes infection produces lipases resulting in inflammation and breakdown of
sebum that is “
an oily substance produced in the sebaceous glands” leading to pustule formation.
121 views11:41
2021-10-26 14:35:21
Answer : Poor osteoclast function due to a carbonic anhydrase II mutation
An Acidic environment is needed for
osteoclasts to remove calcium from bone. A defect in maintaining this acidic environment, leads to poor bone resorption by osteoclasts resulting in overgrowth and sclerosis of cortical bone. This abnormally thick bone fractures easily.
Clinical features include bone fractures, anaemia, thrombocytopenia (due to bony replacement of marrow) and visual/ hearing loss due to cranial nerve compression. The patient can also develop renal tubular acidosis (defect in carbonic anhydrase leads to decreased reabsorption of bicarbonate) and hydrocephalus (narrowing of foramen magnum).
118 viewsedited 11:35
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