1)- Cholesterol is a precursor of all of the following except- a) Taurocholate b) Glycocholate c) Calcitriol d) Corticosteroids e) Calcitonin. 2)- All 27 carbon atoms of cholesterol are derived from- a) Acetyl CoA b) Acetoacetyl CoA c) Propionyl CoA d) Succinyl CoA e) Malonyl CoA 3)- Cytosolic 3-hydroxy-3-methylglutaryl CoA (HMG CoA) is reduced to […]
Cholesterol-chemistry and metabolism- Multiple-choice questions Read More »
Q.1 – A gall stone that blocked the upper part of the bile duct would cause an increase in which of the following? a) The excretion of fats in the feces b) Formation of chylomicrons c) Excretion of bile salts d) Conjugation of bile acids e) Recycling of bile salts Q.2- An 8-year-old boy presents
Cholesterol metabolism- Multiple-choice questions Read More »
Q.1- A 73-year-old woman is transferred to an intensive care unit after she is found to be in septic shock. It is believed that she originally had a urinary tract infection and that the bacteria seeded her bloodstream. The critical care fellow is concerned she may not have an adequate stress response in this situation.
Practice questions-set-1 Read More »
1)- Several complexes in the electron transport chain contain non-heme iron. The iron in these complexes is bound tightly to which of the following amino acids? a) Serine b) Tyrosine c) Cysteine d) Methionine e) Glutamine 2)- A 27 –year-old female with epilepsy has been taking Phenytoin to control her seizures. She is pregnant and
Practice Questions Read More »
S.N. Process/Pathway affected Disease Major Manifestation 1) Digestion Lactose intolerance Sucrase/Isomaltase deficiency Inability to digest dairy products, bloating, pain- abdomen, diarrhea or constipation, etc. 2) Absorption (SGLT-1or SGLT-2 deficiency) Glucose/Galactose malabsorption Impaired dietary glucose/galactose absorption (SGLT-1), or Renal glycosuria (SGLT-2) 3) Glycolysis Hexokinase or Pyruvate kinase deficiency ( Hemolytic anemia 4) PDH Complex
Metabolic disorders- Carbohydrate metabolism Read More »
A 56-year-old man with long-standing poorly controlled diabetes mellitus visits his primary care physician for a follow up after recent hospitalization. The patient experienced an episode of acute renal failure while in the hospital and his creatinine level rose to 4 mg/dl. Creatinine, a marker of renal function is produced from which of the following
Biologically important peptides Read More »
Case details A severe form of obstructive lung disease, starting with dyspnea and leading progressively toward emphysema, was found in several members of the family. One brother had died earlier of lung disease. Blood plasma from his surviving brother and sister showed an abnormally low concentration of α1-Antitrypsin (5.5 μm, normal is 20–48 μm), the
Alpha1-Antitrypsin deficiency- a case study Read More »
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Diabetes mellitus- classification and etiopathogenesis-part-1 Read More »
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Diabetes mellitus- clinical manifestations and complications Read More »
