Case details A 15- year-old boy had numbness and tingling around his mouth and in his fingertips. The problem was intermittent usually occurring during times of great stress. Aside from his problem, he had been in good health. His physical examination was normal, as were his laboratory values, especially his total calcium concentration was 2.5 […]
Stress-induced hypocalcemia Read More »
Case details-1 A 45 year-old-female suffering from bronchial asthma was brought to an emergency in a critical state with extreme difficulty in breathing. The blood gas analysis revealed the following pH- 7.3 PCO2- 46 mm Hg PO2- 55 mm Hg HCO3- 24meq/L What is your Interpretation? Case discussion- Low pH – acidosis Low PO2
Case studies- Acid Base Balance and Imbalance Read More »
Q.1- Choose the odd one out Heparin, Heparan, Dermatan, Dextran (Dextran) Q.2- Choose the odd one out Starch, Glycogen, Chitin, Inulin
Chemistry of Carbohydrates- Viva Questions Read More »
Case details A 6-year-old boy is seen by a pediatrician because his parents are concerned about his aggressive behavior, hyperactivity, and a loss of language skills. He also has recently become increasingly unsteady on his feet and has experienced a recent seizure. Slight facial feature coarsening is noted. In which of the following processes is this child
Sanfilippo syndrome Read More »
A 57 -year-old man has been admitted with congestive heart failure. He has been given Digoxin, which helps the heart to beat more strongly and regularly. Digoxin is an ester that contains a sugar component (glycol) and a nonsugar (aglycone) component attached via oxygen. Digoxin should be best classified as a: A. Disaccharide B. Glycoprotein
Digoxin- Chemistry and mechanism of action Read More »
Prior to a race, many marathon runners will try to increase their glycogen concentrations by loading up with foods with high starch content, such as pasta. α-Amylase secreted by the pancreas will digest the starch into which of the following major products? A. Amylose, amylopectin, and maltose B. Glucose, galactose, and fructose C. Glucose, sucrose,
The action of alpha-amylase on starch Read More »
Case details Infants have decreased ability to conjugate Glucuronic acid on to drugs such as Chloramphenicol. Administration of this antibiotic during the neonatal period can result in elevated plasma levels of the drug and a fetal shock-like syndrome referred to as Gray Baby syndrome. (Image courtesy-Gray Baby Syndrome: What You Need to Know) Glucuronic acid
Gray Baby syndrome and the role of Glucuronic acid Read More »
The influenza virus infects cells by binding its viral hemagglutinin to “Sialic acid” on the surface of epithelial cells. Which of the following represents the true chemical nature of sialic acid? A. Glycolipid B. Amino sugar C. Amino sugar acid D. Lipoprotein E. Glycoprotein. Details The correct answer is C- Amino sugar acid. Sialic acid
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Case Details A 54 –year- old woman who was bed-bound in a nursing home began to develop swelling of her left leg. She was evaluated with venous Doppler ultrasound and was found to have a deep vein thrombosis. She was immediately started on heparin to prevent the clot from further enlarging. What is the chemical
Heparin- Mechanism of action-a case study Read More »
