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
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1- Which statement best describes Xanthine ? a) It is a direct precursor of Guanine b) It covalently binds to Allopurinol c) It is oxidized to form Uric acid d) It is oxidized to form Hypoxanthine e) It is a substrate rather than a product of the enzyme Xanthine oxidase 2- Methylated heterocyclic bases of
Chemistry of Nucleotides-Multiple-choice questions Read More »
Q.1- Which of the following is not a disaccharide? a) Hyaluronic acid b) Maltose c) Lactose d) Sucrose Q.2- What is the molecular formula of Glucose? a) CH3OH b) C12H22O11 c) C6H1206 d) C6H12O5 Q.3-Sucrose is composed of which two sugars? a) Glucose and Glucose b) Glucose
Multiple-choice questions- Chemistry of carbohydrates- Revision- Set-2 Read More »
“Understand acid-base imbalances and their clinical significance. This guide includes cases on metabolic acidosis, respiratory alkalosis, and normal anion gap metabolic acidosis, along with ABG interpretation and renal handling of acids.”
“Comprehensive Guide: Acid-Base Imbalance, Anion Gap, and Clinical Cases” 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 »
