Notes in 📅 Merch 27 ✪ DS

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📅 Merch 27 - 📅 Module 5: Long Quiz 1 Blood & Hemopoiesis | Porphyrins & Heme Synthesis | Iron Metabolism

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Published	01/14/2024	Which of the following statements is correct about iron absorption? A. Iron absorption depends on the iron status of the person only.B. There sho…
Published	01/14/2024	Which of the following decreases iron absorption: A. BeansB. MilkC. ChocolateD. Ascorbate
Published	01/14/2024	Regulation of iron absorption occurs in the A. IleumB. Distal duodenumC. JejunumD. Proximal duodenum
Published	01/14/2024	Which of the following is the best indicators of iron stores? A. TransferrinB. HemosiderinC. TIBCD. Ferritin
Published	01/14/2024	This/these is/are Iron Oxidases A. HephaestinB. Steap 3C. CeruloplasminD. Hepcidin
Published	01/14/2024	which of the following requires pyroxidine to catalyse? A. ALASB. ALADC. PBG DeaminaseD. Ferrochelatase
Published	01/14/2024	What is true about erythroid ALA synthase (ALA2) A. heme inhibits its movement from cytosolB. heme inhibit its activityC. …. cytochrome P450 (its…
Published	01/14/2024	Lead poisoning affects heme metabolism because it disrupts the activity of? A. ALASB. ALADC. FerrochelataseD. Both A and C
Published	01/14/2024	Phenobarbital is an anticonvulsant (anti-seizure) that induces the cytochrome P450 system. If this drug is inadvertently given to a patient with acute…
Published	01/14/2024	Heme Oxygenase is found in the A. CytosolB. MitochondriaC. MicrosomeD. Endoplasmic reticulum
Published	01/14/2024	Porphyrinogen ring consists of 4 pyrrole rings linked by: A. methylene bridgesB. methyne bridgesC. methoxy bridgesD. methylane bridges
Published	01/14/2024	UDP-glucuronate is added to the _____ group of bilirubin A. MethylB. VinylC. PropionateD. Hydrogen
Published	01/14/2024	Heme oxygenase is an enzymatic complex responsible for heme catabolism in the microsome. Which of the following is one of its products?A. COB. CO…
Published	01/14/2024	A 24-year-old patient was brought to the clinic with acute abdominal pain, depression and extreme weakness. Urine analysis revealed the presence of AL…
Published	01/14/2024	In the conversion of uroporphyrinogen to uroporphyrin, 6 Hydrogen atoms are removed from the __________.A. Methylene bridges and nitrogenB. Prop…
Published	01/14/2024	Which of the following reaction is involved in the reaction of coprophorphyrinogen to protophorphyrinogen?A. DecarboxylationB. OxidationC. ReductionD.…
Published	01/14/2024	Which of the following is INCORRECT? A. Synthesis of ALA occurs in the mitochondriaB. UPG decarboxylase is specific for the type III isomer as substra…
Published	01/14/2024	A 2 y/o was noted to develop anemia after playing with mothballs. Her mom claimed that he has G6PD deficiency. Enzymes protect RBC from several oxida…
Published	01/14/2024	A deeply jaundiced 6 hours old newborn is lethargic and had seizures. His blood type is A Rh (+) while his mother is O Rh (+). The attending physician…
Published	01/14/2024	Which of the following statements is INCORRECT? A. Bilirubin is a cyclic tetrapyrroleB. Albumin-bound bilirubin is transported to the liverC. Bil…
Published	01/14/2024	Which of the following is INAPPROPRIATE for patients with porphyria? A. Avoid fasting and alcoholB. Glucose loadingC. Beta carotene and sunscreenD.&nb…
Published	01/14/2024	Protoporphyrin III are abundant in nature because of the activity of A. PPG OxidaseB. UPG I SynthaseC. CPG OxidaseD. UPG III Synthase
Published	01/14/2024	62-year old female becomes progressively jaundiced. Shows a sign of intermittent abdominal pain and weight loss. Just recently she noted that her stoo…
Published	01/14/2024	Which is not a hemoprotein? A. LigandinB. Cytochrome P450C. AlbuminD. both A and C
Published	01/14/2024	The side chains of the porphyrin are derived from:A. glycineB. succinyl CoaC. both a and bD. neither a and b
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