Podcast
Questions and Answers
Where does almost all iron absorption occur in humans?
Where does almost all iron absorption occur in humans?
- Jejunum
- Stomach
- Ileum
- Duodenum (correct)
Which protein facilitates basolateral transport of iron out of enterocytes?
Which protein facilitates basolateral transport of iron out of enterocytes?
- Apoferritin
- Hephaestin (correct)
- Ferritin
- Transferrin
What is the normal percentage of iron saturation in transferrin in the plasma?
What is the normal percentage of iron saturation in transferrin in the plasma?
- 10%
- 25%
- 50%
- 35% (correct)
Which subtype of heme oxygenase removes Fe2+ from porphyrin in the cytoplasm?
Which subtype of heme oxygenase removes Fe2+ from porphyrin in the cytoplasm?
Where is most of the iron stored in the body?
Where is most of the iron stored in the body?
Which protein is involved in binding Fe3+ to form transferrin?
Which protein is involved in binding Fe3+ to form transferrin?
What is the normal plasma iron level in women?
What is the normal plasma iron level in women?
In which part of the body does heme bind to an apical transport protein?
In which part of the body does heme bind to an apical transport protein?
What is the predominant form of iron in the body?
What is the predominant form of iron in the body?
What is the function of apoferritin in the body?
What is the function of apoferritin in the body?
Which enzyme can auto-catalytically activate trypsinogen?
Which enzyme can auto-catalytically activate trypsinogen?
Where do some amino acids get liberated by aminopeptidases and endopeptidases?
Where do some amino acids get liberated by aminopeptidases and endopeptidases?
Which system transports dipeptides and tripeptides into enterocytes using H+?
Which system transports dipeptides and tripeptides into enterocytes using H+?
What is the final location where amino acids are digested into the bloodstream?
What is the final location where amino acids are digested into the bloodstream?
Which deficiency results in protein malnutrition due to a congenital abnormality?
Which deficiency results in protein malnutrition due to a congenital abnormality?
Which enzyme hydrolyzes amino acids at the carboxyl ends of polypeptides?
Which enzyme hydrolyzes amino acids at the carboxyl ends of polypeptides?
What is the primary function of PepT1 system?
What is the primary function of PepT1 system?
Which of the following systems require Na+ for transport?
Which of the following systems require Na+ for transport?
Where do some free amino acids get liberated in the digestive process?
Where do some free amino acids get liberated in the digestive process?
Which enzyme is an exopeptidase that hydrolyzes amino acids at the carboxyl ends of polypeptides?
Which enzyme is an exopeptidase that hydrolyzes amino acids at the carboxyl ends of polypeptides?
Where do M cells pass protein antigens to?
Where do M cells pass protein antigens to?
Which transporters are expressed on the apical membrane of enterocytes for nucleoside absorption?
Which transporters are expressed on the apical membrane of enterocytes for nucleoside absorption?
Where are nucleotides split into nucleosides and phosphoric acid in the intestine?
Where are nucleotides split into nucleosides and phosphoric acid in the intestine?
Which cells secrete IgA in response to subsequent exposures to the same antigen?
Which cells secrete IgA in response to subsequent exposures to the same antigen?
What is the quantitative significance of lingual lipase and stomach lipase for lipid digestion?
What is the quantitative significance of lingual lipase and stomach lipase for lipid digestion?
Which transporter requires active transport for absorption of bases in the intestines?
Which transporter requires active transport for absorption of bases in the intestines?
Where are activated lymphoblasts initially released into following circulation?
Where are activated lymphoblasts initially released into following circulation?
In which species is lingual lipase secreted by Ebner glands?
In which species is lingual lipase secreted by Ebner glands?
What is the direct effect of free fatty acids generated by lingual and stomach lipase?
What is the direct effect of free fatty acids generated by lingual and stomach lipase?
Which organ secretes pancreatic nucleases that split nucleic acids into nucleotides?
Which organ secretes pancreatic nucleases that split nucleic acids into nucleotides?
