Podcast
Questions and Answers
Which form of dietary iron is derived from hemoglobin and myoglobin of animal food sources?
Which form of dietary iron is derived from hemoglobin and myoglobin of animal food sources?
- Non-heme iron
- Hemozinc
- Heme iron (correct)
- Ferrous iron
What is the approximate daily iron loss from menses in women of childbearing age?
What is the approximate daily iron loss from menses in women of childbearing age?
- 0.1 mg
- 1 mg (correct)
- 5 mg
- 10 mg
Which form of dietary iron is better absorbed by the body?
Which form of dietary iron is better absorbed by the body?
- Iron sulfate
- Heme iron (correct)
- Non-heme iron
- Iron oxide
Where does absorption of ferrous iron primarily occur in the gastrointestinal tract?
Where does absorption of ferrous iron primarily occur in the gastrointestinal tract?
What percentage of dietary iron is typically absorbed by the body?
What percentage of dietary iron is typically absorbed by the body?
Which condition is characterized by excessive intestinal absorption of dietary iron?
Which condition is characterized by excessive intestinal absorption of dietary iron?
What is the primary cause of primary hemochromatosis?
What is the primary cause of primary hemochromatosis?
Which organ is NOT commonly affected by iron deposition in hemochromatosis?
Which organ is NOT commonly affected by iron deposition in hemochromatosis?
What causes hemosiderosis in the reticuloendothelial system?
What causes hemosiderosis in the reticuloendothelial system?
What is the function of ferritin in the body?
What is the function of ferritin in the body?
In iron overload conditions, what is the role of transferrin in the plasma?
In iron overload conditions, what is the role of transferrin in the plasma?
What does Total Iron Binding Capacity (TIBC) reflect in the blood?
What does Total Iron Binding Capacity (TIBC) reflect in the blood?
'Bronze diabetes' is a term sometimes used to describe which condition?
'Bronze diabetes' is a term sometimes used to describe which condition?
Which of the following clinical features is NOT associated with iron deficiency anemia?
Which of the following clinical features is NOT associated with iron deficiency anemia?
What is the most common cause of iron deficiency anemia in the developing world?
What is the most common cause of iron deficiency anemia in the developing world?
Which of the following is a feature of microcytic hypochromic anemia?
Which of the following is a feature of microcytic hypochromic anemia?
How does ferroxidase contribute to iron transport in the body?
How does ferroxidase contribute to iron transport in the body?
What is a common cause of iron deficiency anemia due to decreased iron uptake?
What is a common cause of iron deficiency anemia due to decreased iron uptake?
Which of the following is NOT a cause of iron overload leading to pathological increase in iron body stores?
Which of the following is NOT a cause of iron overload leading to pathological increase in iron body stores?
What is the role of transferrin in iron metabolism?
What is the role of transferrin in iron metabolism?
Which of the following is NOT a function of iron in the human body?
Which of the following is NOT a function of iron in the human body?
In iron overload, the excess iron most commonly accumulates in which organ?
In iron overload, the excess iron most commonly accumulates in which organ?
Which of the following is a common clinical feature of iron deficiency anemia?
Which of the following is a common clinical feature of iron deficiency anemia?
Iron deficiency anemia can result from insufficient intake or absorption of iron, chronic blood loss, and:
Iron deficiency anemia can result from insufficient intake or absorption of iron, chronic blood loss, and:
Which condition is NOT a common cause of iron overload?
Which condition is NOT a common cause of iron overload?
Which blood marker is typically decreased in iron deficiency anemia?
Which blood marker is typically decreased in iron deficiency anemia?
Iron overload can lead to tissue damage through the generation of reactive oxygen species via which reaction?
Iron overload can lead to tissue damage through the generation of reactive oxygen species via which reaction?
Inadequate dietary intake of which micronutrient can contribute to the development of iron deficiency anemia?
Inadequate dietary intake of which micronutrient can contribute to the development of iron deficiency anemia?
What is the name of the protein on the apical membrane of enterocytes that transports iron across the membrane?
What is the name of the protein on the apical membrane of enterocytes that transports iron across the membrane?
Which hormone is produced in the liver and plays a key role in controlling iron absorption by binding to and inactivating ferroportin?
Which hormone is produced in the liver and plays a key role in controlling iron absorption by binding to and inactivating ferroportin?
In a classical feedback system, what stimulates hepcidin production which leads to decreased iron absorption?
In a classical feedback system, what stimulates hepcidin production which leads to decreased iron absorption?
Which protein is responsible for oxidizing Fe2+ to Fe3+ for storage of normal amounts of Fe3+ in tissues under normal conditions?
Which protein is responsible for oxidizing Fe2+ to Fe3+ for storage of normal amounts of Fe3+ in tissues under normal conditions?
What is generated from ferritin denaturation under conditions of iron overload?
What is generated from ferritin denaturation under conditions of iron overload?
Which type of gastric acidity decrease can lead to lower iron absorption?
Which type of gastric acidity decrease can lead to lower iron absorption?
What is the name of the transporter that allows iron to be transported through the basolateral membrane and into circulation?
What is the name of the transporter that allows iron to be transported through the basolateral membrane and into circulation?
Which nutrient is regulated by Hepcidin in a manner where it controls the delivery of this nutrient from intestinal cells to blood?
Which nutrient is regulated by Hepcidin in a manner where it controls the delivery of this nutrient from intestinal cells to blood?
Flashcards are hidden until you start studying
