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Rate My Plate: Chapter 20 Saved Required information At age 62, you have suffered for years...

Question:

Rate My Plate: Chapter 20 Saved Required information At age 62, you have suffered for years with frequent heartburn and youv
Rate My Plate: Chapter 20 Saved Required information At age 62, you have suffered for years with frequent heartburn and you've been taking an acid-reducing medication to reduce your symptoms. Recently, you began feeling weak, fatigued, and short of breath. Blood tests revealed macrocytic anemia due to vitamin B-12 deficiency. Due to reduced stomach acid secretion, your absorption of vitamin B-12 has been impaired. What would you choose to boost your vitamin B-12 status? Part 1 of 5 Click and drag to show where each of the following steps of vitamin B-12 digestion and absorption occur in the body. points protein produced 8-12 birds to protein B-12 binds to intrinsic factor 8-12 carved from food protein 0-12 absorbed Intrinsic actor produced B-12 cleared from groen Reset

Answers

R protein is the protein produced by salivary glands in the mounth, It produces Haptocorrin vitamin B12 cmplex which protects vitamin B12 from acidic effects of the stomach.

B12 binds to R protein in stomach in the presence of HCL juice.

Terminal Ileum - B12 binds to intrinsic factor

Vitamin B12is bound to protein in food and is cleaved from protein by the hydrochloric acid produced by the gastric mucosa. Thereafter it is available for absorption.

Vitamin B12 is absorbed in the last part of the small intestine i.e. ileum

Intrinsic factor is produced by the parietal cells of the stomach

In the duodenum B12 is cleaved from R protein

.

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