Readers ask: Lack Of Vitamin B12 Or Impairment Of Its Metabolism Can Lead To Which Of The Following?

What is the main cause of vitamin B12 deficiency quizlet nutrition?

Where is vitmain B 12 found? A form of macrocytic anemia that is the primary cause of a vitamin B12 deficiency; occurs at the end stage of an autoimmune disorder that causes the loss of various cells in the stomach.

What is the function of intrinsic factor in vitamin B12 absorption group of answer choices?

Intrinsic factor is a protein that helps your intestines absorb vitamin B12. It is made by cells in the stomach lining.

Which foods are high in vitamin B12?

To increase the amount of vitamin B12 in your diet, eat more of foods that contain it, such as:

  • Beef, liver, and chicken.
  • Fish and shellfish such as trout, salmon, tuna fish, and clams.
  • Fortified breakfast cereal.
  • Low-fat milk, yogurt, and cheese.
  • Eggs.
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Who is at greatest risk for vitamin E deficiency?

In some cases, vitamin E deficiency results from a rare genetic condition known as ataxia. This condition is neurologically based and affects muscle control and coordination. It’s most likely to develop in children between the ages of 5 and 15.

What is the most common cause of vitamin B12 deficiency?

However, the most common cause of vitamin B-12 deficiency anemia is a lack of a substance called intrinsic factor, which can be caused when your immune system mistakenly attacks the stomach cells that produce this substance. This type of anemia is called pernicious anemia.

What vitamin helps improve skin integrity?

A number of antioxidant chemicals, including vitamin C, are present in the skin (Thiele et al., 2001). These anti-oxidants maintain skin homeostasis; i.e., protection of proteins/lipids from oxidation (Tyrrell and Keyse, 1990; Thiele et al., 2001).

What causes lack of intrinsic factor?

The inability to make intrinsic factor may be caused by several things, such as: Chronic gastritis. Surgery to remove all or part of the stomach (gastrectomy) An autoimmune condition, where the body attacks its own tissues.

Can you absorb B12 without intrinsic factor?

A small amount of vitamin B12 is absorbed by passive diffusion without intrinsic factor.

What would be the result of a deficiency of intrinsic factor?

Summary. Intrinsic factor deficiency is a rare condition that is characterized by pernicious anemia and neurological abnormalities. Most affected people develop signs and symptoms of the condition before age 5 years which may include failure to thrive and symptoms related to anemia (i.e. fatigue, pale skin, etc).

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Which form of vitamin B12 is best?

The body may absorb cyanocobalamin better, while methylcobalamin has a higher retention rate. Both can prevent B12 deficiency, but methylcobalamin should be combined with adenosylcobalamin for best results.

How do you know if your B12 is low?

Symptoms of Vitamin B12 Deficiency

  1. Weakness, tiredness, or lightheadedness.
  2. Heart palpitations and shortness of breath.
  3. Pale skin.
  4. A smooth tongue.
  5. Constipation, diarrhea, loss of appetite, or gas.
  6. Nerve problems like numbness or tingling, muscle weakness, and problems walking.
  7. Vision loss.

Which fruit is best for vitamin B12?

Vitamin B-12 is not found in fruits, but that’s no reason to leave fruit off your plate. Most fruit is high in folic acid, another B vitamin your body may lack. Fruit is also high in fiber. High-fiber diets may reduce your risk of obesity, heart disease, and diabetes.

Which disease is caused due to lack of vitamin E?

Abetalipoproteinemia is a rare inherited disorder of fat metabolism that results in poor absorption of dietary fat and vitamin E. The vitamin E deficiency associated with this disease causes problems such as poor transmission of nerve impulses and muscle weakness.

What are the signs of vitamin E deficiency?

Vitamin E deficiency can cause nerve and muscle damage that results in loss of feeling in the arms and legs, loss of body movement control, muscle weakness, and vision problems. Another sign of deficiency is a weakened immune system.

Is a sign of vitamin E deficiency in humans?

Share on Pinterest Vitamin E deficiency may cause disorientation and vision problems. Low levels of vitamin E can lead to: Muscle weakness: Vitamin E is essential to the central nervous system. It is among the body’s main antioxidants, and a deficiency results in oxidative stress, which can lead to muscle weakness.

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