The Rationale for Administering Injections of Vitamin B12 to Patients

question 23

Multiple Choice

The rationale for administering injections of vitamin B12 to patients with pernicious anemia is that:

• A) The patient's body does not normally manufacture enough vitamin B12.
• B) The patient may lack the intrinsic factor necessary for vitamin B12 absorption.
• C) Vitamin B₁₂ is found in very small quantities in the patient's body.
• D) Vitamin B₁₂ is a mineral necessary to aid in the formation of strong bones.

Familiarize with the concept of posttranscriptional and posttranslational modifications of RNA and proteins.

Understand the principle of codon-anticodon pairing and its role in determining amino acid sequences in proteins.

Recognize the different phases of the cell cycle and their distinctive characteristics.

Understand the structure and components of the plasma membrane.

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Definitions:

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Aggregates of hyperphosphorylated tau protein found within neurons, associated with several neurodegenerative diseases, such as Alzheimer's disease.

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A progressive neurodegenerative disorder characterized by cognitive decline, memory loss, and personality changes.