A Patient Is Being Prepared for Splenectomy

question 28

Multiple Choice

A patient is being prepared for splenectomy.What is the purpose of the order for a vitamin K injection?

• A) It corrects a dietary deficiency.
• B) It helps correct underlying anemia.
• C) It corrects clotting factor deficiencies.
• D) It replaces vitamin K lost during night sweats.

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Definitions:

Epistasis

A genetic interaction where the effect of one gene is modified by one or several other genes, which can mask or alter its phenotype.

XIST

A gene involved in X chromosome inactivation, playing a crucial role in dosage compensation between males and females.

Long Noncoding RNA

A type of RNA longer than 200 nucleotides that does not code for protein but plays various roles in regulating gene expression at the transcriptional and post-transcriptional levels.

X Chromosomes

One of the two sex chromosomes in mammals, including humans, responsible for determining genetic sex when paired with a Y chromosome for males or another X chromosome for females.