_______________________________ Is an Anticoagulant That Prevents Platelets from Clumping and Preserves

question 9

Multiple Choice

_______________________________ is an anticoagulant that prevents platelets from clumping and preserves the appearance of blood cells for microscopic preparation.

• A) Thrombin
• B) Sodium heparin
• C) Ethylenediamine tetraacetic acid (EDTA)
• D) Sodium polyanetholsulfonate

---

Definitions:

APP Gene

A gene on chromosome 21 that encodes the amyloid precursor protein (APP), which is thought to be involved in the pathogenesis of Alzheimer's disease.

Amyloid Precursor Protein

A protein that in humans is encoded by the APP gene, and is thought to be involved in the pathological process of Alzheimer's disease.

Protein Precursor

A substance that precedes and is transformed into a protein through biological processes, often involving translation and folding.

Huntington's Disease

A genetic disorder that causes the progressive breakdown of nerve cells in the brain, leading to physical, cognitive, and emotional symptoms.