Which Structures or Processes Prevent Excessive Loss of Blood Pressure

question 75

Multiple Choice

Which structures or processes prevent excessive loss of blood pressure during severe bleeding

• A)venous valves
• B)venoconstriction
• C)vasodilation
• D)arteriosclerosis
• E)arteriovenous anastomoses

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Definitions:

Nucleolus

A small, dense structure found within the nucleus of cells, involved in the production of ribosomes and ribosomal RNA.

Actin

A globular structural protein that forms microfilaments, part of a cell's cytoskeleton, and is involved in various types of cell movement and muscle contraction.

Myosin

A protein that, along with actin, plays a key role in muscle contraction by pulling actin filaments.

Lysosome

A membrane-bound cell organelle that contains digestive enzymes to break down waste materials and cellular debris.