When the Valve Flaps Are Stiff or Fused Together, Thus

question 115

Multiple Choice

When the valve flaps are stiff or fused together, thus narrowing the valve, it is called

• A) stenosis.
• B) thrombosis.
• C) ASD.
• D) incompetence.

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Definitions:

Technology Failure

Events or conditions where technological systems do not operate as intended, leading to negative outcomes or disruptions.

Acid Rain

Acid rain refers to precipitation that is significantly more acidic than normal, resulting from atmospheric pollution, especially the emission of sulfur and nitrogen compounds.

Ultraviolet Radiation

Ultraviolet radiation is a type of electromagnetic radiation coming mainly from the sun, with wavelengths shorter than visible light, known for its role in skin tanning and potential to cause skin damage.

Oxygen

Oxygen is a chemical element with symbol O and atomic number 8; essential for respiration in most living organisms and important in industrial processes.