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Aortic stenosis results from

Aortic stenosis results from

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Educational Content on Aortic Stenosis** **Question:** Aortic stenosis results from: - ○ Calcification of the valve cusps - ○ Thrombocytopenia - ● A congenital heart defect - ○ Cardiac tamponade **Explanation:** This question aims to test the knowledge of potential causes of aortic stenosis, a condition characterized by the narrowing of the aortic valve opening. The correct answer is marked with a blue circle (●), indicating that aortic stenosis can result from "a congenital heart defect." Other potential causes include calcification of the valve cusps, but not typically thrombocytopenia or cardiac tamponade. **Answer Key:** - Calcification of the valve cusps (Incorrect) - Thrombocytopenia (Incorrect) - A congenital heart defect (Correct) - Cardiac tamponade (Incorrect) Aortic stenosis may be caused by various factors, including congenital heart defects where the heart’s structure is not formed correctly from birth. This is a common presentation in pediatric cases, whereas calcification of the valve cusps is a more frequent cause in older adults due to the degenerative process. Thrombocytopenia refers to a low platelet count and is unrelated to aortic valve abnormalities. Cardiac tamponade, a condition where blood or fluids fill the space between the sac that encases the heart and the heart muscle, does not directly cause aortic stenosis.
Transcribed Image Text:**Educational Content on Aortic Stenosis** **Question:** Aortic stenosis results from: - ○ Calcification of the valve cusps - ○ Thrombocytopenia - ● A congenital heart defect - ○ Cardiac tamponade **Explanation:** This question aims to test the knowledge of potential causes of aortic stenosis, a condition characterized by the narrowing of the aortic valve opening. The correct answer is marked with a blue circle (●), indicating that aortic stenosis can result from "a congenital heart defect." Other potential causes include calcification of the valve cusps, but not typically thrombocytopenia or cardiac tamponade. **Answer Key:** - Calcification of the valve cusps (Incorrect) - Thrombocytopenia (Incorrect) - A congenital heart defect (Correct) - Cardiac tamponade (Incorrect) Aortic stenosis may be caused by various factors, including congenital heart defects where the heart’s structure is not formed correctly from birth. This is a common presentation in pediatric cases, whereas calcification of the valve cusps is a more frequent cause in older adults due to the degenerative process. Thrombocytopenia refers to a low platelet count and is unrelated to aortic valve abnormalities. Cardiac tamponade, a condition where blood or fluids fill the space between the sac that encases the heart and the heart muscle, does not directly cause aortic stenosis.
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