Multiple Choice
In the context of homeostasis, if a patient is experiencing an inability to regulate blood glucose levels, what is the likely problem the patient is suffering from?
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
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Which of the following statements regarding angina pectoris is true?
A
Angina pectoris results from a complete blockage of a coronary artery.
B
Angina pectoris is characterized by a permanent damage to the heart muscle.
C
Angina pectoris occurs when the heart muscle receives an excess supply of oxygen.
D
Angina pectoris is caused by a temporary reduction in blood flow to the heart muscle.
Verified step by step guidance1
Understand that angina pectoris is a condition related to the heart, specifically involving the coronary arteries that supply blood to the heart muscle.
Recognize that angina pectoris is not caused by a complete blockage of a coronary artery. A complete blockage would lead to a myocardial infarction (heart attack), not angina.
Note that angina pectoris does not result in permanent damage to the heart muscle. It is a temporary condition that occurs when the heart muscle does not receive enough oxygen-rich blood.
Clarify that angina pectoris is not due to an excess supply of oxygen to the heart muscle. Instead, it is the result of a temporary reduction in blood flow and oxygen supply.
Conclude that the correct statement is that angina pectoris is caused by a temporary reduction in blood flow to the heart muscle, leading to chest pain or discomfort.
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