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When a physician informs a patient that ...

When a physician informs a patient that his blood pressure reading is 160/90 , she refers respectively to

A

systolic pressure of the right ventricle

B

systolic pressure of the aorta and diastolic pressure in the superior vena cava

C

systolic and diastolic pressures of the brachial artery

D

blood pressure in the veins of the arm

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The correct Answer is:
To solve the question regarding the blood pressure reading of 160/90, we need to understand the components of blood pressure measurements. ### Step-by-Step Solution: 1. **Understanding Blood Pressure Readings**: Blood pressure is expressed in two numbers, for example, 160/90. The first number (160) is known as the systolic blood pressure (SBP), and the second number (90) is known as the diastolic blood pressure (DBP). 2. **Identifying Systolic Blood Pressure**: The systolic blood pressure (160) measures the pressure in the arteries when the heart beats and pumps blood. This occurs during the contraction phase of the heart cycle, known as systole. 3. **Identifying Diastolic Blood Pressure**: The diastolic blood pressure (90) measures the pressure in the arteries when the heart is at rest between beats. This occurs during the relaxation phase of the heart cycle, known as diastole. 4. **Relating Blood Pressure to Heart Function**: - Systolic pressure is associated with the contraction of the heart ventricles, where blood is pushed into the aorta. - Diastolic pressure is associated with the filling of the heart chambers, where blood returns to the heart from the body through veins. 5. **Conclusion**: Therefore, when the physician informs the patient that the blood pressure reading is 160/90, she refers to: - Systolic blood pressure (160) as the pressure in the aorta during heart contraction. - Diastolic blood pressure (90) as the pressure in the superior vena cava when the heart is relaxed. ### Final Answer: The correct interpretation of the blood pressure reading of 160/90 is that it refers to the systolic pressure in the aorta (160) and the diastolic pressure in the superior vena cava (90). ---
To solve the question regarding the blood pressure reading of 160/90, we need to understand the components of blood pressure measurements. ### Step-by-Step Solution: 1. **Understanding Blood Pressure Readings**: Blood pressure is expressed in two numbers, for example, 160/90. The first number (160) is known as the systolic blood pressure (SBP), and the second number (90) is known as the diastolic blood pressure (DBP). 2. **Identifying Systolic Blood Pressure**: The systolic blood pressure (160) measures the pressure in the arteries when the heart beats and pumps blood. This occurs during the contraction phase of the heart cycle, known as systole. ...
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