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An organ or tissue may be able to resist damage from hypoperfusion if the:

A. systolic arterial blood pressure is at least 60 mm Hg
B. heart rate is maintained at more than 100 beats/min
C. body's demand for oxygen is markedly increased
D. body's temperature is considered less than 98.6(36.0 degrees C) degrees

User ChanGan
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Final answer:

An organ or tissue may be able to resist damage from hypoperfusion if the systolic arterial blood pressure is at least 60 mm Hg (option A), as this ensures sufficient blood flow and oxygenation to prevent ischemia and hypoxia.

Step-by-step explanation:

The ability of an organ or tissue to resist damage from hypoperfusion is critical for survival and typically relies on maintaining adequate mean arterial pressure (MAP) to ensure sufficient blood flow and oxygen delivery. Hypoperfusion occurs when there is an inadequate supply of blood to an organ or tissue. In the context of this student's question, while maintaining a heart rate above 100 beats/min may support circulation, it is not the primary factor in resisting damage from hypoperfusion. A systolic arterial blood pressure of at least 60 mm Hg is the threshold below which blood pressure might not be high enough to guarantee circulation through the tissues, leading to ischemia and potentially hypoxia if not corrected. The other options, increased demand for oxygen and lower body temperature, are not directly connected to the ability of an organ or tissue to resist damage from hypoperfusion.

Homeostasis and the body's autoregulatory mechanisms maintain blood pressure within a safe range to ensure perfusion and prevent damage to the tissue. A balanced blood pressure is crucial for survival, as it must be high enough to reach all body tissues yet low enough to prevent damage to the blood vessels. The correct answer to the student's question is that an organ or tissue may be able to resist damage from hypoperfusion if the systolic arterial blood pressure is at least 60 mm Hg.

User Markus Persson
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