Which of the following conditions is NOT associated with decreased perfusion?

In assessing conditions associated with decreased perfusion, hypertension is not typically classified among them. Perfusion refers to the delivery of blood to tissues, which is essential for providing nutrients and oxygen while also facilitating the removal of waste products.

Severe chronic obstructive pulmonary disease (COPD) can impair ventilation and lead to hypoxemia, which may subsequently reduce perfusion. Hypovolemia, characterized by decreased blood volume due to factors like dehydration or blood loss, clearly results in diminished perfusion as there is less blood available to circulate through the body. Obesity can affect perfusion indirectly by impacting cardiovascular health, leading to conditions that can impair blood flow over time.

Hypertension, on the other hand, is a condition where elevated blood pressure can actually enhance perfusion to tissues, assuming the vascular system is functioning normally. It's a state of increased vascular resistance, which can lead to better blood flow in certain areas, contrary to the effects seen in the other conditions listed. Thus, it is accurate to identify hypertension as a condition unrelated to decreased perfusion.