This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Chemoreceptor reflex of blood pressure regulation is stimulated by all except 
Select and explain. 
A. Hypoxia, B. Acidosis, C. Decreased BP, D. Hypercapnia
C: Decreased BP
Answer: C: Decreased BP 
Explanation: Stimulus for chemoreceptor reflex ⇒

Hypoxia
Hypercapnia
Acidosis