Question

you fall and cut your leg. as you bleed, pressure begins to drop. which of the following would not be secreted to help increase pressure?
a antidiuretic hormone
b histamine
c renin
d erythropoietin

Explanation:

• Antidiuretic Hormone (ADH) increases blood pressure by reducing urine output and retaining water.
• Renin is part of the renin - angiotensin - aldosterone system which raises blood pressure.
• Erythropoietin stimulates red blood cell production, which can help maintain blood volume and pressure over time.
• Histamine is involved in allergic reactions and inflammation, and it causes vasodilation which would decrease blood pressure, not increase it. So histamine is not secreted to increase pressure in this situation.

Answer:

B. Histamine