Histamine's primary role in the respiratory system is as a

A) surfactant.
B) vasodilator.
C) bronchoconstrictor.
D) vasoconstrictor.
E) bronchodilator.


C) bronchoconstrictor.

Anatomy & Physiology

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The key difference between fetal hemoglobin and adult hemoglobin is that fetal hemoglobin has a lower affinity for oxygen, because the levels of oxygen in placental blood is 2 to 3 times higher than other systemic arteries

Indicate whether the statement is true or false.

Anatomy & Physiology

Name the type of membrane channel that randomly opens and closes and is found in dendrites, cell bodies, and axons of all types of neurons

a) leakage channel b) ligand-gated channel c) mechanically gated channel d) voltage-gated channel e) pressure-sensitive channel

Anatomy & Physiology

____________________ refers to the synthesis of larger organic molecules from smaller organic molecules

Fill in the blank(s) with correct word

Anatomy & Physiology

Define benign

What will be an ideal response?

Anatomy & Physiology