Voltage-gated Na+ channels are sensitive to changes in the extracellular concentration of ________.

A. Cl?
B. Ca2+
C. Na+
D. K+
E. proteins


Answer: B

Anatomy & Physiology

You might also like to view...

The Golgi apparatus has powerful enzymes that can eat cellular debris.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Mr. Miller has been hospitalized for the flu. The flu virus increases membrane permeability to K+. You would expect his cells to ________.

A. depolarize B. isopolarize C. repolarize D. hypopolarize E. hyperpolarize

Anatomy & Physiology

To stop bleeding, a broken ____________ feather needs to be completely removed

Fill in the blank(s) with correct word

Anatomy & Physiology

What lymphatic disorder is characterized by a hypersensitivity to a foreign antigen?

A. Allergies B. HIV/AIDS C. Elephantiasis D. Lymphadenitis

Anatomy & Physiology