Figure 37.2 Figure 37.2 Shows Many Channels in a Cell Membrane. the Membrane

question 14

Multiple Choice

Figure 37.2
Figure 37.2 shows many channels in a cell membrane. The channel third from the left is a voltage-gated sodium channel. What would happen if this channel became blocked and thus unable to function?

• A) The cell's membrane potential would not change.
• B) The cell would hyperpolarize.
• C) The cell would depolarize.
• D) There is not enough information to make a conclusion.

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Definitions:

Cranial Vault

Eight skull bones that surround and protect the brain; braincase.

Posterior Intercostal

Refers to the blood vessels and nerves running along the bottom of the ribs at the back of the thorax, involved in supplying the intercostal spaces.

Common Iliac Artery

A large artery that divides into the internal and external iliac arteries, supplying blood to the pelvis and lower limbs.

Bifurcation

Bifurcation refers to the process or point at which a structure divides into two branches or parts, often used in reference to blood vessels or branching patterns in biology.