A sudden flash of bright light would cause

A) sympathetic activation to contract the pupillary constrictor muscles.
B) sympathetic activation to contract the pupillary dilator muscles.
C) contraction of the ciliary muscle.
D) parasympathetic activation to contract the pupillary constrictor muscles.
E) parasympathetic activation to contract the pupillary dilator muscles.


D) parasympathetic activation to contract the pupillary constrictor muscles.

Anatomy & Physiology

You might also like to view...

Diffusion directly depends on the ____________

a. partial pressure gradient b. solubility of the gas in water c. distance d. two of these e. all of these

Anatomy & Physiology

Use the following key to determine the best answer.A. First item is greater than the second item.B. First item is less than the second item.C. First item is equal or nearly equal to the second item.(1) Alveolar pressure during inspiration(2) Alveolar pressure during expiration

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Macrophages are the converted monocytes that phagocytize bacteria, cell fragments, dead cells, and debris.

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

Anatomy & Physiology

Identify the following

Anatomy & Physiology