How do the extrinsic eye muscles differ in action from the intrinsic eye muscles?

A) Extrinsic eye muscles move the eyeball in relation to the rest of the body, whereas intrinsic muscles move structures within the eyeball.
B) The extrinsic muscles cause faster movements than do the intrinsic muscles.
C) The two muscle groups do not differ in movement types, only in when the movements occur.
D) The extrinsic eye muscles cannot produce the smooth movements of the intrinsic eye muscles.
E) None of the answers are correct.


A) Extrinsic eye muscles move the eyeball in relation to the rest of the body, whereas intrinsic muscles move structures within the eyeball.

Anatomy & Physiology

You might also like to view...

What prevents oxygen-rich blood from mixing with oxygen-poor blood in the heart?

A. The interatrial and interventricular septa B. The fibrous pericardium C. The intercalated discs D. The aortic and pulmonary semilunar valves E. The tricuspid valve

Anatomy & Physiology

Incomplete fatty acid oxidation produces ________, which might lead to ________

A) triglycerides; new triglycerides B) glycerol; alkalosis C) acetyl-CoA; acidosis D) pyruvic acid; acidosis E) ketone bodies; acidosis

Anatomy & Physiology

Nearly all the somatosensory input to the cerebrum passes by way of synapses in which region of the brain?

A) Epithalamus B) Hypothalamus C) Cerebellum D) Thalamus E) Reticular formation

Anatomy & Physiology

The simple sugar glucose is an example of a

A. monosaccharide.?B. lipid.?C. polysaccharide.?D. polymer.?E. glycogen.

Anatomy & Physiology