The ciliary muscle contracts to

-control the production of aqueous humor.
-adjust the shape of the cornea and vitreous.
-control the amount of light reaching the retina.
-adjust the shape of the lens for distant vision.
-adjust the shape of the lens for near vision.


adjust the shape of the lens for near vision

Anatomy & Physiology

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The reflex that prevents a muscle from exerting too much tension is the ________ reflex

A) stretch B) tendon C) flexor D) crossed extensor E) reciprocal

Anatomy & Physiology

The systolic blood pressure is the greatest systemic arterial blood pressure during ________.

A. ventricular contraction B. atrial contraction C. ventricular relaxation D. atrial relaxation

Anatomy & Physiology

Dendrites on unipolar neurons are parts of

A) interneurons. B) motor neurons. C) sensory neurons. D) efferent neurons.

Anatomy & Physiology

Muscles needed for endurance require ________ than do less demanding muscles.

A. more nerves B. a richer blood supply C. less mass D. more heat

Anatomy & Physiology