Visual pigments are derivatives of

A) vitamin A.
B) the vitreous body.
C) the aqueous humor.
D) vitamin K.
E) vitamin E.


A) vitamin A.

Anatomy & Physiology

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Describe the vessel wall characteristics of the five main types of blood vessels that blood travels through from the time it leaves the left ventricle until it returns to the right atrium

What will be an ideal response?

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The process of ________ produces gametes.

A. ovulation B. proliferation C. mitosis D. meiosis

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Which of the following ECG waves represents ventricular repolarization?

a. P wave b. QRS complex c. T wave d. PR segment e. Ventricular repolarization occurs simultaneously with atrial depolarization and consequently cannot be recorded.

Anatomy & Physiology

Aqueous humor is secreted by cells of the:

a. Canal of Schlemm b. Ciliary processes c. Iris d. Pigment epithelium e. Trabecular meshwork

Anatomy & Physiology