Bio 161 Exam 3 Review Questions and Answers
with Complete Solutions 100% Correct | New
Update 2025-2026
Lacrimal glands are classified as ______________ glands. - ANSWERS exocrine
The tough, protective sclera consists of a high concentration of collagen fibers
arranged in random order. This layer is best described as ______________. -
ANSWERS dense irregular connective tissue
The choroid tissue contains melanocytes (see image), giving it a dark color. What
is a function of this layer based on this characteristic? - ANSWERS Absorbs
extra light as it enters the eye
The choroid tissue also contains blood vessels (see arrows in image. What is a
function of this layer based on this characteristic? - ANSWERS Provide
nutrients to surrounding tissue
Glaucoma results in blindness due to damage to the ganglionic cells of the retina
and optic nerve. Although several factors contribute to this condition, one
observed problem is that the canal that allows aqueous humor to drain into veins
is blocked. If the ciliary body continues to produce aqueous humor, the pressure
inside the eyeball __________. - ANSWERS Increases
The iris contains two smooth muscles: a circular sphincter connected to a second
muscle (dilator). Exposure to a bright light will cause which of the muscles to
with Complete Solutions 100% Correct | New
Update 2025-2026
Lacrimal glands are classified as ______________ glands. - ANSWERS exocrine
The tough, protective sclera consists of a high concentration of collagen fibers
arranged in random order. This layer is best described as ______________. -
ANSWERS dense irregular connective tissue
The choroid tissue contains melanocytes (see image), giving it a dark color. What
is a function of this layer based on this characteristic? - ANSWERS Absorbs
extra light as it enters the eye
The choroid tissue also contains blood vessels (see arrows in image. What is a
function of this layer based on this characteristic? - ANSWERS Provide
nutrients to surrounding tissue
Glaucoma results in blindness due to damage to the ganglionic cells of the retina
and optic nerve. Although several factors contribute to this condition, one
observed problem is that the canal that allows aqueous humor to drain into veins
is blocked. If the ciliary body continues to produce aqueous humor, the pressure
inside the eyeball __________. - ANSWERS Increases
The iris contains two smooth muscles: a circular sphincter connected to a second
muscle (dilator). Exposure to a bright light will cause which of the muscles to
