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Chamberlain University-Illinois
BIOS 252
BIOS252 Exam 3 - Chamberlain University
Questions and Answers 2026 Latest Update
How is the hypothalamus connected to the pituitary gland? Ans:
Infundibulum - the hollow stalk which connects the hypothalamus and the
posterior pituitary gland.
What do the ovaries secrete? Ans: Estrogen and progesterone
Chemoreceptors Ans: Respond to chemical stimuli (smell and taste)
Mechanioreceptors Ans: Respond to mechanical energy (touch, movement,
vibrations)
Nociceptors Ans: Pain receptors
Thermoreceptors Ans: Give the body the ability to detect heat and cold in
the environment
Exocrine definition Ans: Glands that secrete their products through ducts
opening onto an epithelium rather than directly into the bloodstream
Endocrine definition Ans: Glands that secrete their product directly into the
bloodstream
Cribiform plate Ans: superior surface of the ethmoid; perforated by a
foramina which allows passage of the olfactory nerves, which provide sense
of smell
Structures of the tongue Ans: •Filiform
•Fungiform
•Vallate
•Rudimentary foliate papillae
© 2026 All rights reserved
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•Underside or ventral
side of the tongue
shows many blood vessels close to the surface.
Structures of the eye Ans: conjunctiva- mucous membrane
sclera- thick outer coat, whites
cornea
pupil
iris
lens
retina
fovea centralis
optic disk
optic nerve
anterior chamber
posterior chamber
vitreous chamber
rods and cones
bipolar cells
ganglion cells (optic nerve)
Structures of the ear Ans: pinna
auditory canal
eardrum
ossicles (malleus, incus, stapes)
© 2026 All rights reserved
Chamberlain University-Illinois
BIOS 252
BIOS252 Exam 3 - Chamberlain University
Questions and Answers 2026 Latest Update
How is the hypothalamus connected to the pituitary gland? Ans:
Infundibulum - the hollow stalk which connects the hypothalamus and the
posterior pituitary gland.
What do the ovaries secrete? Ans: Estrogen and progesterone
Chemoreceptors Ans: Respond to chemical stimuli (smell and taste)
Mechanioreceptors Ans: Respond to mechanical energy (touch, movement,
vibrations)
Nociceptors Ans: Pain receptors
Thermoreceptors Ans: Give the body the ability to detect heat and cold in
the environment
Exocrine definition Ans: Glands that secrete their products through ducts
opening onto an epithelium rather than directly into the bloodstream
Endocrine definition Ans: Glands that secrete their product directly into the
bloodstream
Cribiform plate Ans: superior surface of the ethmoid; perforated by a
foramina which allows passage of the olfactory nerves, which provide sense
of smell
Structures of the tongue Ans: •Filiform
•Fungiform
•Vallate
•Rudimentary foliate papillae
© 2026 All rights reserved
, 2 | Page
•Underside or ventral
side of the tongue
shows many blood vessels close to the surface.
Structures of the eye Ans: conjunctiva- mucous membrane
sclera- thick outer coat, whites
cornea
pupil
iris
lens
retina
fovea centralis
optic disk
optic nerve
anterior chamber
posterior chamber
vitreous chamber
rods and cones
bipolar cells
ganglion cells (optic nerve)
Structures of the ear Ans: pinna
auditory canal
eardrum
ossicles (malleus, incus, stapes)
© 2026 All rights reserved
