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BIOS252 Exam 3 - Chamberlain University Questions and Complete Solutions Graded A+, Exams of Biology

Grand Canyon University (GCU)Biology

BIOS252 Exam 3 - Chamberlain University Questions and Complete Solutions Graded A+

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2024/2025

Available from 04/09/2025

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BIOS252 Exam 3 - Chamberlain
University Questions and Complete
Solutions Graded A+
How is the hypothalamus connected to the pituitary gland? - Answer: Infundibulum - the hollow stalk
which connects the hypothalamus and the posterior pituitary gland.
What do the ovaries secrete? - Answer: Estrogen and progesterone
Chemoreceptors - Answer: Respond to chemical stimuli (smell and taste)
Mechanioreceptors - Answer: Respond to mechanical energy (touch, movement, vibrations)
Nociceptors - Answer: Pain receptors
Thermoreceptors - Answer: Give the body the ability to detect heat and cold in the environment
Hormone: LH (luteinizing hormone) - Answer:
Exocrine definition - Answer: Glands that secrete their products through ducts opening onto an
epithelium rather than directly into the bloodstream
Endocrine definition - Answer: Glands that secrete their product directly into the bloodstream
Cribiform plate - Answer: 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 - Answer: •Filiform
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BIOS252 Exam 3 - Chamberlain

University Questions and Complete

Solutions Graded A+

How is the hypothalamus connected to the pituitary gland? - Answer: Infundibulum - the hollow stalk which connects the hypothalamus and the posterior pituitary gland. What do the ovaries secrete? - Answer: Estrogen and progesterone Chemoreceptors - Answer: Respond to chemical stimuli (smell and taste) Mechanioreceptors - Answer: Respond to mechanical energy (touch, movement, vibrations) Nociceptors - Answer: Pain receptors Thermoreceptors - Answer: Give the body the ability to detect heat and cold in the environment Hormone: LH (luteinizing hormone) - Answer: Exocrine definition - Answer: Glands that secrete their products through ducts opening onto an epithelium rather than directly into the bloodstream Endocrine definition - Answer: Glands that secrete their product directly into the bloodstream Cribiform plate - Answer: 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 - Answer: •Filiform

•Fungiform •Vallate •Rudimentary foliate papillae •Underside or ventral side of the tongue shows many blood vessels close to the surface. Structures of the eye - Answer: conjunctiva- mucous membrane sclera- thick outer coat, whites cornea pupil iris lens retina fovea centralis optic disk optic nerve anterior chamber posterior chamber

Infundibulum - Answer: connects hypothalamus to pituitary gland Paracrine - Answer: signals diffuse to and affect nearby cells autocrine - Answer: a chemical signal that binds to and affects the cell that makes it exocrine - Answer: secreting externally endocrine - Answer: secreting internally A sensory receptor that receives stimuli within the body - responds to position and movement - Answer: proprioceptors what are the 5 primary tastes? - Answer: sweet, salty, unami, bitter, sour what are the three divisions of the ANS - Answer: sympathetic, parasympathetic, enteric hormone that acts on neighboring cells WITHOUT entering the bloodstream - Answer: paracrine clear liquid that is produced by the choroid plexus - Answer: CSF - cerebrospinalfluid Two hormones that regulate calcium homeostasis - Answer: PTH and calcitonin 3 parts of the brainstem - Answer: medulla, midbrain, pons What two hormones are produced by the posterior pituitary gland? - Answer: Oxycotin and ADH How does the lens of the eye focus on an image on the retina? - Answer: By changing the shape by muscles pulling on it

What neurotransmitters are produced by the post-ganglion fibers of the sympathetic nervous system? - Answer: Epinephrine and norepinephrine Major functions of the hypothalamus - Answer: regulates ANS endocrine system behavior patterns hunger and thirst What hormone does the Anterior pituitary gland produce? - Answer: FSH What hormone does the adrenal cortex produce? - Answer: cortisol What structure does the infundibulum contain? - Answer: Hypophseal Where does the optic nerve connect to the eye? - Answer: Optic disc (blind spot) - no photoreceptor's What hormone causes the breakdown of glycogen into glucose? - Answer: Glucagon Where is the auditory area located? - Answer: Temporal lobe Receptor cells for hearing are located in the _____. - Answer: Cochlea What secretes T3 and T4? what do the numbers represent? - Answer: Thyroid // iodine What is the name of the inner most eye? What is found there? - Answer: Retina // Rods and cones the 4 cranial nerves that control the parasympathetic division of the ANS - Answer: 3,7,9, ( occulomotor, facial, vagus, glossopharyngeal)