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G. Sweatfield
SCI220 week 9
| Question | Answer |
|---|---|
| Largest purely endocrine gland in the body. | Thyroid Gland |
| Transparent mucous membrane covering the inner surface of the eyelid. | Conjunctiva |
| The nerve carrying taste information from the anterior two-thirds of the tongue is the? | Facial |
| The hypophyseal portal veins are primarily located in the? | Infundibulum. |
| Which of the following endocrine glands develops primarily from the endoderm of the pharynx? | Thyroid and parathyroids |
| Gustatory cells are located in all of the following areas except? | On the apical surface of vallate papillae on the tongue. |
| Gustatory cells are located in what areas? | On the posterior wall of the pharynx. On the fungiform papillae of the anterior tongue. On the inner surface of the cheeks. |
| What are Gustatory cells? | The taste bud consists of supporting cells, basal cells, and gustatory (taste) receptor cells arranged in the shape of a glove with an opening, or taste pore, to the outside located at the top. |
| Membrane attached to the stapes? | Oval window |
| Endolymph is made? | In the stria vascularis. |
| What is Endolymph? | A clear fluid that can found in the membranous labyrinth of the inner ear. |
| Melanin-containing layer of the eye's vascular tunic. | Choroid |
| Which of the following areas has the highest concentration of cones? | The fovea centralis |
| The basilar membrane supports the? | Spiral organ. |
| Region of the adrenal cortex that secretes DHEA? | Zona reticularis |
| Hormone that inhibits osteoclast activity in children. | Calcitonin |
| The anatomical stalk of the pituitary is also known as? | Infundibulum. |
| What is the infundibulum of the pituitary gland? | The pituitary stalk, known as the infundibulum or infundibular stalk, is the connection between the hypothalamus and the pituitary gland, especially the posterior pituitary gland. |
| The hormone produced by the heart and its function? | ANP, atrial natruretic peptide, increase water and salt excretion, validations, increase vascular permability |
| Gel-like structure embedded with the tips of cochlear hair cells? | Tectorial membrane |
| What is the flow of taste sensation along the gustatory pathway to the cerebral cortex? | the three nerves in tongue, to Medulla oblongata, to thalamus, to gustatory cortex (in insula). |
| What three nerves carry taste signals to the brain stem? | The chorda tympani nerve (from the front of the tongue), the glossopharyngeal nerve (from the back of the tongue) and the vagus nerve (from the throat area and palate) |
| Which endocrine gland stores enough of its hormone extracellularly to last several months? | Thyroid |
| Endocrine gland of the thorax that is also important in immune function? | Thymus gland |
| Which of the following statements does not correctly describe the spiral organ of Corti? | The tectorial membrane bends with vibrations, whereas the basilar membrane is rigid and fixed. (Basilar Membrain is flexible). |
| Bony labyrinth structure containing the utricle and saccule? | Vestibule |
| Class of hormones secreted during chronic stress that depress immune function? | Glucocorticoids |
| Which of the following minerals is essential for the formation of thyroid hormone? | Iodine |
| Pancreatic cell type that produces insulin? | Beta cells |
| Endolymph-filled structure containing receptors for hearing? | Cochlear duct |
| Fluid filling the posterior segment of the eye? | vitreous humor |
| Pyramid-shaped gland consisting of neural crest-derived cells and endocrine secretory cells? | Adrenal gland |
| Transparent structure of the eye containing regularly aligned collagen fibers? | Cornea |
| Region of the hypophysis that contains secretory endocrine cells derived from the oral ectoderm? | adenohypophysis |
| Receptors for hearing are located in the? | Choclear Duct |
| Immune organ that also secretes hormones? | Thalamus |
| Brain commissure connecting left and right cerebral hemispheres. | Corpus callosum |
| Gland that secretes melatonin? | Pineal Gland |
| Three middle ear bones? | Hammer (malleus) — attached to the eardrum. Anvil (incus) — in the middle of the chain of bones. Stirrup (stapes) — attached to the membrane-covered opening that connects the middle ear with the inner ear (oval window) |
| What gland that secretes a hormone controlling basal metabolic rate? | Thyroid |
| What is the transparent portion of the fibrous layer where light enters the eyeball into the anterior chamber before passing through the pupil to the lens. | The Cornea |
| What is the boundary between the external and middle ear? | Tympanic Membrane |
| What gland that secretes corticosteroids. | Adrenal |
| "master gland" that secretes at least nine hormones? | Pituitary gland |
| Gland that regulates circadian rhythms? | Pineal Gland |
| The brain region that secretes releasing hormones and inhibiting hormone? | The hypothalamus |
| The structure in the ear that contains receptors for rotational acceleration? | Vestibular receptors |
| What organ secretes hormones controlling blood sugar levels? | The pancreas |
| What gland is also know as hypophysis? | Pituitary gland |
| What structure that is important in equalizing air pressure on both sides of the eardrum. | Eustachian tube |
| What is the main function of the Eustachian tubes? | Ventilation of the middle ear and maintenance of equalized air pressure on both sides of the tympanic membrane (eardrum). Closed at most times, the tube opens during swallowing. |
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gsweatfield
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