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A & P Week 9
Ch. 23, 24, 25, & 26
| Question | Answer |
|---|---|
| Region of the adrenal cortex that secretes DHEA. | zona reticularis |
| Endolymph is made | in the stria vascularis. |
| Endolymph-filled structure containing receptors for hearing | cochlear duct |
| Transparent structure of the eye containing regularly aligned collagen fibers | cornea |
| 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. |
| The hypophyseal portal veins are primarily located in the | infundibulum. |
| Pancreatic cell type that produces insulin. | beta cells |
| 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. |
| Hormone that inhibits osteoclast activity in children. | calcitonin |
| Pyramid-shaped gland consisting of neural crest-derived cells and endocrine secretory cells. | adrenal gland |
| Endocrine gland of the thorax that is also important in immune function. | thymus gland |
| Gel-like structure embedded with the tips of cochlear hair cells. | tectorial membrane |
| Which of the following endocrine glands develops primarily from the endoderm of the pharynx? | thyroid and parathyroids |
| Which of the following areas has the highest concentration of cones? | the fovea centralis |
| Membrane attached to the stapes. | oval window |
| Largest purely endocrine gland in the body. | thyroid gland |
| The hormone produced by the heart | increases the excretion of sodium in the urine. |
| Gustatory cells are located in all of the following areas except | on the apical surface of vallate papillae on the tongue. |
| Fluid filling the posterior segment of the eye. | vitreous humor |
| Which endocrine gland stores enough of its hormone extracellularly to last several months? | the thyroid |
| Receptors for hearing are located in the | cochlear duct. |
| The basilar membrane supports the | spiral organ. |
| Which of the following minerals is essential for the formation of thyroid hormone? | iodine |
| Region of the hypophysis that contains secretory endocrine cells derived from the oral ectoderm. | adenohypophysis |
| Melanin-containing layer of the eye's vascular tunic. | choroid |
| Which of the following is not part of the flow of taste sensation along the gustatory pathway to the cerebral cortex? | hypothalamic appetite centers |
| Class of hormones secreted during chronic stress that depress immune function. | glucocorticoids |
| Bony labyrinth structure containing the utricle and saccule. | vestibule |
| The anatomical stalk of the pituitary is also known as | infundibulum |
| The two-point discrimination test can be used to measure: | the sensitivity of the skin in various parts of the body. |
| When you are looking at a large green field, which cones would be sending the green wavelength to the brain? | M |
| The type of cells that secrete ACTH are: | corticotrophs |
| One of the few hormones that functions on a positive-feedback loop is: | oxytocin |
| Which of the following is a function of glucagon? | Tends to increase blood glucose concentrations |
| Accommodation for near vision necessitates | an increase in the curvature of the lens. constriction of the pupils. convergence of the two eyes. |
| Which is not true of the hormone somatostatin? | It stimulates the secretion of insulin. |
| True / False aspirin produces some of its effects by increasing PGE synthesis | False |
| Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition. | tectorial |
| The last step in the nonsteroid hormone mechanism of action is: | protein kinases activate other enzymes. |
| Which of the following statements is not true of the pineal gland? | Melatonin is stimulated by the presence of sunlight. |
| The major hormone produced by the corpus luteum is: | progesterone. |
| The olfactory tract carries impulses associated with: | smell. |
| The somatic senses enable us to detect sensations, including | touch. temperature. pain. |
| Visceroceptors are located in which of the following? | Internal organs |
| Clearness or sharpness of visual perception is known as: | visual acuity |
| If you slammed your finger in a car door, it would stimulate _____ pain fibers. | acute |
| The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is: | malleus, incus, and stapes |
| When a small amount of one hormone allows a second hormone to have its full effect, the phenomenon is called: | permissiveness. |
| The clear and potassium-rich fluid that fills the labyrinth is | endolymph. |
| Dynamic equilibrium depends on the functioning of the | crista ampullaris. |
| The production of thyroid hormone is stimulated by another hormone from the: | anterior pituitary. |
| The receptors responsible for sensing crude and persistent touch are the: | Ruffini corpuscles. |
| Which of the following is not a characteristic of the endocrine system? | Chemical messenger travels a short distance. |
| All of the following are nonsteroid hormones | oxytocin. calcitonin. glucagon. |
| Which of the following is true about pain receptors? | Alpha fibers are associated with sharp, localized pain. |
| The immediate effect of a steroid hormone on a cell is the: | transcription of RNA. |
| In comparison with the nervous system, the regulatory effects of the endocrine system are: | slow to appear but long-lasting. |
| Which of the following is not true of a receptor potential? | It follows the all-or-none law. |
| Sensory impulses ending in what part of the CNS trigger imprecise or “crude” sensation awareness? | Thalamus |
Created by:
Brookekotter0322
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