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A & P Week 9

Ch. 23, 24, 25, & 26

QuestionAnswer
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: cmblaska
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