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Light passes through the following structures in which order
cornea, aqueous humor, lens, vitreous humor
Which statement about malnutrition-induced night blindness is most accurate?
Vitamin supplements will reverse degenerative changes.
Which of the following is not a characteristic of olfactory receptor cells
They are unipolar neurons
There are three layers of neurons in the retina. The axons of which of these neuron layers form the optic nerves?
Insulin, a small (51-amino-acid) protein, is synthesized by the beta cells of the pancreas. This hormone is released ________.
when the body's glucose level rises
Which of the following is true about calcium homeostasis
Parathyroid hormone is the single most important regulator of calcium levels in the blood
Several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. The mechanism of transportation from hypothalamus to anterior pituitary gland is through the
hypophyseal portal system
The neurohypophysis or posterior lobe of the pituitary gland is not a true endocrine gland because
it is only a hormone storage area that receives hormones from the hypothalamus for release
The parathyroid glands maintain adequate levels of blood calcium. This is accomplished through _
targeting the bone and activating osteoclasts so that calcium will be released
The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on ________.
the presence of the appropriate receptors on the cells of the target tissue or organ
Which of the following is true about light and vision
Light is a form of electromagnetic radiation that slows down as it enters a medium of relatively less density.
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