The five functional types of epithelia are listed below. Match each type with its location and/or description.
1. Found in the epidermis, esophagus, and mouth, these stacked layers of cells prevent exchange, while they resist chemicals, bacteria, and other destructive forces.
2. This tissue actively and selectively regulates the exchange of nongaseous material, such as ions and nutrients, and can be regulated in response to various stimuli.
3. These thin, flattened cells allow the rapid passage of O2 and CO2 through the cells of the lungs and of certain blood vessels.
4. These cells produce a substance and release it, either onto a surface or directly into the blood.
5. This tissue is composed of cells with membrane extensions that beat in a coordinated fashion to move fluid and particles across the tissue.
A. exchange
B. transport
C. ciliated
D. protective
E. secretory
1. D. protective
2. B. transport
3. A. exchange
4. E. secretory
5. C. ciliated
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The peripheral chemoreceptors that respond to oxygen levels of the blood and regulate heart activity are located in
A. the medulla oblongata. B. the right ventricle. C. the infundibulum of the hypothalamus. D. structures near the carotids and aortic arch. E. the left ventricle.
Carpal tunnel pressure is sometimes relieved by surgically excising part or all of which structure?
A. Flexor retinaculum B. Extensor aponeurosis C. Palmar aponeurosis D. Median nerve E. Extensor retinaculum
The largest fontanelle, located between the frontal and parietal bones of the newborn infant, is called the ________ fontanelle.
A. anterior B. posterior C. frontal D. sphenoidal
The __________ femoris has two heads and is an antagonist of the rectus femoris.
Fill in the blank(s) with the appropriate word(s).