Answer the following statements true (T) or false (F)
1. If an individual requires supplemental oxygen, it is first bubbled through water to remove dust and pollen.
2. The pharynx can be considered part of both the respiratory and digestive systems.
3. The auditory tubes open into the oropharynx and help in the equalization of air pressure between the middle ear and external ear.
4. The auditory tubes allow infections in the nasopharynx to spread to the middle ear.
5. The tonsils are located in the larynx.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. FALSE
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Pinocytosis is the process in which the cell
A. internalizes ("drinks") a droplet of interstitial fluid. B. internalizes ("eats") a large solid particle. C. splits ("pinches") off a small part of itself to secrete into the extracellular space. D. pumps small solutes against their concentration gradient and out of the cell.
Usually the urine of someone with a high-protein diet does not contain any bicarbonate ions, as all of it that is filtered is reclaimed from the tubules
Indicate whether this statement is true or false.
Which statement is correct?
a. An XY combination of sex chromosomes is a genetic male. b. The secretion of testosterone by the fetal gonads induces the development of male external genitalia and reproductive tract. c. The secretion of estrogen by the fetal gonads induces the development of female external genitalia and reproductive tract. d. Both a and b e. All of the above
Hemophilia is ________.
A. results in excessive blood clots B. more prevalent in women C. an X-linked trait D. All of the choices are correct.