How is otitis media related to the respiratory system?
A. The paranasal sinuses are connected to the nasal cavities.
B. The nasal cavities are connected to the pharynx.
C. The middle ear is connected to the pharynx by the auditory tube.
D. The Eustachian tube connects the inner ear to the nasal cavity.
E. A virus can travel into the external auditory canal.
Answer: C
You might also like to view...
Which of the following statements about the response of arteriolar smooth muscle to changing oxygen partial pressures is TRUE?
A. Systemic arterioles respond to a decrease in PO2 by constricting, but pulmonary arterioles dilate in response to decreased PO2. B. Both systemic and pulmonary arterioles respond to a decrease in PO2 by dilating. C. Both systemic and pulmonary arterioles respond to a decrease in PO2 by constricting. D. Changes in PO2 do not affect arteriolar smooth muscle in the pulmonary system. E. Systemic arterioles respond to a decrease in PO2 by dilating, but pulmonary arterioles constrict in response to decreased PO2.
An embryonic cell that has the potential to develop into a wide range of tissues is called a/an ________ cell.
A. differentiated B. totipotent C. omnipotent D. pluripotent E. multipotent
First messengers may bind to a membrane receptor that is an ion channel, which promotes a change in membrane polarity
Indicate whether the statement is true or false.
A dentist identified the source of the college student's pain while chewing food or gum. Which cranial nerve was inflamed?
A) Trigeminal nerve B) Facial C) Vagus D) Olfactory