The oval window is connected directly to which passageway?
A) pharyngotympanic tube
B) scala vestibuli
C) external acoustic meatus
D) scala tympani
B
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Communication between cells occurs when chemical messengers from one cell bind to ________ on another cell.
A. second messengers B. channel proteins C. integrins D. receptor proteins E. marker molecules
Which of the following lists contains only trace elements?
A) sulfur, chlorine, oxygen B) selenium, hydrogen, calcium C) boron, oxygen, carbon D) silicon, fluorine, E) cobalt, calcium, sodium
When an immature cell commits itself to following a particular path of development, the process is called
A. differentiation. B. cytogenesis. C. apoptosis. D. mitosis. E. fatalism.
Gross anatomy is also known as ________.
A. microscopic anatomy B. pathologic anatomy C. macroscopic anatomy D. diagnostic anatomy