The middle ear communicates with the nasopharynx through the
A) auricle.
B) membranous labyrinth.
C) bony labyrinth.
D) pharyngotympanic tube
E) auditory meatus.
Answer: D
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A. hypothalamic cells to secrete GnRH. B. interstitial cells to secrete testosterone. C. anterior pituitary cells to secrete FSH. D. sustentacular cells to secrete testosterone. E. spermatogenic cells to secrete ABP.
What is the primary source for the bulk of the lipase used in the gastrointestinal tract?
A) Liver B) Pancreas C) Stomach D) Gallbladder
Match the structure associated with hearing with the appropriate description.A. Organ of hearingB. Passageway from the outside to the eardrumC. Interconnecting tunnels in the temporal boneD. Tiny bones in the middle earE. Connecting chambers of inner ear filled with endolymphOrgan of Corti
Fill in the blank(s) with the appropriate word(s).
Which of the following is not one of the three criteria used to describe receptors?
A. Stimulus strength (intensity of stimulus) B. Stimulus origin (location of stimulus) C. Receptor distribution (body location) D. Modality of stimulus (stimulating agent)