________ crush and grind food
A) Bicuspids
B) Incisors
C) Molars
D) Cuspids
E) Both bicuspids and molars
Answer: E
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When the carbonic acid-sodium bicarbonate buffer pair buffer a base:
a. water is produced b. hydrogen ions are added to the solution c. more carbonic acid is produced d. both B and C above
What are the two tubes that lead from the pharynx?
a. larynx and bronchus b. trachea and larynx c. trachea and esophagus d. nasal tube and esophagus e. bronchus and bronchiole
In pardoxical sleep an individual is easily aroused froma deep sleep, although the EEG pattern that is observed is consistent with that of an individual in NREM sleep
Indicate whether the statement is true or false.
When light is absorbed by a rod photoreceptor it causes the cell to
A. close ion channels and release more neurotransmitter. B. open ion channels and release more neurotransmitter. C. close ion channels and stop releasing neurotransmitter. D. open ion channels and stop releasing neurotransmitter.