Which of the following are pressure reservoirs with low resistance to flow?
a. arteries
b. arterioles
c. capillaries
d. venules
e. veins
A
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Mr. Johnson was becoming slightly deaf. To test his hearing, his doctor held a vibrating tuning fork tightly against Mr. Johnson's jaw. This sent vibrations through the bones of the skull, setting the fluid in the cochlea in motion. Mr. Johnson could hear the tuning fork this way, but not when it was held away from the skull a few inches from his ear. His hearing problem is most likely attributed to the
A. auditory cortex of Mr. Johnson's brain. B. auditory nerve leading to Mr. Johnson's brain. C. hair cells in the cochlea. D. tympanum or the bones of the middle ear. E. fluid of the cochlea.
Food intoxication usually has a shorter incubation period than food-borne infection.
Answer the following statement true (T) or false (F)
In relation to functional groups, what is an R-group?
a. An R-group is an abbreviation that denotes the addition of a phosphate to any functional group. b. An R-group is an abbreviation used to show any group to which the functional group is attached, usually at a carbon or hydrogen atom. c. An R-group indicates that the functional group was formed through dehydration synthesis. d. An R-group is an abbreviation for an acetyl group in inorganic chemistry.
Cactus leaves are modified as trichomes
Indicate whether the statement is true or false.