Match the description with the most appropriate ear structure.A. Structures that produce earwaxB. Fluid in the membranous labyrinthC. Fluid between the membranous and bony labyrinthD. Ossicles connect this structure to eardrumE. Connects the middle ear to the pharynxPerilymph
Fill in the blank(s) with the appropriate word(s).
Answer: C
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A drug that blocks the action of the hormone cholecystokinin would affect
A) the amount of bile produced by the liver. B) the level of intestinal gastrin. C) the composition of pancreatic secretions. D) secretions of the duodenal glands. E) All of the answers are correct.
The kidneys
A) transport urine, as well as semen, in males. B) are covered by a layer of muscularis mucosa. C) conduct urine to the exterior. D) produce urine. E) temporarily store urine prior to elimination.
The plasma membrane
a. is composed primarily of phospholipids and proteins arranged in a fluid mosaic structure. b. has a trilaminar appearance under an electron microscope. c. acts as a mechanical barrier. d. all of these answers. e. none of these answers.
Which type of leukocyte kills parasitic worms by deluging them with digestive enzymes?
A) neutrophil B) monocyte C) lymphocyte D) basophil E) eosinophil