Which of your fingers is innervated by 3 different nerves from the brahcial plexus?
a. first
b. second
c. third
d. fourth
e. fifth
Answer: d. fourth
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The three types of protein fibers in connective tissue are
A) tendons, ligaments, and elastic ligaments. B) loose, dense, and irregular. C) cartilage, bone, and collagen. D) collagen, reticular, and elastic. E) polar, cellular, and permeable.
In emphysema, the lungs become overdistended with trapped air. Effective abdominal breathing is decreased. Describe the muscles involved when breathing becomes an active process, such as a patient who has emphysema.
What will be an ideal response?
Which of the following is the best explanation for our perception of color?
A) Rods contain a single kind of visual pigment. B) Cones come in three types, each sensitive to different wavelengths of light. C) The foveae are densely packed with cones. D) As many as 100 cones may converge on one ganglion cell.
Obligatory diet-induced thermogenesis activity
a. results from an increase in metabolic activity associated with processes occurring in the gut. b. is the increase in heat production that occurs after a meal c. has historically been studied in endotherms. d. is affected by the amount of food an animal consumes. e. all of these.