What substance is administered during an asthmatic attack to decrease resistance by dilating the airways?
a. angiotensin
b. histamine
c. epinephrine
d. norepinephrine
Answer: c. epinephrine
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Why are epiphyseal plates considered temporary joints?
What will be an ideal response
The ____________________ are protective and nourishing membranes that lie between the central nervous system and its bony covering
Fill in the blank(s) with correct word
Which of the following factors of the internal environment is not homeostatically maintained?
a. its concentration of nutrient molecules. b. its concentration of nitrogen gas, of which 80% of the atmospheric air is composed. c. its concentration of oxygen and carbon dioxide. d. its pH. e. its temperature.
The lateral malleolus is found on the distal end of which of the following bones?
A) tibia B) femur C) fibula D) calcaneus