There are two types of synapses, based on mode of communication. What are they?
A. Mechanical and electrical
B. Mechanical and chemical
C. Physical and chemical
D. Magnetic and physical
E. Chemical and electrical
Answer: E
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Which of the following would not be a possible cause of sickling of red blood cells in someone with sickle-cell anemia?
A) malaria B) vigorous exercise C) prolonged exposure to cold D) travel at high altitude
___________________ drugs are not used in medical facilities due to high addictive potential
Fill in the blank(s) with correct word
What is produced when two diiodotyrosine molecules couple together?
A. Thyroxine B. Triiodothyronine C. Tetraiodothyronine D. Both tetraiodothyronine and thyroxine are correct.
Hyperventilation causes the loss of large amounts of carbon dioxide from the body, decreasing the amount of hydrogen ions in solution. As a result,
A. the pH of body fluids will rise. B. the pH of body fluids will fall. C. the pH of body fluids will become neutral. D. the pH of body fluids will not be affected. E. None of these choices is correct.