As a result of a sudden increase in the blood pressure, the baroreceptors signal a(n) ___ in sympathetic outflow, which results in a(n) ___ in peripheral resistance and return of blood pressure to normal.
a. increase, decrease
b. decrease, increase
c. increase, increase
d. decrease, decrease
Answer: d. decrease, decrease
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Which kind of white blood cells secretes chemicals that destroy parasitic worms?
a. basophil b. eosinophil c. lymphocyte d. monocyte e. neutrophil
When a muscle is stimulated repeatedly for several seconds with a constant stimulus, the amount of tension gradually increases to a maximum. This phenomenon is called
A) Incomplete tetanus. B) Complete tetanus. C) A twitch. D) Wave summation. E) Recruitment
Define organ
A) An organ is the smallest living units in the body. B) An organ is the highest level of organization. C) An organ is composed of similar cells working together to perform one or more specific functions. D) An organ is the smallest stable unit of matter and can form molecules. E) An organ is two or more tissues working to perform several functions.
The muscle that has brevis in its name is ________
A) wide B) white C) slender D) short