Which of the following does NOT occur in response to baroreceptors detecting an increase in mean arterial pressure?
A) vasoconstriction
B) decreased frequency of sinoatrial node action potentials
C) decreased heart rate
D) decreased end-diastolic volume
E) decreased venous compliance
Ans: A) vasoconstriction
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The decrease or loss of virulence of a pathogen is referred to as
A) aging. B) attenuation. C) disinfectivity. D) lethal dose.
A mutualism in which the survival of one or both participants is dependent on the other is ____
Fill in the blank with the appropriate word.
Crocodiles are living representatives of which of the following lineages?
a. anapsids b. archosaurs c. lepidosaurs d. synapsids e. dinosaurs
Which is false regarding the GGC gene?
a. It is present in humans, mollusks, and insects. b. It codes for an enzyme that regulates pattern formation in cone shells. c. It is more than 500 million years old. d. Today the enzyme product of the gene has different functions in different lineages. e. None of these are false