alleryAdrenal medullary hormones can
AConvert myocardium into smooth muscle
BDecrease heart rate and stroke volume
CIncrease cardiac output and heart rate
DStop the SAN action potential firing
Answer & Solution
Correct answer: C. Increase cardiac output and heart rate
Adrenaline and noradrenaline from the adrenal medulla raise heart rate and stroke volume, increasing cardiac output.
Sympathetic ANS works in parallel
parasympathetic ANS does the opposite.
Keep practising Unit 8R: Environmental Pollution & Organismal Health
Browse all Unit 8R: Environmental Pollution & Organismal Health questions for AP Biology, or explore more Biology topics.
Related questions
HIV primarily infectsCervical cancer is most commonly caused byVaccination provides protection against future infection mainly byAntibodies are produced byThe spread of cancer cells from the original site to distant organs is calledAntibodies passed from a mother to her infant through breast milk give the infantInsects breathe throughWhich structure belongs to the conducting (not respiratory) zone?