10 Questions
Which of the following statements accurately reflects the relationship between cerebral metabolic rate of oxygen consumption (CMRO2) and brain glucose consumption?
CMRO2 is normally 3 to 3.8 mL/100 g/min and brain glucose consumption is normally 5 mg/100 g/min
What is the normal cerebral blood flow (CBF) in mL/100 g/min?
50
What is the relationship between cerebral blood flow (CBF) and cerebrovascular resistance (CVR)?
CBF is equal to CVR
What is cerebral autoregulation of blood flow?
The ability of the brain to regulate its own blood flow
What is the lower limit of autoregulation (LLA)?
The lowest MAP at which cerebral autoregulation can occur
What percentage of total body oxygen consumption is the adult brain responsible for?
20%
What is the normal cerebral metabolic rate of oxygen consumption (CMRO2)?
3 to 3.8 mL/100 g/min
What is the relationship between cerebral blood flow (CBF) and cerebrovascular resistance (CVR)?
CVR = CPP / CBF
What is the cerebral autoregulation of blood flow thought to remain intact between?
MAP of 60 to 160 mmHg
What occurs when cerebral vessels are maximally vasoconstricted and there are increases in perfusion pressure?
Cerebral hemorrhage
Test your knowledge on the fascinating world of brain metabolism with this quiz! From cerebral metabolic rate of oxygen consumption to brain glucose consumption and cerebral blood flow, this quiz will challenge your understanding of how the brain utilizes energy. Sharpen your knowledge and gain a deeper appreciation for the incredible complexity of the human brain.
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