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Quiz General knowledge

Quiz Cardiology : Calcium Removal

Tommymoran

Tommymoran
12 played - 12 yrs ago

Prep for midterm

Hard
hard
11
QUESTIONS
medium
 
Question 1 / 11

Which of the following is responsible for the majority of calcium clearance from the cytoplasm of ventricular myocytes?

medium
 
Question 2 / 11

What is the primary function of the Ca uniporter in mitochondria in ventricular myocytes?

medium
 
Question 3 / 11

2 Cytoplasmic Ca ions cooperatively bind to the Sarcolemmal Ca ATPase to expose what residue for ATP binding?

hard
 
Question 4 / 11

Sarcolemmal Ca ATPase may interact with NOSynthases in caveolae to...

expert
 
Question 5 / 11

Under what circumstance(s) will the NCX exchange 4Na+ for a Ca instead 3Na ?

medium
 
Question 6 / 11

At Em below -50mV, the NCX will pump Na out of the sarcolemma and Ca in. What "mode" is the exchanger said to be in?

medium
 
Question 7 / 11

In heart failure, SERCA levels are typically...

hard
 
Question 8 / 11

One treatment for heart failure with reduced levels of SERCA is to...

hard
 
Question 9 / 11

What is the result of Phospholamban's interaction with SERCA?

medium
 
Question 10 / 11

How does mutant PLB interfere with the regulation of wild-type PLB?

hard
 
Question 11 / 11

How does phospholamdan contribute to CPVT?

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