Question

. Draw a cardiac action potential and indicate on the graph the channels and ions responsible...

. Draw a cardiac action potential and indicate on the graph the channels and ions responsible for each phase of the cardiac action potential and whether these ions are moving into (influx) cardiac contractile cells or out (efflux) of cardiac contractile cells.

Homework Answers

Answer #1

ACTION POTENTIAL OF CONTRACTILE MYOCARDIUM

.

'

;

ACTION POTENTIAL IN SA NODE

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
a) Draw an action potential for a cardiac autorhythmic cell with hypercalcemia. b) Draw an action...
a) Draw an action potential for a cardiac autorhythmic cell with hypercalcemia. b) Draw an action potential for a myocardial contractile cell with a 20% reduction in Na+/k+ ATPase activity. c) Draw how this cycle would change if you administered a positive isotopic agent, would this cycle change if you administered a positive chronotropic agent?
The “Plateau Phase” during the cardiac action potential is caused by: A. opening of Na+ channels...
The “Plateau Phase” during the cardiac action potential is caused by: A. opening of Na+ channels B. opening of K+ channels C. opening of Ca+2 channels D. opening of Cl- channels E. closing of K+ channels
-The long plateau phase of the cardiac muscle action potential is due to increased membrane permeability...
-The long plateau phase of the cardiac muscle action potential is due to increased membrane permeability to potassium ion. increased membrane permeability to sodium ions. movement of fewer sodium ions across the cell membrane. decrease in the amount of calcium diffusing across the membrane. calcium channels remaining open.
make an action potential graph showing the 4 steps of an action potential AND what is...
make an action potential graph showing the 4 steps of an action potential AND what is happening to the sodium voltage-gated channels and voltage-gated potassium channels at each step
TRUE OR FALSE 1.The sympathetic nervous system increases blood pressure in the short term by increasing...
TRUE OR FALSE 1.The sympathetic nervous system increases blood pressure in the short term by increasing cardiac______output¬¬¬¬¬____and___bloodpressure. 2. The rapid depolarization phase of the contractile cell action potential is due to the opening of voltage-gated potassium ion channels. 3. The buffy coat is the fraction of an anticoagulated blood sample that contains most of the leukocytes and thrombocytes. 4. Erythrocytes are biconcave discs with prominent nuclei. The main function of erythrocytes is to transport O2 on the molecule hemoglobin. 5....
During the repolarization phase of an Action Potential: A. the K+ channels close B. the inside...
During the repolarization phase of an Action Potential: A. the K+ channels close B. the inside of the cell becomes less negative C. voltage-sensitive Na+ channels open D. the membrane potential goes from -70 mV to +30 mV E. K+ rush out of the cell
Draw what an action potential would look like if you inhibited the voltage-gated K+ channels.
Draw what an action potential would look like if you inhibited the voltage-gated K+ channels.
can someone please draw a detailed action potential diagram indicating phases and which channels open and...
can someone please draw a detailed action potential diagram indicating phases and which channels open and close
TRUE OR FALSE The ventricular ejection phase generally correlates with the S-T segment and the T...
TRUE OR FALSE The ventricular ejection phase generally correlates with the S-T segment and the T wave on the ECG. Lymphatic vessels constitute a one-way system that delivers fluid form the blood vessels to the extracellular space Systole is the contraction portion of the cardiac cycle and diastole is the relaxation portion. There are typically four pulmonary veins, two draining each lung. They all connect to right atrium. The sympathetic nervous system increases blood pressure in the short term by...
Standing Waves 1. Draw a sine wave. On this graph, indicate what the Amplitude and Period...
Standing Waves 1. Draw a sine wave. On this graph, indicate what the Amplitude and Period are. If someone just gave you this graph, how could you find the Frequency? 2. Imagine that two water waves moving in opposite directions run into each other. What will the resulting wave look like? 3. When 2 waves interfere, can the resulting wave have a larger amplitude than either of the two original waves? When? 4. What is the definition of a node?...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT