Podcast
Questions and Answers
Which ions are allowed to move across the channel when an agonist binds to Nicotinic AChRs?
Which ions are allowed to move across the channel when an agonist binds to Nicotinic AChRs?
- Calcium and magnesium
- Sodium and potassium (correct)
- Phosphate and sulfate
- Chloride and bicarbonate
Which type of ion channels are nicotinic acetylcholine receptors (nAChRs)?
Which type of ion channels are nicotinic acetylcholine receptors (nAChRs)?
- Leakage ion channels
- Voltage-gated ion channels
- Mechanically gated ion channels
- Ligand-gated ion channels (correct)
What is the effect of nicotine on nicotinic acetylcholine receptors (nAChRs)?
What is the effect of nicotine on nicotinic acetylcholine receptors (nAChRs)?
- Inhibition
- Neutralization
- Stimulation (correct)
- Amplification
What substance blocks nicotinic acetylcholine receptors (nAChRs) at the neuromuscular junction?
What substance blocks nicotinic acetylcholine receptors (nAChRs) at the neuromuscular junction?
What is the main function of nicotinic acetylcholine receptors (nAChRs) at the neuromuscular junction?
What is the main function of nicotinic acetylcholine receptors (nAChRs) at the neuromuscular junction?
Which of the following tissues does NOT contain nicotinic acetylcholine receptors (nAChRs)?
Which of the following tissues does NOT contain nicotinic acetylcholine receptors (nAChRs)?
What is the mechanism of action of atracurium at the neuromuscular junction?
What is the mechanism of action of atracurium at the neuromuscular junction?
What is the role of acetylcholine at the neuromuscular junction?
What is the role of acetylcholine at the neuromuscular junction?
What does the procedure involving injecting atracurium aim to achieve?
What does the procedure involving injecting atracurium aim to achieve?
What is the purpose of stimulating the sciatic nerve after injecting atracurium?
What is the purpose of stimulating the sciatic nerve after injecting atracurium?
Why is double pithing performed on the frog animal for this experiment?
Why is double pithing performed on the frog animal for this experiment?
What is the purpose of tightening the upper part of the thigh for one leg?
What is the purpose of tightening the upper part of the thigh for one leg?