What segment of the nephron reabsorbs water but not salt?

What hormone is directly responsible for the reabsorption of water in the collecting duct?

What scenario would involve subsequent sympathetic nervous system activation?

A 49-year-old female patient was prescribed losartan to manage her hypertension. What molecular mechanism most likely contributes to the beneficial effect of this drug in the treatment of hypertension?

A 53-year-old male patient started medication to treat hypertension a month ago. He recently started complaining of a dry cough. What antihypertensive drug is most likely responsible for the patient's cough?

What type of antihypertensive drug is least likely to cause reflex tachycardia?

What activates or is activated by the renin-angiotensin-aldosterone system (RAAS)?

A 55-year-old male patient was prescribed a class Ill antiarrhythmic drug. What molecular mechanism is most likely responsible for the antiarrhythmic properties of this drug?

What drug exerts its antiarrhythmic effects primarily in pacemaker cells rather than cardiomyocytes?

In addition to their primary mechanism, What Other molecular mechanism is Common to Class la antiarrhythmic drugs?

A 45-year-old male patient was prescribed a class II anthiarrhythmic drug to manage his concurrent hypertension and cardiac arrhythmia. What effect will this drug have on his pacemaker actionpotentials?

What type of mechanism responsible for cardiac arrhythmias involves action potentials traveling in the wrong direction?

A 63-year-old male patient was prescribed a beta blocker to help manage heart failure. What mechanism of action makes beta blockers useful in the treatment of this condition?

What is happening to ion diffusion across cardiomyocytes during the plateau phase of an action potential?

A 59-year-old male patient with persistent atrial fibrillation and chronic heart failure was prescribed digoxin. What mechanism of digoxin that is useful for the treatment of his arrhythmia is also responsible for adverse effects such as vomiting, diarrhea and blurry vision?