36) Myocardial oxygen consumption increases as which of the following parameters increase?
Preload, afterload, and cerebral blood flow
Preload, afterload, and renal blood flow
Preload, afterload, contractility, and heart rate.
Preload, afterload, cerebral blood flow, and heart rate
3. Heart failure is precipitated or exacerbated by physical or emotional stress, dysrhythmias, infections, anemia, thyroid disorders, pregnancy, Paget's disease, nutritional deficiencies (thiamine, alcoholism), pulmonary disease, and hypervolemia.