Adrenaline

Activation of $\\alpha_2$ receptors by adrenaline primarily results in which downstream intracellular effect? *

Adrenaline is used as an adjunct in local anesthetic solutions (like lidocaine) primarily because it: *

When treating a patient with a known pheochromocytoma who is undergoing surgery, the use of a non-selective beta-blocker (like propranolol) *before* appropriate alpha-blockade is administered can lead to a hypertensive crisis because: *

In the treatment of anaphylaxis, adrenaline is the drug of choice primarily due to its ability to rapidly reverse which two major life-threatening effects? *

Which of the following effects is predominantly mediated by $\\beta_1$ adrenergic receptor stimulation by adrenaline? *

Which adrenergic receptor subtype is primarily responsible for causing relaxation of bronchial smooth muscle (bronchodilation) when stimulated by adrenaline? *

In the context of cardiac resuscitation (e.g., asystole or ventricular fibrillation refractory to defibrillation), what is the primary goal of administering high-dose intravenous adrenaline? *

Which of the following conditions would be an absolute contraindication for the therapeutic use of adrenaline (epinephrine)? *

Adrenaline primarily exerts its effects by stimulating which class of receptors? *

Which statement accurately describes the effect of adrenaline on blood pressure? *

Adrenaline crosses the blood-brain barrier (BBB) readily, leading to central nervous system stimulation. *

Adrenaline has a limited duration of action when administered subcutaneously because it is rapidly metabolized by which two main enzymes? *

A major side effect of high-dose intravenous adrenaline administration, often seen due to $\\alpha_1$ stimulation, is: *