Pharmacology of Blood Pressure Regulation
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Questions and Answers

What is the primary effect of α1 agonists on blood pressure?

  • Decrease (correct)
  • Increase
  • Variable response
  • No change

Which of the following symptoms is NOT associated with orthostatic hypotension?

  • Blurry vision
  • Fainting (syncope)
  • Lightheaded or dizzy
  • Nausea and vomiting (correct)

What is the primary reason for using sympathomimetic drugs in shock management?

  • To increase urine production
  • To maintain initial blood pressure (correct)
  • To manage metabolic acidosis
  • To correct volume deficiencies

What is the effect of α2 agonists on noradrenergic activity?

<p>Decrease (C)</p> Signup and view all the answers

Which alpha agonist is effective in raising blood pressure in cases of hypotension?

<p>Midodrine (B)</p> Signup and view all the answers

What is the result of a 0.4 °C increase in core body temperature in menopausal women?

<p>Vasodilation (C)</p> Signup and view all the answers

What is the primary use of epinephrine in cardiac management?

<p>To resuscitate cardiac arrest (A)</p> Signup and view all the answers

What is the effect of clonidine on the body's sweating threshold?

<p>Increase (D)</p> Signup and view all the answers

What is the net effect of α2 agonists on blood pressure and heart rate?

<p>Decrease in blood pressure and heart rate (D)</p> Signup and view all the answers

What is the primary benefit of using phenylephrine in patients with paroxysmal supraventricular tachycardias?

<p>Increasing vagal tone (A)</p> Signup and view all the answers

What is the primary use of sympathomimetic drugs in local vascular effects?

<p>To improve visualization during surgical procedures (A)</p> Signup and view all the answers

What is the primary benefit of using clonidine in hypertension management?

<p>Decreasing blood pressure (B)</p> Signup and view all the answers

What type of receptors are involved in vasoconstriction in the eye?

<p>α1 receptors (B)</p> Signup and view all the answers

Which type of receptors are generally found in the heart?

<p>β1 receptors (B)</p> Signup and view all the answers

What is the therapeutic use of mirabegron?

<p>Urinary frequency and incontinence management (D)</p> Signup and view all the answers

What is the primary cause of shock syndrome?

<p>All of the above (D)</p> Signup and view all the answers

Which drug is often used for vasoconstriction in the eye via its α1-mediated effects?

<p>Oxymetazoline (C)</p> Signup and view all the answers

What is the therapeutic use of β2 agonists in asthma management?

<p>Easing asthmatic-related symptoms (D)</p> Signup and view all the answers

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