Hypertrophic Cardiomyopathy Quiz

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Questions and Answers

What is a primary characteristic of hypertrophic cardiomyopathy?

  • The ventricular septum thickens (correct)
  • Cells undergo atrophy to reduce workload
  • It results in systemic edema
  • The myocardium becomes less reliant on oxygen

Which of the following symptoms is NOT commonly associated with hypertrophic cardiomyopathy?

  • Dyspnea
  • Chest pain
  • Excessive coughing (correct)
  • Syncope

How is hypertrophic cardiomyopathy commonly diagnosed?

  • Chest X-ray
  • Blood tests
  • Echocardiogram (correct)
  • MRI scan

What is a significant risk associated with hypertrophic cardiomyopathy in young athletes?

<p>Sudden death during exertion (D)</p> Signup and view all the answers

Which of the following treatments is NOT typically used for hypertrophic cardiomyopathy?

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

What is a primary function of digoxin as a cardiac glycoside?

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

Which factor is crucial to monitor when a patient is on digoxin?

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

What can result from hypokalemia in a patient taking digoxin?

<p>Increased risk of cardiac dysrhythmias (A)</p> Signup and view all the answers

What is an adverse effect associated with digoxin?

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

Which of the following statements about drug interactions with digoxin is true?

<p>Quinidine elevates the levels of digoxin (A)</p> Signup and view all the answers

What does digoxin primarily affect regarding hemodynamics?

<p>Increased cardiac output (D)</p> Signup and view all the answers

What is a significant adverse effect when the digoxin level is elevated?

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

Which neurohormonal benefit does digoxin provide?

<p>Suppresses renin release (A)</p> Signup and view all the answers

What is the primary consequence of a left-to-right shunt in congenital heart defects?

<p>Increased blood flow to the lungs. (B)</p> Signup and view all the answers

Which structure allows blood to bypass the liver in fetal circulation?

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

What congenital defect is characterized by the aorta arising from the right ventricle?

<p>Transposition of the Great Arteries (A)</p> Signup and view all the answers

What is a common diagnosis method for septal defects?

<p>Echocardiogram (A)</p> Signup and view all the answers

What is one risk associated with untreated atrial septal defects over time?

<p>Development of pulmonary vascular disease. (B)</p> Signup and view all the answers

Which of the following describes a distinguishing feature of coarctation of the aorta?

<p>Differences in blood pressure between upper and lower body. (B)</p> Signup and view all the answers

Which condition requires surgical intervention for realignment of the arteries?

<p>Transposition of the Great Arteries (D)</p> Signup and view all the answers

What is the typical treatment option for a persistent patent ductus arteriosus in infants?

<p>NSAIDs and possibly surgery. (B)</p> Signup and view all the answers

Which symptom is commonly associated with coarctation of the aorta?

<p>Extreme variation in limb pulse strength. (C)</p> Signup and view all the answers

What is a significant clinical feature of tetralogy of Fallot?

<p>Presence of cyanosis due to hypoxia. (C)</p> Signup and view all the answers

What role does the sinoatrial (SA) node play in the heart's electrical system?

<p>It acts as a pacemaker of the heart. (A)</p> Signup and view all the answers

Which wave in an ECG corresponds to the depolarization of the ventricles?

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

What is a characteristic of supraventricular rhythms?

<p>They can be symptomatic or asymptomatic. (A)</p> Signup and view all the answers

In atrial fibrillation, which of the following is typically observed on an EKG?

<p>Absence of a P wave (C)</p> Signup and view all the answers

What is the primary treatment required for patients with chronic atrial fibrillation?

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

Which of the following describes ventricular dysrhythmias?

<p>Typically cause a loss of consciousness or death. (A)</p> Signup and view all the answers

Which class of antidysrhythmic drugs is known as potassium channel blockers?

<p>Class III (A)</p> Signup and view all the answers

What is the purpose of adenosine in the treatment of dysrhythmias?

<p>To convert tachycardia into normal rhythm. (A)</p> Signup and view all the answers

What complications are associated with the use of antidysrhythmic drugs?

<p>They can sometimes cause new dysrhythmias. (C)</p> Signup and view all the answers

What contributes to the development of an action potential in cardiac muscle?

<p>Sodium, potassium, and calcium ions. (B)</p> Signup and view all the answers

What effect does decreased blood glucose have on glucagon secretion?

<p>Stimulates glucagon secretion (C)</p> Signup and view all the answers

Which process is NOT stimulated by glucagon?

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

What is a common laboratory finding for diagnosing Type II diabetes?

<p>Random blood glucose ≥ 200 mg/dL (B)</p> Signup and view all the answers

Which type of diabetes is characterized by immune-mediated destruction of pancreatic beta cells?

<p>Type I Diabetes (Type IA) (D)</p> Signup and view all the answers

What is the primary goal for managing diabetes, according to current guidelines?

<p>Hemoglobin A1C between 6.5%–8.0% (A)</p> Signup and view all the answers

What is a characteristic of Type II Diabetes Mellitus?

<p>Relative insulin deficiency and insulin resistance (C)</p> Signup and view all the answers

Which condition is a risk factor for developing Type II diabetes?

<p>Impaired fasting plasma glucose between 100 mg/dL and 125 mg/dL (D)</p> Signup and view all the answers

Which of the following best describes Type IB diabetes?

<p>No detectable antibodies present (A)</p> Signup and view all the answers

What is the significance of elevated blood glucose levels in diabetes?

<p>It causes breakdown of fats and proteins (A)</p> Signup and view all the answers

How can the risk of developing Type II diabetes be reduced?

<p>Regular physical activity and dietary changes (D)</p> Signup and view all the answers

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