Podcast
Questions and Answers
Which of the following is NOT a mechanism of blood flow regulation during increased metabolic demand?
Which of the following is NOT a mechanism of blood flow regulation during increased metabolic demand?
- Vasoconstriction (correct)
- Release of vasodilating mediators
- Release of vasoconstricting factors
- Vasodilation
Which of the following is NOT synthesized by endothelial cells as a potent vasodilating agent?
Which of the following is NOT synthesized by endothelial cells as a potent vasodilating agent?
- Endothelins (correct)
- Nitric oxide
- Endothelium-derived hyperpolarizing factor (EDHF)
- Prostacyclin
Which receptor does epinephrine activate, resulting in an increase in heart rate and contractility?
Which receptor does epinephrine activate, resulting in an increase in heart rate and contractility?
- Alpha-2 receptors
- Alpha-1 receptors
- Beta-2 receptors
- Beta-1 receptors (correct)
Which of the following is a major component of left ventricular afterload?
Which of the following is a major component of left ventricular afterload?
Which of the following is true about electrocardiographic changes during myocardial ischemia and injury?
Which of the following is true about electrocardiographic changes during myocardial ischemia and injury?
What does the PR-interval on an ECG reflect?
What does the PR-interval on an ECG reflect?
Which of the following is a highly specific biomarker for myocardial tissue injury?
Which of the following is a highly specific biomarker for myocardial tissue injury?
True or False: The CK-MB level identifies necrosis in cardiac muscles earlier than troponin.
True or False: The CK-MB level identifies necrosis in cardiac muscles earlier than troponin.
What is the characteristic feature of a subendocardial myocardial infarction on an ECG?
What is the characteristic feature of a subendocardial myocardial infarction on an ECG?
Which treatment regimen is commonly indicated for the management of acute coronary syndrome?
Which treatment regimen is commonly indicated for the management of acute coronary syndrome?
What is the main cause of Prinzmetal's angina?
What is the main cause of Prinzmetal's angina?
Which type of angina occurs while resting and during the night or early morning hours?
Which type of angina occurs while resting and during the night or early morning hours?
What is the main difference between NSTEMI and STEMI?
What is the main difference between NSTEMI and STEMI?
What is the recommended antiplatelet agent for the management of angina?
What is the recommended antiplatelet agent for the management of angina?
What is the primary cause of an acute coronary syndrome?
What is the primary cause of an acute coronary syndrome?
Which of the following is a potential complication of STEMI?
Which of the following is a potential complication of STEMI?
What is the most probable diagnosis for Mr. David, a 65-year-old patient with severe left-sided chest pain and a history of cardiac ischemia?
What is the most probable diagnosis for Mr. David, a 65-year-old patient with severe left-sided chest pain and a history of cardiac ischemia?
Which ECG finding is associated with an area of infarction/necrosis?
Which ECG finding is associated with an area of infarction/necrosis?
What are the potential complications of ACS?
What are the potential complications of ACS?
Which factor contributes to the irreversible damage in the area of infarction/necrosis?
Which factor contributes to the irreversible damage in the area of infarction/necrosis?
What are the potential complications of STEMI?
What are the potential complications of STEMI?
Which of the following is the most likely diagnosis for Mr. Green based on his symptoms and test results?
Which of the following is the most likely diagnosis for Mr. Green based on his symptoms and test results?
What is the main purpose of the coronary circulation?
What is the main purpose of the coronary circulation?
What is the difference between myocardial ischemia and myocardial infarction?
What is the difference between myocardial ischemia and myocardial infarction?
Which term is used to describe a condition characterized by chest pain due to reduced blood flow to the heart muscle?
Which term is used to describe a condition characterized by chest pain due to reduced blood flow to the heart muscle?
What is the role of ECG and serum biomarkers in the diagnosis of acute coronary syndrome?
What is the role of ECG and serum biomarkers in the diagnosis of acute coronary syndrome?
How would you define ST-segment elevation myocardial infarction (STEMI) in terms of pathology?
How would you define ST-segment elevation myocardial infarction (STEMI) in terms of pathology?
Which of the following is a determinant of oxygen supply to the heart?
Which of the following is a determinant of oxygen supply to the heart?
Which of the following is a mechanism of blood flow regulation during increased metabolic demand?
Which of the following is a mechanism of blood flow regulation during increased metabolic demand?
Which of the following is a risk factor for stable angina?
Which of the following is a risk factor for stable angina?
Which of the following is a characteristic feature of stable angina?
Which of the following is a characteristic feature of stable angina?
Which of the following is a potential complication of NSTEMI?
Which of the following is a potential complication of NSTEMI?
Which of the following is a characteristic feature of STEMI on an ECG?
Which of the following is a characteristic feature of STEMI on an ECG?
Which of the following is a risk factor for ACS?
Which of the following is a risk factor for ACS?
Which of the following is a characteristic feature of a subendocardial myocardial infarction on an ECG?
Which of the following is a characteristic feature of a subendocardial myocardial infarction on an ECG?
Which of the following is NOT a potential reperfusion strategy for the management of acute coronary syndrome?
Which of the following is NOT a potential reperfusion strategy for the management of acute coronary syndrome?
Which of the following is a primary biomarker test for the diagnosis of myocardial infarction?
Which of the following is a primary biomarker test for the diagnosis of myocardial infarction?
Which of the following is NOT a commonly indicated treatment regimen for the management of acute coronary syndrome?
Which of the following is NOT a commonly indicated treatment regimen for the management of acute coronary syndrome?
Which of the following is the most suitable treatment for Mr. Green, who presents with severe chest pain that radiates to his left shoulder and lower jaw after playing soccer with his grand-daughter?
Which of the following is the most suitable treatment for Mr. Green, who presents with severe chest pain that radiates to his left shoulder and lower jaw after playing soccer with his grand-daughter?
Which of the following is a characteristic feature of stable angina?
Which of the following is a characteristic feature of stable angina?
Which of the following is the most probable diagnosis for Mr. Green, who presents with severe chest pain that radiates to his left shoulder and lower jaw, and normal ECG and cardiac enzyme levels?
Which of the following is the most probable diagnosis for Mr. Green, who presents with severe chest pain that radiates to his left shoulder and lower jaw, and normal ECG and cardiac enzyme levels?
Which of the following is a characteristic feature of stable angina?
Which of the following is a characteristic feature of stable angina?
What is the recommended antiplatelet agent for the management of stable angina?
What is the recommended antiplatelet agent for the management of stable angina?
Which type of angina is caused by vasospasm of the coronary arteries rather than atherosclerosis?
Which type of angina is caused by vasospasm of the coronary arteries rather than atherosclerosis?
What is the classification of ischemic heart disease that includes chronic stable angina and silent myocardial ischemia?
What is the classification of ischemic heart disease that includes chronic stable angina and silent myocardial ischemia?
Which of the following laboratory tests is used to measure the red cell mass in a 100-mL plasma volume?
Which of the following laboratory tests is used to measure the red cell mass in a 100-mL plasma volume?
Which of the following laboratory tests reflects the volume or size of the red cells?
Which of the following laboratory tests reflects the volume or size of the red cells?
Which of the following laboratory tests measures the hemoglobin content of the blood?
Which of the following laboratory tests measures the hemoglobin content of the blood?
Which of the following laboratory tests provides an index of the rate of red cell production?
Which of the following laboratory tests provides an index of the rate of red cell production?
Which of the following is a cause of chronic blood loss anemia?
Which of the following is a cause of chronic blood loss anemia?
Which of the following is a characteristic feature of hemolytic anemia?
Which of the following is a characteristic feature of hemolytic anemia?
What is the most likely diagnosis for the 12-year-old boy with severe chest pain and sickle cell disease?
What is the most likely diagnosis for the 12-year-old boy with severe chest pain and sickle cell disease?
According to the text, what is the cause of Mrs. Monica Geller-Bing's anemia?
According to the text, what is the cause of Mrs. Monica Geller-Bing's anemia?
What will be expected on a blood smear for Mrs. Monica Geller-Bing?
What will be expected on a blood smear for Mrs. Monica Geller-Bing?
What is the most common worldwide cause of anemia affecting people of all ages?
What is the most common worldwide cause of anemia affecting people of all ages?
What is the best treatment for iron deficiency anemia?
What is the best treatment for iron deficiency anemia?
According to the text, what are the two major consequences of RBC sickling in sickle cell anemia?
According to the text, what are the two major consequences of RBC sickling in sickle cell anemia?
What is the most common complication of sickle cell disease?
What is the most common complication of sickle cell disease?
What is the leading cause of death in people with sickle cell disease?
What is the leading cause of death in people with sickle cell disease?
What is the chance that Bob and Amy will have a child with sickle cell disease, given their genetic makeup (both have the HbAS genotype)?
What is the chance that Bob and Amy will have a child with sickle cell disease, given their genetic makeup (both have the HbAS genotype)?
What is the primary function of red blood cells?
What is the primary function of red blood cells?
Which of the following laboratory findings is associated with anemia?
Which of the following laboratory findings is associated with anemia?
Which of the following is a characteristic feature of megaloblastic anemias?
Which of the following is a characteristic feature of megaloblastic anemias?
Which of the following is a cause of vitamin B12-deficiency anemia?
Which of the following is a cause of vitamin B12-deficiency anemia?
Which of the following is a clinical manifestation of vitamin B12-deficiency anemia?
Which of the following is a clinical manifestation of vitamin B12-deficiency anemia?
Which of the following is a symptom of folic acid deficiency anemia?
Which of the following is a symptom of folic acid deficiency anemia?
Which of the following is a potential cause of decreased production of erythrocytes by the bone marrow?
Which of the following is a potential cause of decreased production of erythrocytes by the bone marrow?
Which of the following is a potential cause of anemia due to kidney failure?
Which of the following is a potential cause of anemia due to kidney failure?
Which of the following is a potential cause of aplastic anemia?
Which of the following is a potential cause of aplastic anemia?
Which of the following is a common inherited bleeding disorder characterized by a deficiency or defect in vWF?
Which of the following is a common inherited bleeding disorder characterized by a deficiency or defect in vWF?
Which clotting factor is deficient in Hemophilia A?
Which clotting factor is deficient in Hemophilia A?
Which of the following is a symptom of Hemophilia A?
Which of the following is a symptom of Hemophilia A?
What is the recommended treatment for Hemophilia A?
What is the recommended treatment for Hemophilia A?
Which of the following is a stage of hemostasis that involves the formation of a platelet plug?
Which of the following is a stage of hemostasis that involves the formation of a platelet plug?
Which of the following is a potential cause of thrombocytosis (increased platelet levels)?
Which of the following is a potential cause of thrombocytosis (increased platelet levels)?
Which of the following can prolong the prothrombin time (PT)?
Which of the following can prolong the prothrombin time (PT)?
What is the main cause of bleeding associated with platelet disorders?
What is the main cause of bleeding associated with platelet disorders?
Which of the following is NOT a cause of thrombocytopenia?
Which of the following is NOT a cause of thrombocytopenia?
Which of the following can cause increased bleeding?
Which of the following can cause increased bleeding?
Which of the following is a possible cause of increased bleeding in individuals with bleeding disorders caused by vascular defects?
Which of the following is a possible cause of increased bleeding in individuals with bleeding disorders caused by vascular defects?
What are the characteristic signs of bleeding disorders caused by vascular defects?
What are the characteristic signs of bleeding disorders caused by vascular defects?
What was the result of the coagulation studies for the infant in the case study?
What was the result of the coagulation studies for the infant in the case study?
What is the most likely diagnosis for the case study infant based on the coagulation study results?
What is the most likely diagnosis for the case study infant based on the coagulation study results?
What are the two laboratory tests that showed prolongations in Tony Stark's preoperative screening?
What are the two laboratory tests that showed prolongations in Tony Stark's preoperative screening?
What is the diagnosis for Tony Stark based on the laboratory coagulation evaluation?
What is the diagnosis for Tony Stark based on the laboratory coagulation evaluation?
Is Tony Stark at a higher risk for bleeding or coagulation?
Is Tony Stark at a higher risk for bleeding or coagulation?
What are the vasoconstricting agents involved in vascular constriction?
What are the vasoconstricting agents involved in vascular constriction?
Which of the following equations correctly calculates the mean arterial pressure (MAP)?
Which of the following equations correctly calculates the mean arterial pressure (MAP)?
Which of the following terms is used to describe the difference between systolic blood pressure (SBP) and diastolic blood pressure (DBP)?
Which of the following terms is used to describe the difference between systolic blood pressure (SBP) and diastolic blood pressure (DBP)?
Which of the following factors influence blood pressure?
Which of the following factors influence blood pressure?
Which hormone is responsible for sodium and water retention and increases the excretion of potassium by the kidneys?
Which hormone is responsible for sodium and water retention and increases the excretion of potassium by the kidneys?
Which of the following is a characteristic feature of coarctation of the aorta?
Which of the following is a characteristic feature of coarctation of the aorta?
Which of the following factors does NOT influence blood pressure?
Which of the following factors does NOT influence blood pressure?
In atherosclerosis, what happens to compliance and resistance to blood flow?
In atherosclerosis, what happens to compliance and resistance to blood flow?
Which of the following variables affects stroke volume?
Which of the following variables affects stroke volume?
Which of the following risk factors could contribute to Leo's hypertension?
Which of the following risk factors could contribute to Leo's hypertension?
What is the mechanism of action of diuretics for the management of hypertension?
What is the mechanism of action of diuretics for the management of hypertension?
What is the mechanism of action of ACE inhibitors for the management of hypertension?
What is the mechanism of action of ACE inhibitors for the management of hypertension?
What are the symptoms of orthostatic hypotension?
What are the symptoms of orthostatic hypotension?
Which organ is particularly affected by hypertension and is at risk for the development of atherosclerotic vascular disease?
Which organ is particularly affected by hypertension and is at risk for the development of atherosclerotic vascular disease?
Which class of medications blocks the renin-angiotensin aldosterone system (RAAS) and is commonly used in the management of hypertension?
Which class of medications blocks the renin-angiotensin aldosterone system (RAAS) and is commonly used in the management of hypertension?
What is the potential adverse effect of ACE inhibitors that is characterized by swelling around the mouth, nose, throat, lips, and/or tongue?
What is the potential adverse effect of ACE inhibitors that is characterized by swelling around the mouth, nose, throat, lips, and/or tongue?