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Questions and Answers
Which circulation route allows the liver to extract and modify nutrients and detoxify harmful substances in the blood?
Which circulation route allows the liver to extract and modify nutrients and detoxify harmful substances in the blood?
- Systemic Circulation
- Pulmonary Circulation
- Renal Circulation
- Hepatic Portal Circulation (correct)
What is the main purpose of fetal circulation?
What is the main purpose of fetal circulation?
- To oxygenate maternal blood
- To bypass the liver
- To exchange materials between fetus and mother (correct)
- To supply nutrients to the mother
Which structure shunts blood from the pulmonary trunk into the aorta in fetal circulation?
Which structure shunts blood from the pulmonary trunk into the aorta in fetal circulation?
- Ductus Venosus
- Ductus Arteriosus (correct)
- Umbilical Arteries
- Foramen Ovale
What is the function of the ductus venosus in fetal circulation?
What is the function of the ductus venosus in fetal circulation?
In fetal circulation, what does the foramen ovale shunt blood between?
In fetal circulation, what does the foramen ovale shunt blood between?
Which component of fetal circulation allows nutrient and oxygen-rich blood to flow past the liver into the inferior vena cava?
Which component of fetal circulation allows nutrient and oxygen-rich blood to flow past the liver into the inferior vena cava?
Where does the pulmonary circulation take deoxygenated blood from?
Where does the pulmonary circulation take deoxygenated blood from?
Which vessel returns oxygenated blood from the lungs to the left atrium?
Which vessel returns oxygenated blood from the lungs to the left atrium?
What is the main purpose of the aorta?
What is the main purpose of the aorta?
Which of the following is NOT a major systemic artery mentioned?
Which of the following is NOT a major systemic artery mentioned?
Where do the veins of the systemic circulation return blood to?
Where do the veins of the systemic circulation return blood to?
Which vein is NOT mentioned as a major systemic vein?
Which vein is NOT mentioned as a major systemic vein?
What is the normal pulse rate for an adult?
What is the normal pulse rate for an adult?
How is blood pressure measured?
How is blood pressure measured?
What is the force of blood recorded during ventricular contraction known as?
What is the force of blood recorded during ventricular contraction known as?
What are some general changes in the cardiovascular system associated with aging?
What are some general changes in the cardiovascular system associated with aging?
Where can a pulse be felt?
Where can a pulse be felt?
What is the normal blood pressure of a young adult male?
What is the normal blood pressure of a young adult male?
What factors contribute to vascular resistance in the cardiovascular system?
What factors contribute to vascular resistance in the cardiovascular system?
Which part of the brain helps regulate heart rate and stroke volume?
Which part of the brain helps regulate heart rate and stroke volume?
What type of sensory receptors provide input to the cardiovascular center during physical activity?
What type of sensory receptors provide input to the cardiovascular center during physical activity?
What is the role of baroreceptors in regulating blood pressure?
What is the role of baroreceptors in regulating blood pressure?
How do negative feedback systems contribute to controlling blood pressure and flow?
How do negative feedback systems contribute to controlling blood pressure and flow?
What happens when chemoreceptors detect low O2, high CO2, or H+ levels in the blood?
What happens when chemoreceptors detect low O2, high CO2, or H+ levels in the blood?
Where are baroreceptors primarily located in the body?
Where are baroreceptors primarily located in the body?
Which hormone acts to decrease blood volume, promote vasodilation, and lower blood pressure?
Which hormone acts to decrease blood volume, promote vasodilation, and lower blood pressure?
What effect does sympathetic stimulation have on arterioles and veins?
What effect does sympathetic stimulation have on arterioles and veins?
Which system involves the kidneys secreting renin to increase blood pressure?
Which system involves the kidneys secreting renin to increase blood pressure?
What is the primary function of antidiuretic hormone (ADH) in blood pressure regulation?
What is the primary function of antidiuretic hormone (ADH) in blood pressure regulation?
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