NUR 631 Cardiology
- Obstruction is either arteries or veins, give an example of a reduced flow beyond obstruction
(downstream)?
Answer Ischemia
- Which statement is true regarding the streamlined nature of laminar blood flow?
- Turbulent blood flow is a result of a vessel branching at a wide angle.
- A thrill can be palpated when blood flows over a roughened intimal surface.
- Blood contacting the intima moves more quickly than that in the center of the vessel.
- A thrombus results when the blood in the middle of the vessel flows more quickly than that
in the outer layer.
Answer A thrill can be palpated when blood flowers over a roughened intimal surface
- What are the main causes of edema?
- When the adjacent lymphatic system develops an impaired lymphatic flow or when the
- When the capillaries develop an impaired flow or when the lymphatic system becomes
- When the capillary beds develop a decreased pressure, thereby promoting fluid "leaks" into
- When the lymphatic system fails to pick up excess fluid from the interstitial space
- When the adjacent lymphatic system develops an impaired lymphatic flow or when the
capillaries themselves become more permeable and "leak" fluid into the cell
more permeable and "leaks" fluid into the cell
the interstitial fluid
Answer
capillaries themselves become more permeable and "leak" fluid into the cell
- What is the specific terminology to describe the formation of a blood clot in a vein?
- Ischemia
- Phlebitis
- Thrombus
- Thrombophlebitis 1 / 3
Answer
- Thrombophlebitis
- Thrombosis in the microcirculation throughout the body is called
- Stroke
- Atherosclerosis
- Myocardial infarction (MI)
- Disseminated intravascular coagulation (DIC)
Answer Disseminated intravascular coagulation (DIC)
- What are the upper acceptable values for cholesterol within the blood?
- Total cholesterol level of 40 mg/dl, HDL of 200 mg/dl, and LDL of 160 mg/dl
- Total cholesterol level of 40 mg/dl, HDL of 160 mg/dl, and LDL of 200 mg/dl
- Total cholesterol level of 200 mg/dl, HDL of 160 mg/dl, and LDL of 40 mg/dl
- Total cholesterol level of 200 mg/dl, HDL of 40 mg/dl, and LDL of 160 mg/dl
Answer D = Total cholesterol level of 200 mg/dl, HDL of 40 mg/dl, and LDL of 160 mg/dl
- What does Endothelin-1 do?
Answer (Inc BP) Important in BP control / potent vasoconstrictor
- What kind of hypertension is attributed to a specific identifiable pathology or condition such
as ingestion of certain drugs, food or chemicals?
Answer Secondary HTN
- How does ANP decrease Blood pressure?
Answer it causes the kidneys to increase sodium and water excretion by increasing the glomerular 2 / 3
filtration rate when sensing increase BP in the atrium.
- Most common cause for childhood secondary HTN’ renal disease and coarctation of the
aorta (congenital defect)
Answer
- What are the two most common causes for secondary HTN in childhood?-
Answer renal disease and coarctation of the aorta (congenital disease)
- What is Pheochromocytoma and what may be related to it in the heart?
Answer It is a tumor of the adrenal medulla and may lead to secondary HTN
- Renal artery stenosis causes what kind of HTN?
Answer secondary
- Extreme and rapidly developing HTN is divided into two groups
Answer emergency, where there is evidence of end-organ damage, and urgency where there is not.
- What are the differences between emergency HTN and urgency HTN?
Answer -
Emergency hypertension involved end organ damage where urgency does not
- What is the leading cause of death in the United States?
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