Practice Quiz - Alterations Of Cardiovascular Function 1 Flashcards
Which of the following receptors will cause and increase in HR and the strength of myocardial contraction during a sympathetic response?
Beta-1
A diagnosis of primary hypertension is based on:
Blood pressure readings
How would a gene mutation leading to increased angiotensin 2 levels cause hypertension?
Vasoconstriction of systemic arteries causes an increase in systemic vascular resistance
Which of the following factors is thought to account for the increased incidence of hypertension and complications from hypertension among African Americans?
Gene mutation causing increased sodium retention
What type of changes are seen in the wall of arteries of an individual who has had primary hypertension for several years.
Hypertrophy and hyperplasia of smooth muscle causes a permanently constricted artery.
Risk factors for primary hypertension include all of the following except:
A diet high in saturated fats and cholesterol
Why can uncontrolled of untreated hypertension lead to lower limb amputation?
Hypertension can cause atherosclerosis in the arteries to the lower limbs
Uncontrolled or untreated can lead to a bulging or dilation of the arteries, a conditions that is called a/an:
Aneurysm
Why is LDL considered “bad” cholesterol?
High LDL levels lead to the development of atherosclerosis
A diagnosis of dyslipidemia includes high LDL and HDL levels in the blood. True or False?
False
All of the following are risk factors for the development of dyslipidemia except:
Smoking
The fatty streak in the wall of an artery that has developed atherosclerosis is formed by:
Phagocytosis and oxidation of LDL by macrophages
Which lab test is the best indicator of the presence of atherosclerosis in any artery?
C reactive protein (CRP)
The process of atherosclerosis is caused by which two conditions
Dyslipidemia and endothelial injury
In general, coronary artery disease (CAD) leads to:
Myocardial ischemia
