quizzes with well detailed accurate
correct answers already passed
Ans: A- LDLs cause smooth muscle proliferation - answer ✔✔-What is the effect of oxidized low-
density lipoproteins (LDLs) in atherosclerosis?
A) LDLs cause smooth muscle proliferation
B) LDLs cause regression of atherosclerotic plaques
C) LDLs increase levels of inflammatory cytokines
D) LDLs direct microphages to the site in the endothelium
Ans: C- tumor necrosis factor-alpha (TNF-α), interferon-gamma (IFN-γ), and interleukin 1 (IL-1) -
answer ✔✔-Which inflammatory cytokines are released when endothelial cells are injured?
A) granulocyte-macrophage colony-stimulating factor (GM-CSF)
B) interferon-beta (IFN-β), interleukin 6 (IL-6), and granulocyte colony-stimulating factor (G-CSF)
C) tumor necrosis factor-alpha (TNF-α), interferon-gamma (IFN-γ), and interleukin 1 (IL-1)
D) interferon-alpha (IFN-α), interleukin 12 (IL-12), and macrophage colony-stimulating factor
(M-CSF)
Ans: B- cells are unable to make the normal amount of vasodilation cytokines - answer ✔✔-
When endothelia cells are injured, which alteration contributes to atherosclerosis?
, A) toxic oxygen radicals that oxidize low-density lipoproteins (LDLs) are released
B) cells are unable to make the normal amount of vasodilation cytokines
C) cells produce an increased amount of anti-thrombotic cytokines
D) cells develop hypersensitivity to homocysteine and lipids
Ans: C- angiotensin II - answer ✔✔-Which factor is responsible for hypertrophy of the
myocardium associated with hypertension?
A) increased norepinephrine
B) adducin
C) angiotensin II
D)insulin resistance
Ans: C- atherosclerosis erodes the vessel wall - answer ✔✔-What effect does atherosclerosis
have on the development of an aneurysm?
A) atherosclerosis cause ischemia of the intima
B) atherosclerosis increases nitric oxide
C) atherosclerosis erodes the vessel wall
D) atherosclerosis obstructs the vessel
Ans: A- inflammation and roughening of the endothelium of the artery are present - answer
✔✔-Regarding the endothelium, what is the difference between healthy vessel walls and those
that promote clot formation?
A) inflammation and roughening of the endothelium of the artery are present
B) hypertrophy and vasoconstriction of the endothelium of the artery are present