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FREE AND STUDY GAMES ABOUT --- SP BLOOD VESSEL
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -240 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Venous sinus
Answer:
vein within endothelium wall that has no smooth muscle to alter its diameter Question 2: Three main types of sensory receptors that provide input to the cardiovascular center are
Answer:
- proprioceptors
- baroreceptors
- chemoreceptors
Question 3: Obstruction of an end artery leads to
Answer:
necrosis of that segment
Question 4: blood viscosity
Answer:
thickness of blood, stickiness
Question 5: Anastamoses is a
Answer:
Union of branches of two or more ARTERIES that supply the same body region
Question 6: Because the tunica media of muscular arteries is thick
Answer:
it is capable of greater vasoconstriction + vasodilation
Question 7: filtration
Answer:
when pressure that push fluid out of capillary exceeds the pull of fluid into capillary
Question 8: Transcytosis
Answer:
When substances are enclosed in pinocytic vessicles that first enter via endocytosis, then move across the cell and exit on other side via exocytosis
Question 9: resistance is frequently referred to as
Answer:
peripheral resistance
Question 10: holes of fenestrated capillaries allow
Answer:
greater exchange of materials
Question 11: A contraction has what affect on the lumen
Answer:
narrowing of lumen and squeezing the arterial wall
Question 12: necrosis
Answer:
death
Question 13: Two mechanisms that assist venous return
Answer:
- skeletal muscle pump
- respiratory pump
Question 14: hypercapnia
Answer:
excess CO2
Question 15: As venules grow larger
Answer:
their walls thicken and lose the ability to exchange with interstitial fluid
Question 16: Blood pressure is generated by the contraction of
Answer:
ventricles
Question 17: capillary blood pressure
Answer:
pressure that pushes out of the capillary
Question 18: Venous sinus quoted in notes
Answer:
flattened veins with thin walls (only endothelium)
Question 19: Why do veins look flat
Answer:
very thin walls
Question 20: Nerve impulses descend from ____ in order to
Answer:
cerebral cortex, limbic system, and hypothalamus
affect the cardiovascular center Question 21: What cannot pass through capillary walls of continuous and fenestrated
Answer:
plasma proteins, red blood cells
Question 22: Systemic vascular resistance is also known as
Answer:
total peripheral resistance
Question 23: Vascular resistance
Answer:
opposition of blood flow due to friction between blood and the wall
Question 24: Capillaries lack the layers
Answer:
tunica media and tunica externa
Question 25: Cardiovascular center controls
Answer:
neural and hormonal negative feedback systems that regulate blood flow to specific tissues
Question 26: The sounds heard while taking blood pressure is called
Answer:
Korotkoff sounds
Question 27: atherosclerosis
Answer:
condition that greatly increases pulse pressure
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