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Bios 255 Midterm Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).
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Bios 255 Midterm Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).
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Bios 255 Midtermtypes of capillaries - ANS continuous, fenestrated, sinusoid
3 blood vessel layers - ANS tunica intima, tunica media, tunica externa
Arteries Carry blood - ANS Away from the heart
anastomosis - ANS Provide an alternate route for blood flow
Venous return assisted by 3 things - ANS valves, respiratory pump, skeletal muscle pump
Vascular resistance depends on . 3 things - ANS size of lumen, blood viscosity, total blood
vessel length
Cardiac output equation - ANS heart rate x stroke volume
Pulse pressure equation - ANS systolic - diastolic pressure
Mean Arterial Pressure (MAP) - ANS Diastolic pressure + pulse pressure / 3
the largest portion of blood is in ? - ANS Systemic veins
Substances across capillary walls by: - ANS diffusion, transcytosis, bulk flow
Starling's Law of the Capillaries - ANS Filtration (blood capillaries to interstitial fluid)
Reabsorption ( interstitial fluid to blood capillaries)
Factors that affect blood flow (5) - ANS 1.Increased blood volume
2. Skeletal muscle pump
3. Respiratory pump
4. Venoconstriction
5.increased venous return
Baroreceptors - ANS important pressure-sensitive sensory neurons that monitor stretching of
the walls of blood vessels and the atria
Autoregulation - ANS the ability of tissues to regulate their own blood supply
cerebral arterial circle (circle of willis) - ANS an anastomosis surrounding the pituitary glad
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