2026 PRACTICE SOLUTIONS GRADED A+
⩥ Leukocyte (wbc).
Answer: Protect against invading microorganisms
⩥ Erythrocyte (rbc).
Answer: Contain hgb and enables cell to bind oxygen molecules
⩥ Plasma.
Answer: Fluid medium that allows transport of blood components
⩥ Capillaries.
Answer: Smallest vessels
⩥ Veins (except pulmonary).
Answer: Carry deoxygenated blood back to heart
⩥ Pulmonary Vein.
Answer: Carries oxygenated blood from lungs to heart
,⩥ Arteries (except Pulmonary).
Answer: Carry oxygenated blood away from heart
⩥ Pulmonary Artery.
Answer: Carries deoxygenated blood from heart to lungs
⩥ Blood Pressure.
Answer: Force of blood pushing on walls of arteries
⩥ This keeps blood flowing in one direction...
Answer: BP
⩥ Diastole.
Answer: Atria relax, fill with blood
⩥ Systole.
Answer: Contraction of heart muscles to push blood
⩥ Semi lunar valves are located...
Answer: Pulmonary artery and aorta
, ⩥ Pulmonary circuit.
Answer: Right side, blood flows from RA to RV to lungs
⩥ Systemic Circuit.
Answer: Left side, blood flows from LA to LV to body
⩥ Circulatory System transports.
Answer: Micro/Macro Nutrients, Oxygen, Water
⩥ Vital lung capacity.
Answer: Maximum volume of gas that can be expired after maximum
inspiration
⩥ Residual Capacity.
Answer: Volume of gas leftover after maximum expiration
⩥ Expiratory Reserve Volume.
Answer: Maximum gas that can be expired beyond end of a tidal
inspiration
⩥ Tidal Volume.
Answer: Volume of gas inspired and expired during an unforced breath