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HMX Physiology Final Exam Study Guide 2022 With Complete Solution $12.49   Add to cart

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HMX Physiology Final Exam Study Guide 2022 With Complete Solution

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Patm Correct Answer: 760 mm Hg (mercury) PN2 (partial pressure of nitrogen in air) Correct Answer: Patm * PN2 (760 * 0.78) = 592.8 mm Hg PO2 (partial pressure of oxygen in air) Correct Answer: Patm * PO2 (760 * 0.21) = 160 mm Hg Alveolus Correct Answer: tiny air sacs of lungs which all...

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  • October 18, 2022
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HMX Physiology Final Exam Study Guide 2022 With
Complete Solution

Patm Correct Answer: 760 mm Hg (mercury)

PN2 (partial pressure of nitrogen in air) Correct Answer: Patm * PN2 (760 * 0.78) = 592.8 mm
Hg

PO2 (partial pressure of oxygen in air) Correct Answer: Patm * PO2 (760 * 0.21) = 160 mm Hg

Alveolus Correct Answer: tiny air sacs of lungs which allow for rapid gas exchange

Atmospheric pressure Correct Answer: pressure exerted by weight of atmosphere

Boyle's Law Correct Answer: P x V = k. Inverse relationship between pressure and volume for
fixed amount of gas at constant temperature. Pressure * Volume = Constant K

Capillaries Correct Answer: tiny, branching blood vessels that form a network between
arterioles and venules

Hemoglobin (Hgb) Correct Answer: protein in blood cell that binds O2. Normal level: 12 g/dL.
iron rich protein that helps RBCs carry O2 from lungs to rest of body. 1g of Hgb carries 1.39 mL

Partial Pressure Correct Answer: pressure that would be exerted by one of the gases in a mixture
if it occupied the same volume on its own

Partial pressure of a gas dissolved in liquid Correct Answer: = partial pressure in air above water

Pgas Correct Answer: = Fgas (friction of gas) x Ptotal

Dalton's law Correct Answer: Ptotal = P1 + ... + Pn. In a mix of non-reacting gases, the total
pressure exerted = sum of partial pressures of individual gases

Total Oxygen in Blood Correct Answer: = O2 dissolved + O2 bound to hemoglobin

Kidneys Correct Answer: conserve water, filter toxins or byproducts of metabolism, getting rid
of excess dietary fluid and salt

Concentration gradient Correct Answer: gradual change in concentration of solutes present in a
solution between 2 regions

Dialysate Correct Answer: part of mixture which passes through membrane in dialysis. Solution
of pure water, electrolytes, and salt, like bicarbonate and sodium

, Dialysis kidney Correct Answer: process of removing waste products and excess fluid from
body

Edema Correct Answer: puffiness caused by excess fluid trapped in body's tissues. Increased
hydrostatic pressure, decreased oncotic pressure

extracellular space Correct Answer: intravascular + intrastitial space. 1/3 of body.

glomerulus Correct Answer: cluster of nerve endings, spores, or small blood vessels (cluster of
capillaries around end of kidney tubule), where waste products are filtered from blood

hydrostatic force/pressure Correct Answer: fluid pressure. water moves from high hydrostatic
pressure to low hydrostatic pressure

interstitial pressure Correct Answer: surrounds tissue cells. filled with fluid.

intravascular space Correct Answer: blood vessels. 1/3 of body fluid in extracellular is in here

intracellular space Correct Answer: space within organism's cells. 2/3 of total body water of
humans found here

oncotic force/pressure Correct Answer: osmotic consequence of having a differential
concentration of protein across the wall of a capillary

osmotic force/pressure Correct Answer: water moves from areas of low solute concentration to
areas of high solute concentration. Difference in concentration. Fluid movement across cell
walls.

Renal/kidney tubule Correct Answer: conveys urine from glomeruli to renal pelvis in vertebrate
kidney

semi-permeable membrane Correct Answer: biological membrane that will allow certain
molecules or ions to pass through it by diffusion

starling forces Correct Answer: govern movement of fluid into & out of blood vessels. Fluid
movement across capillary walls. Favor filtration at arterial ends of capillaries and reabsorption
at venous ends of capillaries

urea Correct Answer: nitrogenous compound. formed in liver via urea cycle from ammonia and
is final end product of protein metabolism

dialyzer Correct Answer: filters blood during hemodialysis

air trapping Correct Answer: abnormal retention of air in lungs where it is difficult to exhale
completely. Flow is inadequate to move sufficient air out of lungs during exhalation.

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