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BIO242 Exam 2 Spring 2024 Questions with Complete Solutions.
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BIO242 Exam 2 Spring 2024 Questions with Complete Solutions. BIO242 Exam 2 Spring 2024 Questions with Complete Solutions.
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BIO202 Final Exam StudyGuide (StraighterLine
A&P II)
Viscosity of Blood?
Answer: twice as thick as water
How long does it take for a drop of blood to circulate through
the entire system?
Answer: 20-60 seconds
What is the composition of Blood
Answer: 55% plasma, 45% formed elements,
What are the fucntions of blood?
Answer: -Moves regulatory and processed molecules, gasses,
waste, and nutrients
-Regulats pH and osmosis process
-Maintain body temperature
,-Protect against foreign substances
-Assist in clotting
What is the composition of plasma?
Answer: 91% water
7% proteins
2% other solutes
What proteins are found in blood plasma?
Answer: albumin, globulins, fibrinogen
What solutes are found in blood plasma?
Answer: Ions, nutrients, waste products, gasses, regulatory
substances
What are two blood disorders
Answer: Anaemia and sickle-cell disease
What is sickle-cell disease?
, Answer: an abnormal red blood cell that has a crescent shape
and an abnormal form of hemoglobin
What is anemia?
Answer: a decrease in the oxygen-carrying ability of the blood
How much blood does the heart pump per minute?
Answer: ~5 1/4 Quarts per minute
What are action potentials?
Answer: Sequence of electrical changes when a nerve
membrane receives a stimulus that exceeds a threshold
What is depolarization?
Answer: Loss of an electrical charge on the surface of a
membrane
What is Repolarization?
Answer: Gain of electrical charge on the surface of a
membrane
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