BIOS 255 Exam 1 | Questions and
Answers Rated and Graded A+ | Latest
2024 | Chamberlain
What nutrients are carried in the blood?
glucose, vitamins, fats, cholesterol, phospholipids, minerals.
What makes up 90% of plasma cations?
Sodium
What contributes to the viscosity of blood?
cohesion of particles and osmolarity
Which is thicker blood or plasma?
Blood
High blood osmolarity causes
blood to absorb too much water and increases blood pressure
low blood osmolarity causes
too much water stays in tissues and drop in blood pressure
leading to edema (excessive tissue swelling)
hypoproteinemia
,Deficiency of plasma proteins
Extreme starvation
Liver or kidney disease
Severe burns
circulatory system
consists of the heart, blood vessels, and blood
cardiovascular system
only heart and blood vessels
What are the main functions of the circulatory system?
Transport, protection, regulation
What does the circulatory system transport?
Oxygen, carbon dioxide, nutrients, wastes, hormones, stem
cells
What does the circulatory protect the body from?
inflammation, infection, microorganisms/cancer cells, neutralize
toxins, initiate clotting
What does the circulatory system regulate?
fluid balance, stabilizes pH of ECF, temperature control
Plasma
, matrix of blood: clear, light yellow fluid, 92% water
What is the most abundant property of blood?
Plasma: 55% of whole blood
Buffy coat
white blood cells and platelets, less than 1%
Formed elements of blood
erythrocytes, leukocytes, platelets
Percentage of erythrocytes in whole blood
45%
Erthrocytes
red blood cells
Platelets
fragments of bone marrow cells (megakaryocytes)
Leukocytes
white blood cells
What are the 3 types of granulocytes?
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