A&P Ch 19.1-19.3 - Blood functions, composition & Plasma

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By helping to maintain pH and body temperature, blood functions in the maintenance of .

homeostasis

Blood is comprised of cells and cell fragments, together called "formed elements", suspended in a liquid matrix called blood .

plasma

The complex mixture of water, proteins, nutrients, electrolytes, wastes, hormones and gases is called .

plasma

About 55% of the blood volume consists of and approximately 45%. of the blood volume consists of elements.

plasma, formed

Blood's homeostatic functions include ______. Select all that apply. 1. regulating pH 2. regulating body temperature 3. regulation of sleep/wake cylces 4. protect against infection

1, 2, 4

By volume, blood is typically ______% plasma and ______% formed elements. a. 55, 45 b. 45, 55

a. 55, 45

List the three primary types of plasma proteins. a. Collagen, albumin, globulin b. Albumin, fibrinogen, globulin c. Fibrinogen, globin, collagen

b. Albumin, fibrinogen, globulin

Most adults have ______ liters of blood. a. 2-4 b. 7-9 c. 4-6 d. 1-2

c. 4-6

the cells and cell fragments of blood are called......: the liquid matrix of blood is called plasma

formed elements

Describe how blood helps maintain homeostasis. Select all that apply. 1. secretion of neuropeptides 2. transport of nutrients 3. stabilization of body fluids 4. limits spread of pathogens 5. transport of carbon dioxide

2, 3, 4, 5

Indicate the three primary types of plasma proteins. Select all that apply. 1. globin 2. globulin 3. collagen 4. albumin 5. fibrinogen

2, 4, 5

The type of plasma protein that forms the threadlike proteins formed in blood clotting is ______. a. fibrinogen b. collagen c. globulin d. albumin

a. fibrinogen

The globulins are important plasma proteins that functions primarily in ______. a. immunity b. pH control c. gas transport d. hormonal regulation

a. immunity

The most abundant type of molecule in blood plasma is ______. a. protein b. oxygen c. glucose

a. protein

Maintaining plasma colloid osmotic pressure is primarily accomplished by the plasma protein called .

albumin

An adult patient is brought into the emergency room of a local hospital. The EMTs report the patient lost about 300 cc (cubic centimeters or milliliters) of blood. Is this life-threatening? a. Yes, 300 cc represents about 1/3 of the blood's volume. b. No, most adults have 4-6 liters of blood so a loss of 300 cc would not be life threatening. c. Yes, 300 cc represents about 1/6 of the body's total blood volume of 2 liters. d. No, most adults have more than 7 liters of blood so a loss of 300 cc would not be life threatening

b. No, most adults have 4-6 liters of blood so a loss of 300 cc would not be life threatening.

Indicate which type of plasma protein has a role in immunity and the immune response. a. albumin b. globulins c. fibrinogen

b. globulin

What is fibrinogen? a. One of the factors that determines blood type b. An enzyme in red blood cells that activates carbon dioxide c. A plasma protein that plays a role in clot formation d. A plasma protein that transports substances in the blood

c. A plasma protein that plays a role in clot formation

Name the plasma protein that is important in regulating the movement of water between the tissues and the blood. a. collagen b. fibrinogen c. albumin d. globulin

c. albumin

Plasma proteins are _____ in the blood. a. the least abundant suspended substances b. found mainly in the tissues and occasionally c. the most abundant suspended substances d. responsible for carrying oxygen

c. the most abundant suspended substances

What is plasma? a. The liquid component of the blood plus the platelets b. A protein that cleaves prothrombin to form thrombin c. An enzyme found in blood that dissolves blood clots d. The water, proteins, nutrients, wastes, hormones and gases in blood

d. The water, proteins, nutrients, wastes, hormones and gases in blood

Regulation of pH and body temperature, transport and protection are all functions of the ______. a. respiratory system b. urinary system c. nervous system d. circulatory system

d. circulatory system

Blood consists of a matrix of plasma and cells; blood is a subtype of ______ tissue. a. nerve b. epithelial c. muscle d. connective

d. connective

Blood, a type of connective tissue, is composed of ______. a. epithelium and free space b. astrocytes and serum c. smooth muscle and epithelium d. matrix and formed elements

d. matrix and formed elements


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