Anatomy 207 Exam 1

A hematocrit provides information on - sedimentation rate. - clotting factors. - plasma composition. - formed elements abundance. - blood type.

- formed elements abundance.

Plasma proteins essential in body defense are the - albumins. - metalloproteins. - lipoproteins. - fibrinogens. - immunoglobulins.

- immunoglobulins.

When a person who lives at sea level vacations in the Rocky Mountains, you would expect - a drop in atmospheric oxygen levels. - an increase in red blood cell production. - the release of erythropoietin. - a rise in hematocrit. - All of the answers are correct.

- All of the answers are correct.

Plasma composes about ________ percent of whole blood and water composes ________ percent of the plasma volume. A) 55; 92 B) 92; 7 C) 92; 55 D) 45; 55 E) 50; 50

A) 55; 92

The combination of plasma and formed elements is called A) whole blood. B) serum. C) extracellular fluid. D) packed blood. E) lymph.

A) whole blood.

Which of the following statements about blood is false? A) Blood is more viscous than water. B) The normal pH of blood is 6.8 to 7.0. C) Blood is about 55 percent plasma. D) Blood contains buffers that control pH. E) Cells in blood comprise the formed elements.

B) The normal pH of blood is 6.8 to 7.0.

Which of the following is not a function of blood? A. transport of gases B. transport of nutrients and wastes C. produce hormones D. defense against toxins and pathogens E. transport of body heat

C. produce hormones

The level of erythropoietin in the blood would rise due to all of the following, except A) during anemia. B) at high altitudes. C) as a consequence of hemorrhage. D) during periods of fasting. E) when blood flow to the kidneys is disrupted.

D) during periods of fasting.

All of the following are components of the cardiovascular system except A. blood. B. capillaries. C. arteries. D. heart. E. lymph vessels.

E. lymph vessels.

Which plasma protein is a major contributor to the osmotic pressure of plasma?

albumin

The most abundant proteins in blood plasma are

albumins

Which of these is not one of the formed elements of blood?

antibodies

Each of the following is a way blood transports materials around the body except a. stored nutrients from the liver to the tissues b. nutrients from the digestive tract to the body c. carbon dioxide from the lungs to the tissues d. wastes from the cells to the kidneys e. hormones from the endocrine glands to the target cells

c. carbon dioxide from the lungs to the tissues

Red blood cell production is regulated by the hormone ________ which is mostly produced in the ________.

erythropoietin; kidneys

A plasma protein essential for blood coagulation is

fibrinogen

Which of the following plasma proteins function in clotting?

fibrinogens

The percent fraction of formed elements relative to whole blood is the

hemocrit

oxygenated blood

moves from heart to tissues in arteries

deoxygenated blood

moves from tissues to heart in veins

The chief difference between plasma and interstitial fluid involves the concentration of

proteins

When blood is fractionated, its components are ________ for the purpose of analysis.

separated

The normal pH of blood is

slightly alkaline.

Most of the protein factors that are required for clotting are synthesized by

the liver

Which organ secretes most of the plasma proteins?

the liver

Each of the following is a characteristic of whole blood except -a built-in system for clotting. -deep red color. -viscosity about the same as water. -the ability to neutralize acids. -the ability to absorb heat from active skeletal muscles.

viscosity about the same as water.

The most abundant component of plasma is

water

Blood

-Only liquid tissue -Connective tissue - cells suspended in liquid (plasma) -Moves in circulatory system

Formed elements make up about what percentage of blood?

45 percent

The total volume of blood in the body of an adult male is approximately ________ liters.

5 to 6 liters