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17. The Blood

Introduction To Blood

17. The Blood

Introduction To Blood

Guided videos.

Learn with Jason

Go to the course

Functions of Blood

Functions of Blood

Jason Amores Sumpter

Composition of Blood

Composition of Blood

Jason Amores Sumpter

Introduction to Blood Example 2

Introduction to Blood Example 2

Jason Amores Sumpter

Introduction to Blood Example 1

Introduction to Blood Example 1

Jason Amores Sumpter

Additional 6 creators.

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Primary Functions Of Blood - Components Of Blood

Primary Functions Of Blood - Components Of Blood

Blood Components

Blood Components

Dr Matt & Dr Mike

Composition of Blood

Composition of Blood

The Composition and Function of Blood

The Composition and Function of Blood

Professor Dave Explains

The Circulatory System: Functions of Blood - Explained in 2 minutes!

The Circulatory System: Functions of Blood - Explained in 2 minutes!

6 Functions of blood || Explained in 1 min

6 Functions of blood || Explained in 1 min

Blood, Part 1 - True Blood: Crash Course Anatomy & Physiology #29

Blood, Part 1 - True Blood: Crash Course Anatomy & Physiology #29

PE: The Components of Blood

PE: The Components of Blood

Showing 9 of 9 videos

Practice this topic

Multiple Choice

Plasma accounts for _____% of all blood, and water accounts for _____% of plasma.

Has a video solution.

Multiple Choice

The most numerous formed element in blood are the ____________, and their function is ____________.

Has a video solution.

Multiple Choice

The percentage of blood volume occupied by erythrocytes is called the __________.

Multiple Choice

Which of the following is NOT a role of albumin?

Multiple Choice

Which of the following is a characteristic of a mature erythrocyte?

Multiple Choice

One molecule of hemoglobin can bind a maximum of __________ oxygen molecules.

Multiple Choice

Erythropoiesis is best defined as __________.

Multiple Choice

Erythropoietin (EPO) is made primarily by the __________.

Multiple Choice

Aging red blood cells are fragmented and trapped in the __________.

Multiple Choice

Platelets are derived from __________.

Multiple Choice

A healthy adult male has approximately __________ liters of blood.

Multiple Choice

A major plasma protein that maintains the blood osmotic pressure is __________.

Multiple Choice

Granulocytes do NOT include __________.

Multiple Choice

Mature red blood cells in the circulating blood are filled primarily with __________.

Multiple Choice

The most numerous leukocyte is the __________.

Multiple Choice

The terms biconcave and anucleated apply to __________.

Multiple Choice

Which of the following is a protective function of blood?

Multiple Choice

Which of the following is a function of erythrocytes?

Multiple Choice

The percentage of total volume used to determine the number of erythrocytes in a blood sample is referred to as the __________.

Multiple Choice

The buffy coat that appears after a sample of blood has been centrifuged contains __________.

Multiple Choice

Which of the following factors has the greatest effect on making RBCs very efficient oxygen transporters?

Textbook Question

The blood volume in an adult averages approximately a. 1 L, b. 3 L, c. 5 L, d. 7 L.

Has a video solution.

Textbook Question

Multiple Choice More than one choice may apply. Which would lead to increased erythropoiesis? a. Chronic bleeding ulcer b. Reduction in respiratory ventilation c. Decreased level of physical activity d. Reduced blood flow to the kidneys

Has a video solution.

Textbook Question

The hormonal stimulus that prompts red blood cell formation is a. serotonin, b. heparin, c. erythropoietin, d. thrombopoietin.

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Textbook Question

The formed elements of the blood include (a) plasma, fibrin, and serum, (b) albumins, globulins, and fibrinogen, (c) WBCs, RBCs, and platelets, (d) all of these.

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Textbook Question

All of the following are true of RBCs except a. biconcave disc shape, b. life span of approximately 120 days, c. contain hemoglobin, d. contain nuclei.

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Textbook Question

Blood temperature is approximately___ , and blood pH averages___. (a) 36 °C, 7.0, (b) 39 °C, 7.8, (c) 38 °C, 7.4, (d) 37 °C, 7.0

Has a video solution.

Textbook Question

Plasma contributes approximately_____ percent of the volume of whole blood, and water accounts for percent of the plasma volume. (a) 55, 92, (b) 25, 55, (c) 92, 55, (d) 35, 72.

Has a video solution.

Textbook Question

Blood proteins play an important part in a. blood clotting, b. immunity, c. maintenance of blood volume, d. all of the above.

Has a video solution.

Textbook Question

Serum is (a) the same as blood plasma, (b) plasma minus the formed elements, (c) plasma minus the proteins, (d) plasma minus fibrinogen, (e) plasma minus the electrolytes

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Textbook Question

The normal pH of the blood is about a. 8.4, b. 7.8, c. 7.4, d. 4.7.

Has a video solution.

Textbook Question

What five major functions are performed by blood?

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Textbook Question

a. List the three major categories of formed elements. b. Which is least numerous? c. Which comprise(s) the buffy coat in a hematocrit tube?

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Textbook Question

Multiple Choice More than one choice may apply. Plasma without the clotting proteins is called a. serum. b. whole blood. c. fibrin. d. tissue factor.

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Textbook Question

Name the three major types of plasma proteins and identify their functions,

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Textbook Question

Albumin a. is a blood buffer. b. helps maintain blood's osmotic pressure. c. distributes body heat. d. transports certain molecules.

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Textbook Question

If you had a high hematocrit, would you expect your hemoglobin determination to be low or high? Why?

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Textbook Question

a. Describe the process of erythropoiesis. b. What name is given to the immature cell type released to the circulation? c. How does it differ from a mature erythrocyte?

Has a video solution.

Textbook Question

Name as many different categories of substances carried in plasma as you can.

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Textbook Question

Name the formed elements that arise from myeloid stem cells. Name those arising from lymphoid stem cells.

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Textbook Question

a. Describe the appearance of platelets and state their major function. b. Why should platelets not be called 'cells'?

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Textbook Question

Erythropoietin directly stimulates RBC formation by (a) increasing rates of mitotic divisions in erythroblasts, (b) speeding up the maturation of red blood cells, (c) accelerating the rate of hemoglobin synthesis, (d) all of these.

Has a video solution.

Textbook Question

If you had a high hematocrit, would you expect your hemoglobin determination to be high or low? Why?

Has a video solution.

Textbook Question

Discuss hemoglobin relative to its chemical structure, its function, and the color changes it undergoes during loading and unloading of oxygen.

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Textbook Question

A middle-aged college professor from Boston is in the Swiss Alps studying astronomy. He arrived two days ago and plans to stay the entire year. However, he notices that he is short of breath when he walks up steps and that he tires easily with any physical activity. His symptoms gradually disappear; after two months, he feels fine. Upon returning to the United States, he has a complete physical exam and is told that his erythrocyte count is higher than normal. (a) Attempt to explain this finding. (b) Will his RBC count remain at this higher-than-normal level? Why or why not?

Has a video solution.

Textbook Question

Relate the structure of hemoglobin to its function,

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Textbook Question

Which of the following is not a formed element of blood?

a. Erythrocyte

b. Leukocyte

c. Mast cell

d. Platelet

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Textbook Question

Which of the following plasma proteins is responsible for osmotic pressure?

a. γ-Globulins

b. Albumin

c. α-Globulins

d. Clotting proteins

Has a video solution.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. Erythrocytes are biconcave discs with prominent nuclei.

Has a video solution.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

b. The main function of erythrocytes is to transport oxygen on the protein hemoglobin.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

c. Hemoglobin forms oxyhemoglobin when it binds to oxygen.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. Hemoglobin consists of two polypeptide chains bound to a heme group.

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Textbook Question

Erythropoiesis requires stimulation from the hormone:

a. thrombin.

b. thrombopoietin.

c. thymosin.

d. erythropoietin.

Has a video solution.

Textbook Question

Fill in the blanks: Erythrocytes are derived from stem cells called____ , circulate in the blood for approximately _______days, and are destroyed by an organ called the ______ .

Has a video solution.

Textbook Question

Platelets are derived from cells called:

a. thromboblasts.

b. leukoblasts.

c. megakaryocytes.

d. thrombokaryocytes.

Has a video solution.

Textbook Question

Explain how blood, being a liquid, enables all its components (formed elements and plasma) to perform their functions.

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Textbook Question

Suppose your blood is AB positive. This means that a. agglutinogens A and B are present on your red blood cells, b. there are no anti-A or anti-B antibodies in your plasma, c. your blood is Rh⁺ d. all of the above.

Has a video solution.

Textbook Question

Cancer patients being treated with chemotherapeutic drugs designed to destroy rapidly dividing cells are monitored closely for changes in their red and white blood counts. Why so?

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Textbook Question

Mr. Chu has been scheduled for surgery to have his arthritic hip replaced. His surgeon tells him he must switch from aspirin to acetaminophen for pain control before his surgery. Why?

Has a video solution.

Textbook Question

Which type of antibodies does plasma contain for each of the following blood types? (a) type A, (b) type B, (c) type AB, (d) type O.

Has a video solution.

Textbook Question

A difference between the A, B, and O blood types and the Rh factor is (a) Rh agglutinogens are not found on the surface of red blood cells, (b) Rh agglutinogens do not produce a cross-reaction, (c) individuals who are Rh− do not carry agglutinins to Rh factor unless they have been previously sensitized, (d) Rh agglutinogens are found free in the plasma, (e) Rh agglutinogens are found bound to plasma proteins.

Has a video solution.

Textbook Question

How can liver dysfunction cause bleeding disorders?

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Textbook Question

A bone marrow biopsy of Mr. Lee, a man on long-term drug therapy, shows an abnormally high percentage of nonhematopoietic connective tissue. What condition does this indicate? If the symptoms are critical, what short-term and long-term treatments are indicated? Which treatment is he more likely to be given: infusion of whole blood or of packed red cells?

Has a video solution.

Textbook Question

Which of the following antibodies does a person with type O+ blood have in his or her plasma?

a. Anti-A antibodies

b. Anti-B antibodies

c. Anti-Rh antibodies

d. Both a and b are correct.

e. All of the above

Has a video solution.

Textbook Question

Mr. Reczkiewicz has blood type AB−. Which of the following blood types could be safely donated to Mr. Reczkiewicz, assuming he has had prior exposure to Rh+ blood? (Circle all that apply.)

a. Type O+

b. Type A−

c. Type B−

d. Type AB+

e. Type O−

Has a video solution.

Textbook Question

Fill in the blanks: The two most clinically important groups of antigens on erythrocytes are the______and______blood groups.

Has a video solution.

Textbook Question

Ms. Wu, whose blood type is O−, requires a blood transfusion. Her family members volunteer to donate blood. Their blood types are as follows: her son, type B−; her husband, type B+; her daughter, type O+. Which family members could safely donate blood to Ms. Wu? Who could not? Explain.

Has a video solution.

Textbook Question

Predict the effects of each of the following on systemic arterial blood pressure:

c. Blood loss from a bleeding ulcer

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