Question 1

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code:
-Are called regulatory T cells.

Accepted Answer

A)  applies to cytotoxic T cells
B)  applies to helper T cells
C)  applies to regulatory T cells
D)  applies to both helper T and regulatory T cells
E)  applies to all three types of T cells D

Question 2

The accompanying figure relates to the formation of a platelet plug. Match the steps highlighted in the figure (steps 1-5) with the statements using the letter key below.
-activated platelet release ADP

Accepted Answer

A)  Step 1
B)  Step 2
C)  Step 3
D)  Step 4
E)  Step 5 B

Question 3

Match the characteristics to the two types of body defenses.
-includes cell-mediated and humoral immunity

Accepted Answer

A)  non-specific defenses
B)  specific defenses B

Question 4

MATCHING
Match these blood disorders with their characteristics.
-Associated with acute loss of blood.

Accepted Answer

A)  aplastic anemia
B)  pernicious anemia
C)  hemolytic anemia
D)  hemorrhagic anemia
E)  polycythemiaF) leukemiaG) neutrophiliaH) sickle cell anemia

Question 5

Match the characteristics to the two types of body defenses.
-involves antibody production

Accepted Answer

A)  non-specific defenses
B)  specific defenses

Question 6

Chemotaxis refers to the ability of leukocytes to squeeze through small capillary pores.

Accepted Answer

A) True 
 B)False

Question 7

Hemoglobin

Accepted Answer

A)   consists of a protein made up of four highly folded polypeptide chains and four iron-containing nonprotein, nitrogenous groups.
B)   appears reddish when combined with O2 and bluish when deoxygenated.
C)   can combine only with O2.
D)   both (a)  and (b)  above are correct.
E)   all of these answers.

Question 8

Match hemostasis step with correct characteristic.
-vitamin K

Accepted Answer

A)  converts fibrinogen to fibrin.
B)  when platelets come into contact with this substance in an injured vessel wall, it causes them to adhere and aggregate.
C)  when activated, this substance digests the fibrin threads, causing dissolution of the clot.
D)  necessary for liver production of clotting factors
E)  first step in hemostasisF) forms the meshwork of the clot.G) a plasma protein activated by factor X.H) second step in hemostasis.I) released from injured tissues; activates extrinsic clotting pathway.J) third step in hemostasis.

Question 9

The enzyme that activates fibrinogen is ____________________.

Accepted Answer

The answer of The enzyme that activates fibrinogen is ____________________....

Question 10

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code:
-Are believed to play a role in tolerance.

Accepted Answer

A)  applies to cytotoxic T cells
B)  applies to helper T cells
C)  applies to regulatory T cells
D)  applies to both helper T and regulatory T cells
E)  applies to all three types of T cells

Question 11

The following questions refer to the accompanying diagram of the manifestations of inflammation. Six of the manifestations have been removed and replaced with letters A-F. Match the letter with list of missing terms below to complete the diagram.
-release of histamine by mast cells

Accepted Answer

The answer of  
The following questions refer to the...

Question 12

What chemical signal released by healthy endothelial tissue prevent over growth of platelet plugs?

Accepted Answer

A)   ATP.
B)   fibrinogen.
C)   prostacyclin.
D)   thromboxane.
E)   thrombopoietin.

Question 13

Vasodilation of the blood vessels supplying a tissue increases the flow of blood to that area.

Accepted Answer

A) True 
 B)False

Question 14

An increase in the circulating number of ____ is associated with parasite infestations.

Accepted Answer

A)   neutrophils.
B)   eosinophils.
C)   basophils.
D)   lymphocytes.
E)   monocytes.

Question 15

B lymphocytes

Accepted Answer

A)   are responsible for antibody-mediated immunity.
B)   are activated by thymosin.
C)   mature and differentiate into macrophages.
D)   bind with foreign antigen in association with self-antigen.
E)   are attacked by AIDS virus.

Question 16

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code:
-Serve to limit immune reactions in a check and balance relationship with the other lymphocytes.

Accepted Answer

A)  applies to cytotoxic T cells
B)  applies to helper T cells
C)  applies to regulatory T cells
D)  applies to both helper T and regulatory T cells
E)  applies to all three types of T cells

Question 17

Blood is a connective tissue comprised of cellular elements and an extracellular matrix comprised primarily of water. What is the name of the blood's extracellular matrix?

Accepted Answer

A)   hematocrit.
B)   fibrinogen.
C)   buffy coat.
D)   plasma.
E)   none of these answers.

Question 18

The rate of erythropoiesis normally increases in a person adjusting to higher altitudes.

Accepted Answer

A) True 
 B)False

Question 19

When small blood vessels are damaged, loss of blood is prevented by

Accepted Answer

A)   platelet aggregation.
B)   vasoconstriction of these vessels.
C)   formation of a platelet plug.
D)   all of these answers.
E)   none of these answers.

Question 20

Match the characteristics to the two types of body defenses.
-reacts differently depending on the pathogen

Accepted Answer

A)  non-specific defenses
B)  specific defenses

Exam 11: The Blood and Body Defenses

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code: -Are called regulatory T cells.

The accompanying figure relates to the formation of a platelet plug. Match the steps highlighted in the figure (steps 1-5) with the statements using the letter key below. -activated platelet release ADP

Match the characteristics to the two types of body defenses. -includes cell-mediated and humoral immunity

MATCHING Match these blood disorders with their characteristics. -Associated with acute loss of blood.

Match the characteristics to the two types of body defenses. -involves antibody production

Chemotaxis refers to the ability of leukocytes to squeeze through small capillary pores.

Hemoglobin

Match hemostasis step with correct characteristic. -vitamin K

The enzyme that activates fibrinogen is ____________________.

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code: -Are believed to play a role in tolerance.

The following questions refer to the accompanying diagram of the manifestations of inflammation. Six of the manifestations have been removed and replaced with letters A-F. Match the letter with list of missing terms below to complete the diagram. -release of histamine by mast cells

What chemical signal released by healthy endothelial tissue prevent over growth of platelet plugs?

Vasodilation of the blood vessels supplying a tissue increases the flow of blood to that area.

An increase in the circulating number of ____ is associated with parasite infestations.

B lymphocytes

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code: -Serve to limit immune reactions in a check and balance relationship with the other lymphocytes.

Blood is a connective tissue comprised of cellular elements and an extracellular matrix comprised primarily of water. What is the name of the blood's extracellular matrix?

The rate of erythropoiesis normally increases in a person adjusting to higher altitudes.

When small blood vessels are damaged, loss of blood is prevented by

Match the characteristics to the two types of body defenses. -reacts differently depending on the pathogen