Question 1

What WBCC (white blood cell count)  would be indicative of an acute infection such as appendicitis?

Accepted Answer

A)   2,500 white blood cells per microliter of blood
B)   6,500 white blood cells per microliter of blood
C)   10,000 white blood cells per microliter of blood
D)   16,500 white blood cells per microliter of bloodE) B) and C)
F) A) and B)

Question 2

What test is used to determine the percentage of each type of leukocyte present in a patient's blood sample?

Accepted Answer

A)   Hematocrit
B)   DIFF count
C)   White blood cell count
D)   Crossmatch testE) All of the above
F) C) and D)

Question 3

Define the term hematocrit.

Accepted Answer

A)   The percent of red blood cells in a blood sample
B)   A disease caused by abnormal red blood cell levels
C)   A clotting factor
D)   The pigment that gives red blood cells their colorE) A) and B)
F) A) and C)

Question 4

Which plasma component is a nonprotein nitrogenous substance?

Accepted Answer

A)   Glucose
B)   Calcium
C)   Creatinine
D)   CholesterolE) A) and B)
F) A) and C)

Question 5

In what clinical situation would use of tissue plasminogen activator (tPA)  be appropriate?

Accepted Answer

A)   Stroke or heart attack
B)   Severe hemorrhaging
C)   Acute infection
D)   LeukemiaE) B) and C)
F) A) and C)

Question 6

A patient who has a platelet count of 75,000 per microliter of blood will likely exhibit which of the following symptoms?

Accepted Answer

A)   Increased risk of internal bleeding
B)   Increased risk of deep vein thrombosis
C)   Increased risk of anemia
D)   Increased risk of developing an infectionE) A) and C)
F) All of the above

Question 7

What is the function of the hormone thrombopoietin?

Accepted Answer

A)   It stimulates platelet formation.
B)   It inhibits platelet formation.
C)   It stimulates thrombus formation.
D)   It inhibits megakaryocyte formation.E) A) and B)
F) A) and C)

Question 8

A thrombus is an abnormal clot that forms in a blood vessel. If the clot or a part of it breaks away into the circulation, it becomes an embolus.

Accepted Answer

A) True 
 B)False

Question 9

List two factors that function to dissolve blood clots.

Accepted Answer

A)   Thrombus and embolus
B)   Urokinase and streptokinase
C)   Calcium ions and prothrombin activator
D)   Vitamin K and calciumE) B) and C)
F) All of the above

Question 10

In determining Carolyn's blood type, a sample of her blood agglutinated when mixed with anti-B antiserum. It also agglutinated when mixed with anti-Rh antiserum. There was no reaction when mixed with anti-A antiserum. What is Carolyn's blood type?

Accepted Answer

A)   Type A-
B)   Type A+
C)   Type B-
D)   Type B+
E)   Type O+F) A) and C)
G) A) and D) D

Question 11

Mature red blood cells cannot divide, do not synthesize hemoglobin, and cannot undergo aerobic respiration.

Accepted Answer

A) True 
 B)False

Question 12

The formation of a blood clot requires all of these compounds except __________.

Accepted Answer

A)   calcium
B)   fibrinogen
C)   prothrombin
D)   albumin
E)   vitamin KF) D) and E)
G) C) and E)

Question 13

Which are the most abundant plasma electrolytes?

Accepted Answer

A)   Sodium and chloride ions
B)   Sodium and potassium ions
C)   Potassium and calcium ions
D)   Potassium and chloride ionsE) B) and C)
F) A) and D)

Question 14

What would be found on the surface of red blood cells in an individual with blood type AB?

Accepted Answer

A)   Antigens A and B
B)   Antigen A only
C)   Antigen B only
D)   Neither antigen A nor BE) All of the above
F) A) and B)

Question 15

Which compound serves as an enzyme in the blood coagulation mechanism?

Accepted Answer

A)   Thrombin
B)   Prothrombin
C)   Fibrinogen
D)   FibrinE) A) and D)
F) None of the above A

Question 16

What is the average life span of an erythrocyte?

Accepted Answer

A)   3 months
B)   4 months
C)   6 months
D)   1 year
E)   2 yearsF) A) and E)
G) A) and D) B

Question 17

Platelets release the vasoconstricting substance called __________ as a platelet plug forms.

Accepted Answer

A)   collagen
B)   serotonin
C)   fibrin
D)   acetylcholineE) A) and B)
F) C) and D)

Question 18

In an adult, red blood cells are primarily produced in the __________.

Accepted Answer

A)   red bone marrow
B)   liver
C)   major blood vessels
D)   spleenE) All of the above
F) B) and C)

Question 19

What term refers to the process that stops bleeding?

Accepted Answer

A)   Hemolysis
B)   Hemostasis
C)   Agglutination
D)   HematopoiesisE) A) and D)
F) A) and B)

Question 20

What type of leukocyte can potentially live for years?

Accepted Answer

A)   Basophils
B)   Eosinophils
C)   Lymphocytes
D)   Monocytes
E)   NeutrophilsF) A) and D)
G) All of the above

Exam 12: Blood

What WBCC (white blood cell count) would be indicative of an acute infection such as appendicitis?

Correct AnswerverifiedShow Answer

What test is used to determine the percentage of each type of leukocyte present in a patient's blood sample?

Correct AnswerverifiedShow Answer

Define the term hematocrit.

Correct AnswerverifiedShow Answer

Which plasma component is a nonprotein nitrogenous substance?

Correct AnswerverifiedShow Answer

In what clinical situation would use of tissue plasminogen activator (tPA) be appropriate?

Correct AnswerverifiedShow Answer

A patient who has a platelet count of 75,000 per microliter of blood will likely exhibit which of the following symptoms?

Correct AnswerverifiedShow Answer

What is the function of the hormone thrombopoietin?

Correct AnswerverifiedShow Answer

A thrombus is an abnormal clot that forms in a blood vessel. If the clot or a part of it breaks away into the circulation, it becomes an embolus.

Correct AnswerverifiedShow Answer

List two factors that function to dissolve blood clots.

Correct AnswerverifiedShow Answer

In determining Carolyn's blood type, a sample of her blood agglutinated when mixed with anti-B antiserum. It also agglutinated when mixed with anti-Rh antiserum. There was no reaction when mixed with anti-A antiserum. What is Carolyn's blood type?

Correct AnswerverifiedD

Mature red blood cells cannot divide, do not synthesize hemoglobin, and cannot undergo aerobic respiration.

Correct AnswerverifiedShow Answer

The formation of a blood clot requires all of these compounds except __________.

Correct AnswerverifiedShow Answer

Which are the most abundant plasma electrolytes?

Correct AnswerverifiedShow Answer

What would be found on the surface of red blood cells in an individual with blood type AB?

Correct AnswerverifiedShow Answer

Which compound serves as an enzyme in the blood coagulation mechanism?

Correct AnswerverifiedA

What is the average life span of an erythrocyte?

Correct AnswerverifiedB

Platelets release the vasoconstricting substance called __________ as a platelet plug forms.

Correct AnswerverifiedShow Answer

In an adult, red blood cells are primarily produced in the __________.

Correct AnswerverifiedShow Answer

What term refers to the process that stops bleeding?

Correct AnswerverifiedShow Answer

What type of leukocyte can potentially live for years?

Correct AnswerverifiedShow Answer

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