Deck 44: Hematological Considerations

Question 1

Vitamin K is utilized by the body to produce enzymes that

A) Convert to fibrin
B) Produce red blood cells
C) Alter blood cell anatomy

Answer 1

Convert to fibrin

Question 2

Spontaneous bleeding may occur if the platelet count is below

A) 50,000 to 60,000 cells/mm
B) 70,000 to 80,000 cells/mm
C) 140,000 to 150,000 cells/mm
D) 150,000 to 160,000 cells/mm

Answer 2

50,000 to 60,000 cells/mm

Question 3

Hepatitis reduces the liver's ability to produce fibrin,resulting in large blood clot formation and an increased risk of stroke.Hepatitis is often characterized by jaundice.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.

Answer 3

The first statement is false; the second is true.

Question 4

A condition in which the blood platelet count is below 150,000 is called

A) Thrombocytopenia
B) Prothrombin deficiency
C) Hypothrombin disorder
D) Partial thromboplastin deficiency

Question 5

The most common cancer in children is also a white blood cell disorder called

A) Leukemia
B) Polycythemia
C) Hodgkin disease
D) Aplastic anemia

Question 6

The clotting of blood is called

A) Homeostasis
B) Hemostasis
C) Hemosiderosis
D) Hemorrhoids

Question 7

Each of the following drugs affects clotting EXCEPT one.Which one is the EXCPETION?

A) Aspirin
B) Plavix
C) Warfarin
D) Metformin

Question 8

Dental hygiene considerations for patients with anemia include

A) Nutritional counseling and oral health instruction
B) Short appointments and small procedural areas
C) Discontinuation of medication and physician consultation
D) Review of international normalized ratio values and physician consultation

Question 9

The sticky substance that forms on blood platelets after an injury occurs,causing the platelets to stick to each other,is known as

A) Plaque
B) Fibrin
C) Hemoglobin
D) Statin

Question 10

Each of the following tests measure clotting time EXCEPT one.Which one is the EXCEPTION?

A) International normalized ratio
B) Prothrombin time
C) Complete blood count
D) Partial thromboplastin time

Question 11

The dental hygienist should recommend which of the following for the patient in active treatment for leukemia?

A) Floss at least three times per day.
B) Postpone dental hygiene care until treatment is complete.
C) Use fluoride gel after meals and before bedtime.
D) No modifications in oral hygiene care are needed.

Question 12

The most common inherited bleeding disorder is

A) Hemophilia
B) von Willebrand disease
C) Anemia
D) Celiac sprue

Question 13

Which blood disorder is characterized by crescent-shaped red blood cells and abnormal hemoglobin?

A) Celiac sprue
B) von Willebrand disease
C) Pernicious anemia
D) Sickle cell anemia

Question 14

Each of the following are dental hygiene considerations for hemophilia patients EXCEPT one.Which one is the EXCEPTION?

A) Physician consultation for international normalized ratio
B) Physician consultation for replacement factor
C) Full mouth scaling to reduce number of appointments
D) Desmopressin acetate for minor bleeds

Question 15

International normalized ratio values are requested prior to scaling and root planning procedures for the patient taking which medication?

A) Plavix
B) Coumadin
C) Aspirin
D) Amoxicillin

Question 16

Each of the following deficiencies may cause anemia EXCEPT one.Which one is the EXCEPTION?

A) Iron
B) Vitamin K
C) Vitamin D
D) Folic acid

Question 17

Each of the following is an oral manifestation of leukemia EXCEPT one.Which one is the EXCEPTION?

A) Enlarged tonsils
B) Enlarged parotid gland
C) Enlarged lymph nodes
D) Enlarged gingiva

Question 18

Lack of intrinsic factor causes pernicious anemia,resulting in fatigue and shortness of breath.Patients with pernicious anemia require vitamin B₁₂ injections.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.

Question 19

Dental hygiene considerations for a patient who is on a low-dose aspirin regimen who experiences increased bleeding during periodontal therapy procedures include

A) Discontinuing use of aspirin 1 week prior to next appointment
B) Frequent suctioning of blood so as not to alarm patient
C) Applying firm pressure to bleeding sites and patient education
D) Obtaining the prescribing physician's clearance for treatment

Question 20

Each of the following are oral manifestations of celiac sprue EXCEPT one.Which one is the EXCEPTION?

A) Loss of papilla on the tongue
B) Burning tongue syndrome
C) Ulcerated oral mucosa
D) Stomatitis