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Flashcards in Chapter 44 Deck (39)
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1

Patients with hemophilia, full mouth scaling is not recommended because it presents a high risk of heavy and prolonged bleeding

Both the statement and the reason are correct

2

When bone marrow releases platelets into the bloodstream, the platelets travel throughout the body, transporting oxygen to the body’s organs and transporting carbon dioxide out. When an injury occurs, a chemical reaction is activated, which changes the surface of the platelet, making it sticky. This stick substance is known as fibrin.

Both statements are true

3

Which of these blood thinning drugs is a vitamin K antagonist?

Warfarin

4

Which of the following is not a cause of thrombocytopenia?

A decrease in spleen sequestration due to pregnancy or drug use

5

What causes neurotoxicity?

It is a side effect of certain classes of drugs, such as the vinca alkaloids

6

Which of the following is not a common oral complication of both chemotherapy and radiation

Neurotoxicity

7

Identify the blood count that represents thrombocytopenia

Less than 150,000

8

Identify the nutrient that when deficient can cause anemia associated with a bluish tint in the whites of the eyes

Iron deficiency

9

Which of these test does not determine bleeding time?

Complete blood count

10

Which level of the PTT signifies a severe bleeding problem?

Readings are longer than 50 seconds

11

Anticoagulants differ from antiplatelet agents in that they

Do not inhibit platelet aggression

12

What is the name of the white blood cell disorder in which there is uncontrolled growth of B lymphocytes that do not actually mature into plasma cells?

Hodgkin disease

13

What is the one option to treat minor bleeds during dental treatments for patients with mild hemophilia?

Administer desmopressin acetate

14

Changes of filiform papillae may result from a deficiency in which of these nutrients?

Iron deficiency
B12 deficiency

15

What of the following is not an oral manifestation of leukemia?

Enlarged spleen

16

What is the term for stiffness of a jaw that may result from higher doses of radiation and repeated radiation treatments of the head and neck?

Trismus

17

What is the best description for polycythemia?

Too many red blood cells are being produced

18

How does a person develop hemophilia A?

It is either inherited from the mother or a spontaneous mutation

19

The body is extremely dependent on his clotting function because a person could bleed to death if the blood forms clots quickly.

The statement is correct, but the reason is not

20

What is the most common inherited bleeding disorder?

Von Willebrand disease

21

A complete blood count test can determine whether blood clotting is normal. The CBC assesses red blood cells, white blood cells, and platelets.

Both statements are true

22

Which of the following blood disorders has a distinct characteristic blood cell shape that reflects a defect in its anatomy?

Sickle cell anemia

23

What does an international normalized ratio above 4.0 indicate?

The blood is not clotting enough to prevent bruising or uncontrolled bleeding should the person be injured.

24

What inherited bleeding disorder results from a missing or reduced proteins needed to form blood clots?

Hemophilia A

25

Use of antibiotics should be evaluated when combined with which of the following drugs because of its affect on vitamin K production?

Warfarin

26

In a patient with sickle cell anemia, the dental hygienist will notice excessive trabeculation and small, round spaces at the marrow loss on the patients radiographs. Lamina Dura often appears dance.

The first statement is false; the second is true

27

What is responsible for the formation of blood platelets?

Bone marrow

28

On reviews of the radiographs, the dental hygienist notices a loss of trabeculation and large, irregular shaped spaces of marrow loss. These signs are suggestive of which condition?

Sickle cell anemia

29

—— Anemia is the inability of the red blood cell to absorb vitamin B 12

Pernicious

30

An injury to the body activated stimulus that affects the production of what, which is a substance needed to formulate what?

Thromboxane, fibrin