Oral Pathology Chapters 4, 6, 7, 10 Practice Test

1.

1 point

All of the following are function or attributes of CD8+ or T cytotoxic cells EXCEPT one. Which ONE is the EXCEPTION?

Active in tissue and organ rejections

Destroy cells infected with viruses

Destroy cancer cells

Must be sensitized to an antigen by a T cell before it can function

Function without activation by a CD4+ T helper cell

2.

1 point

Receiving immunity from a polio vaccination is an example of which of the following?

Active, artificial immunity

Passive, natural immunity

Passive, artificial immunity

Cell-mediated immunity

Active, natural immunity

3.

1 point

Which of the following describes what happens to T lymphocytes when they mature is the thymus gland?

T cells are activate by antigens

T cells remain latent in the thymus until needed to initiate the immune response

T cells are presented to macrophages so that the macrophages are able to recognize the cells that they must present antigens to

T cells are imprinted with information for producing antibodies

T cells are processed to become self-tolerant

4.

1 point

Which of the following establishes a cellular link between the inflammatory response and the immune response?

T cytotoxic cells

T helper cells

Macrophage

Mast Cells

Neutrophil

5.

1 point

Which of the following antibodies is present in exocrine secretions?

IgD

IgG

IgA

IgM

IgE

6.

1 point

Which of the following would result in an autoimmune disease?

Chronic inflammation

Loss of self tolerance

A genetic defect in B cell functioning creating abnormal antibodies

Tissue or organ transplant

Infection with HIV

7.

1 point

Individuals with immune deficiency conditions are more susceptible to which of the following?

Traumatic injuries

Opportunistic infections

Genetic abnormalities

Nutritional disorders

Neurologic disorders

8.

1 point

The function of cytokines and other chemical mediators in the immune response is BEST defined by which of the following descriptors?

Induces natural killer cell activity

Terminates the immune system response

Increases bone resporption

Forms communication lines between cells

Regulates the immune response

9.

1 point

Low-molecular-weight substances that are unable to cause a hypersensitivity reaction unless bound to a human protein are known as which of the following?

Cytokines

Antibodies

Antigens

Allergens

Haptens

10.

1 point

Which of the following is not an allergic reaction?

Irritant contact dermatitis

Anaphylactic reaction

Atopic reaction

Type IV hypersenisitivity

Allergic contact dermatitis

11.

1 point

Hereditary gingival fibromatosis is difficult to treat BECAUSE excessive growth of tissue continues even after multiple surgeries to remove it.

The statement is NOT correct, but the reason is correct

NEITHER the statement NOR the reason is correct

Both the statement and the reason are correct and related

Both the statement and the reason are correct by not related

The statement is correct, but the reason is NOT

12.

1 point

Which one of the following characteristics is NOT associated with fetal alcohol syndrome?

Brain damage

Epicanthal folds

Stunted growth

Microcephaly

Frontal bossing

13.

1 point

Standard precautions used in the dental office could help to prevent which one of the following?

Treacher Collins syndrome

TORCH syndrome

Cleft lip and/or palate

Papillon-Lefevre syndrome

Fetal alcohol syndrome

14.

1 point

Individuals with trisomy 21 have many problems. What congenital medical condition is of concern to the dental professional and should be identified prior to providing dental hygiene care?

Attention deficit disorder

Impaired hearing

Macroglossia

Heart defects

Facial hypoplasia

15.

1 point

Which of the following genetic disorders follows an autosomal recessive inheritance pattern?

Marfan syndrome

Trisomy 21

Cleidocranial dysplasia

Papillon-Lefevre syndrome

Treacher Collins syndrome

16.

1 point

Immaculate oral health and excellent home care techniques are essential for those at increased risk for infective endocarditis BECAUSE oral infections increase the risk of a self-induced bacteremia.

The statement is NOT correct, but the reason is correct

Both the statement and the reason are correct and related

NEITHER the statement NOR the reason is correct

The statement is correct, but the reason is NOT

Both the statement and the reason are correct but not related

17.

1 point

Which of the following terms refers to the actual genetic makeup of an individual, not just the observable characteristics?

Genotype

Phenotype

Genome

Polymorphism

Penetrance

18.

1 point

Which of the following intra-oral findings is associated with Papillon-Lefevre syndrome?

Xerostomia

Rampant caries

Periodontal disease

Hypoplastic teeth

Cleft lip and/or palate

19.

1 point

Which on of the following disorders is associated with many supernumerary teeth?

Klinefelter syndrome

Turner syndrome

Trisomy 21

Cleidocranial dysplasia

Ectodermal dysplasia

20.

1 point

The most common form of ectodermal dysplasia follows which one of the following inheritance patterns?

Autosomal dominant

X linked

Abnormal chromosome number

Abnormal chromosome structure

Autosomal recessive

21.

1 point

Which one of the following functions as BOTH an exocrine and endocrine gland?

Adrenal

Thymus

Parathyroid

Pancreas

Parotid

22.

1 point

The pituitary gland releases it's hormones in response to changes in the body BECAUSE it serves as the central receiving area for input from the nervous system.

NEITHER the statement NOR the reason is correct

Both the statement and the reason are correct by NOT related

The statement is NOT correct, but the reason is correct

Both the statement and the reason are correct and related

The statement is correct, but the reason is NOT

23.

1 point

Which one of the following statements related to gestational diabetes mellitus is true?

GDM occurs in women with type 1 diabetes mellitus

Mothers who have a single pregnancy are at a greater risk of developing type 2 diabetes within 5 to 10 years

Babies born to mother who have GDM have a greater change of being obese

GDM can result in the birth of a smaller than normal baby

Babies born to mother who have GDM have a greater chance of being diagnosed with type 1 diabetes when they are mature.

24.

1 point

Individuals with diabetes mellitus type 2 do not have an increased need for insulin BECAUSE their beta cells have not been destroyed by an autoimmune process.

Both the statement and the reason are correct but NOT related

NEITHER the statement NOR the reason is correct

The statement is NOT correct, but the reason is correct

Both the statement and the reason are correct and related

the statement is correct, but the reason is not.

25.

1 point

Each of the following statements about prediabetes is true EXCEPT one. Which ONE is the EXCEPTION?

Prediabetes does not increase the risk for development of any of the long-term complications associated with diabetes mellitus

Maintaining a normal weight and engaging in appropriate physical activity can decrease the risk for prediabtetes

Prediabtetes always precedes the development of type 2 diabetes

Acanthosis nigricans is associated with prediabtetes

Obesity and physical inactivity are risk factors for prediabetes

26.

1 point

Which one of the following statements best explains how a goiter forms?

Rising levels of thyroid hormones signals the hypothalamus to stop secreting thyrotropin releasing hormone

Low levels of thyroid hormone cause continued release of TSH by the pituitary gland

Inadequate production of thyroid hormone stimulates follicular cells to produce additional hormone

Excessive dietary iodine causes hyperplasia of follicular cells

Goiters are always caused by neoplastic growths

27.

1 point

Which of the following substances is created by endocrine glands to regulate the function of target tissues?

Hormones

Neurotransmitters

Prostaglandins

Releasing factors

Chemotactic agents

28.

1 point

Which one of the following is associated with too much insulin?

Hypoglycemia

Diabetes insipidus

Cushing syndrome

Hyperosmolar hyperglycemic state

Diabetic ketoacidosis

29.

1 point

The most common cause of Cushing's syndrome in the United States at this time is related to which of the following?

Adrenal hypoplasia

Pituitary tumors

Hypertyroidism

Adrenal tumors

Medical use of steroids

30.

1 point

Which one of the following disorders would result in loss of the lamina dura?

Hyperthyroidism

Hyperparathryroidism

Hypopituitarism

Hypoparathyroidism

Diabetes insipidus

31.

1 point

Hypercementosis is associated with which one of the following?

Paget disease

Fibrous dysplasia

Osteoprorosis

Osteoarthritis

Heberden nodes

32.

1 point

Dental biofilm is considered to be an etiologic agent for which one of the following?

Common Cold

Tuberulosis

Influenza

Ventilator associated pneumonia

Reye syndrome

33.

1 point

Oral manifestations of asthma are associated with all of the following EXCEPT ONE. Which ONE is the EXCEPTION?

Oral medication

Xerostomia

Diet

Inhaled medication

Acid reflus

34.

1 point

Multidrug and extensively drug-resistant strains of Mycobacterium tuberculosis are commonly seen today BECAUSE patients do not always complete the prescribed course of treatment.

The statement is correct, but the reason is NOT

Both the statement and the reason are correct but not related

NEITHER the statement NOR the reason is correct

Both the statement and the reason are correct and related

The statement is NOT correct, but the reason is correct

35.

1 point

Young children should be given aspirin to help lower fevers associated with viral infections BECAUSE aspirin is an effective antipyrexia medication.

The statement is correct, but the reason is NOT

Both the statement and the reason are correct but NOT related

NEITHER the statement NOR the reason is correct

Both the statement and the reason are correct and related

The statement is NOT correct, but the reason is correct

36.

1 point

Influenza can be prevented by the use of which of the following?

Vitamin C supplements

Oral antimicrobial rinses

Corticosteroids

Prophylactic antibiotics

Vaccinations

37.

1 point

Trigeminal neuralgia is associated with which one of the following?

Neck and shoulder pain

Chronic painful nerve impulses

Facial numbness or paresthesia

Visual disturbances

Unilateral facial paralysis

38.

1 point

Oral and perioral manifestations of fibrous dysplasia are seen most often with which form of the disorder?

Jaffe-Lichtenstein syndrome

Polyostotic

Monstotic

Cherubism

McCune-Albright syndrome

39.

1 point

An infection acquired in a hospital or long-term care facility is know as which one of the following?

Iatrogenic

Nosocomial

Edogenous

Endemic

Epidemic

40.

1 point

All of the following are transmitted genetically or have strong genetic predispositions EXCEPT one. Which ONE is the EXCEPTION?

Rheumatoid arthritis

Bells palsy

Cherubism

Peutz-Jeghers syndrome

Cystic fibrosis