Free Oral Manifestations of Systemic Disease MCQs with Answers
309 Oral Manifestations of Systemic Disease MCQs from Oral Pathology and Medicine, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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309 questions · page 8 of 16
- A. Trigeminal
- B. Facial
- C. Glossopharyngeal
- D. Occulomotor nurve
Explanation: Ramsay Hunt syndrome is herpes zoster infection of the geniculate ganglion, affecting the facial nerve, cranial nerve VII.
Correct answer: Facial- A. Orthomyxo virus
- B. EB virus
- C. Rheno virus
- D. Paramyxo virus
Explanation: Mumps is caused by the mumps virus, an enveloped RNA virus traditionally classified in the Paramyxovirus group.
Correct answer: Paramyxo virus- A. All of the above
- B. Oral hairy leukoplakia
- C. Gingivitis/periodontitis
- D. Kaposi's sarcoma
Explanation: Late HIV infection can produce Kaposi sarcoma, Epstein-Barr virus-associated oral hairy leukoplakia, and severe gingival or periodontal…
Correct answer: All of the above- A. CD8
- B. CD4
- C. Monocytes
- D. Lymphocytes
Explanation: HIV primarily infects CD4-positive helper T lymphocytes through the CD4 receptor, causing progressive cellular immunodeficiency.
Correct answer: CD4- A. Rubella
- B. Cytomegalovirus
- C. Measles
- D. Herpes simplex
Explanation: Rubella, cytomegalovirus, and herpes simplex virus can produce congenital fetal abnormalities, whereas measles is not classically listed…
Correct answer: Measles- A. Hairy leukoplakia
- B. Erythroplakia
- C. Oral lichen planus
- D. Bullous pemphigoid
Explanation: Oral hairy leukoplakia is strongly associated with HIV-related immunosuppression and is caused by Epstein-Barr virus, typically affecting…
Correct answer: Hairy leukoplakia- A. cells of the surface epithelium
- B. Stromal connective tissue
- C. Nuclei of the striated muscle cells
- D. Cytoplasm of the striated muscle cells
Explanation: In lingual amyloidosis, amyloid accumulates mainly in the stromal connective tissue and around vessels, producing enlargement and firmness…
Correct answer: Stromal connective tissue- A. Vitamin B deficiency
- B. Vitamin C deficiency
- C. Syphilis
- D. Iron deficiency
Explanation: Luetic glossitis is a manifestation of syphilis, particularly in later disease, and may cause atrophy, fissuring and loss of lingual…
Correct answer: Syphilis- A. nicotinic acid
- B. thiamine
- C. Riboflavin
- D. pyridoxine
Explanation: A magenta or purplish-red tongue is a classic oral sign of riboflavin deficiency, often accompanied by cheilosis and angular fissures.
Correct answer: Riboflavin- A. Leprosy
- B. Syphilis
- C. Tuberculosis
- D. None of the above
Explanation: Primary amyloidosis is caused by deposition of immunoglobulin light-chain amyloid and is not secondary to infections such as tuberculosis…
Correct answer: None of the above- A. Melanoma
- B. Melasma
- C. Freckle
- D. Cafe-au-lait-spots
Explanation: Melasma is acquired, bilateral facial hyperpigmentation that is intensified by sunlight and associated with pregnancy or oral…
Correct answer: Melasma- A. Toxicity of silver
- B. Toxicity of lead
- C. Toxicity of Mercury
- D. Toxicity of Tetracycline
Explanation: Pink disease, or acrodynia, is a childhood manifestation of mercury poisoning and may include painful extremities, sweating, irritability…
Correct answer: Toxicity of Mercury- A. Addision's disease
- B. Peutz-Jeghers syndorme
- C. Hyper pituitarism
- D. Von recklinghausen disease
Explanation: Multiple café-au-lait macules are characteristic of neurofibromatosis type 1, also called von Recklinghausen disease.
Correct answer: Von recklinghausen disease- A. Erythroblastosis fetalis
- B. Fluorosis
- C. Tetracycline therapy Fluorosis
- D. None of the above
Explanation: Green intrinsic staining of teeth can result from bilirubin deposition during erythroblastosis fetalis, a haemolytic disease of the…
Correct answer: Erythroblastosis fetalis- A. Ulcerations of oral mucosa
- B. Sebaceous glands of oral mucosa
- C. None of the above
- D. Silver pigmentation of oral mucosa
Explanation: Peutz-Jeghers syndrome causes multiple mucocutaneous melanin macules, especially on the lips and buccal mucosa.
Correct answer: None of the above- A. Neuro fibromatosis
- B. fibrous dysplasia
- C. Addison's disease
- D. None of the above
Explanation: Neurofibromatosis may produce café-au-lait macules and other brownish pigmentation despite normal routine laboratory findings.
Correct answer: Neuro fibromatosis- A. Hyperthyroidsim
- B. addison's disease
- C. Nephritis
- D. All of the above
Explanation: Adrenal insufficiency in Addison disease increases melanocyte-stimulating hormone activity, producing diffuse skin and oral melanin…
Correct answer: addison's disease- A. Epulis
- B. Melanoma
- C. Melasma
- D. Melanosis
Explanation: Pregnancy-related facial melanin hyperpigmentation is called melasma, also known as chloasma or the mask of pregnancy.
Correct answer: Melasma- A. Encephalitis
- B. GIT disturbances
- C. Peripheral neuritis
- D. Hallucinations
Explanation: Lead poisoning commonly causes gastrointestinal symptoms, peripheral neuropathy, and encephalopathy, particularly in severe exposure.
Correct answer: Hallucinations- A. Peutz-Jeghers syndrome
- B. Plummer-Vinson syndrome
- C. Lead poisoning
- D. Bechet's syndrome
Explanation: Peutz-Jeghers syndrome causes multiple mucocutaneous melanin macules, especially around the lips and oral cavity.
Correct answer: Peutz-Jeghers syndrome