All Free Oral Pathology and Medicine MCQs with Answers

• A. ulcer
• B. vesicle
• C. papule
• D. Bullae

Explanation: The initial visible lesion in herpes simplex is a small fluid-filled vesicle, which soon ruptures to form an ulcer.

• A. 13-16 years
• B. 6-12 years
• C. 1-5 years
• D. They are likely to occur equally at any age

Explanation: Primary herpetic gingivostomatitis is most common in young children, especially from about 6 months to 5 years, when maternal antibodies…

• A. Aphthous ulcers
• B. Lesions of Behcet's syndrome
• C. koplick spots
• D. Herpes simplex

Explanation: Recurrent HSV lesions favor keratinized mucosa, including the hard palate and attached gingiva, whereas aphthous ulcers usually affect…

• A. herpangina
• B. lymphoma
• C. infectious mononucleosis
• D. herpes

Explanation: Coxsackie A virus commonly causes herpangina, with small vesicles and ulcers on the soft palate and posterior pharynx.

• A. Rubella
• B. Scarlet fever
• C. Herpangina
• D. Herpetic gingivostomatitis

Explanation: Fever followed by discrete vesicles and ulcers on the soft palate and pharynx is the classic pattern of herpangina, usually caused by…

• A. Herpes
• B. Pemphigus
• C. Recurrent apthae
• D. Pyogenic granuloma

Explanation: Herpes, pemphigus, and pyogenic granuloma can involve the gingiva, whereas recurrent aphthae usually affect non-keratinized mucosa such as…

• A. 55-60 yrs. of age
• B. 12-15 yrs. of age
• C. 25-30 yrs. of age
• D. < 10 yrs. of age

Explanation: Primary herpes simplex infection commonly occurs during childhood, often before 10 years of age, and may present as acute herpetic…

• A. Coxsackie virus
• B. Herpes simplex virus
• C. Measles virus
• D. Varicella zoster virus

Explanation: Herpangina is an acute enteroviral infection caused mainly by Coxsackie A viruses.

• A. Herpes zoster
• B. Hand, Mouth & foot disease
• C. Small pox
• D. Measles

Explanation: Coxsackievirus, especially Coxsackie A16, causes hand, foot, and mouth disease, with oral vesicles or ulcers accompanied by lesions on the…

• A. Ciprofloxacin
• B. Penicillin
• C. Tetracycline
• D. Acyclovir

Explanation: Acyclovir inhibits herpesvirus DNA polymerase and is used for clinically significant HSV lesions, particularly when started early.

• A. Recurrent herpes labialis
• B. Syphilis
• C. Carcinoma
• D. Traumatic aphthous ulcer

Explanation: Recurrent herpes labialis shows site specificity because recurrences characteristically appear at or near the same mucocutaneous junction…

• A. chicken pox
• B. Herpes zoster
• C. Herpes simplex
• D. Poliomyelitis

Explanation: Varicella-zoster virus remains latent in sensory root or cranial nerve ganglia after chickenpox.

• A. It is preceded by prodromal symptoms
• B. It is unilateral in nature
• C. Ulcers relationship seen on the anterior faucial pillars
• D. Viral etiology

Explanation: Herpangina mainly affects the posterior oral cavity, including the soft palate, uvula and anterior faucial pillars, whereas primary…

• A. pemphigoid
• B. erythema multiforme
• C. pemphigus
• D. Viral fever

Explanation: A short prodrome of fever and constitutional symptoms commonly precedes viral illnesses by about one to two days.

• A. May cause Dysphagia
• B. May lead to high grade fever
• C. May lead to vesicles formation in Anterior part of mouth around 20-30 in number
• D. Anterior portion of mouth have only minor vesicles

Explanation: Herpangina can produce high fever, sore throat and dysphagia, with multiple small vesicles or ulcers in the posterior mouth.

• A. Ziduvidine
• B. Acyclovir
• C. Kenalog in orabase
• D. All of the above

Explanation: Early systemic acyclovir can reduce the duration and severity of primary herpetic gingivostomatitis by inhibiting viral DNA replication.

• A. Etiological agents differ
• B. The acute form occurs only inversely immuno compromised individuals
• C. The patient has received antibodies during intrauterine life and the antibodies have persisted
• D. The primary infection was subclinical

Explanation: The initial HSV infection is often subclinical or so mild that the patient does not remember having primary herpetic gingivostomatitis.

• A. Herpes zoster
• B. Herpes simplex
• C. Uveoparotid fever
• D. Aphthous stomatitis

Explanation: Herpes zoster results from reactivation of varicella-zoster virus in a sensory ganglion, causing inflammation and a painful vesicular…

• A. First manifestation of measles
• B. Is first manifestation but seldom seen
• C. Are seen 2-3 days after cutaneous rashes
• D. Rarely seen in measles

Explanation: Koplik spots are an early mucosal sign of measles, appearing on the buccal mucosa shortly before the skin rash; they may be missed because…

• A. Bacteriophages
• B. Negri bodies
• C. Lipschutz bodies
• D. Donavan bodies

Explanation: Lipschütz bodies are intranuclear inclusion bodies associated with herpesvirus infection, reflecting viral replication within infected…