HESI Practice Test *Scientific Basis*

Under which classification of gingival diseases and conditions is puberty-associated gingivitis found?

A patient presents with a short, thick lingual frenum that results in limited tongue movement affecting speech. Which is teh most likely diagnosis of this condition?

When is tooth eruption complete?

When does mixed dentition begin?

What is the number of successional (succedaneous) teeth in the permanent dentition?

The junction of a buccal and lingual triangular ridge is a transverse ridge. The oblique ridge of a molar is a transverse ridge.

Which factor makes aging enamel less susceptible to caries?

Which groove is the most identifying characteristic of a three-cusp mandibular second premolar?

Which is true regarding the height of contour of a tooth?

How many primary and permanent teeth are typically present in an eight-year-old child?

Which describes the junction of two surfaces of a crown?

Which G. V. Black classification involves the proximal surfaces of anterior teeth including the incisal edge or angle?

Which ridge is a unique characteristic of permanent maxillary molars?

Which division of the fifth cranial nerve innervates the temporomandibular joint?

Facial paralysis can result from damage to the motor neurons of which cranial nerve?

Which is the target area for the inferior alveolar nerve block?

Which salivary gland is unencapsulated?

Which type of joint is the temporomandibular joint?

Which peripheral nervous system and subdivision are responsible for a shutdown of salivary gland secretion?

Destroyed enamel cannot reform since the cells that formed it no longer exist. Cavitated enamel can repair itself by the incorporation of calcium and phosphate ions from saliva.

Which bacterium is most important in causing the progression of carious lesions?

Anaerobe bacteria

Which bacterial structure interferes with phagocytosis

Which bacteria grow best in refrigerated conditions?

Endotoxin is a virulence property of

When comparing viruses to bacteria, viruses

Which is treated with Nystatin?

Which is detected in the blood within two months after successful immunization with the hepatitis B vaccine?

Which hypersensitivity reaction is an allergy to the natural rubber latex in examination gloves?

Which bacterial genus contains species taht causes rheumatic fever, scarlet fever, and pharyngitis?

Each of the following is an antituberculin agent EXCEPT one. Which one is the EXCEPTION?

Which condition warrants antibiotic premedication?

It is noted on the medical history the patient has mitral valve prolapse, a stent, rheumatic heart disease, and a renal dialysis shunt. For which condition dose the patient require antibiotic premedication?

A patient's prescription has the abbreviate "qid". How frequently should the medication be taken?

Which schedule of controlled substance is indicated when a prescription states, No refills?

Which vitamin deficiency results from long-term recreational abuse of nitrous oxide?

Each of the following is a calcium blocking agent EXCEPT one. Which one is the EXCEPTION?

Which food is a good source of Vitamin K?

Which medication is administered to manage an acute asthma attack?

Lipitor is a/an:

Consuming foods high in retinols will help prevent night blindness because vitamin D helps absorb calcium.

Which meal lacks an excellent source of vitamin C?

Which element is found in proteins and not carbohydrates?

Some of vitamin K requirements are met through the synthesis of

Which vitamin is associated with the deficiency beriberi?

Which is primarily responsible for pharmacologic metabolism?

Which procedure establishes the most definitive diagnosis for oral cancer?

A 17-year-old presents for third molar evaluation. The panoramic radiograph reveals the apical third of roots #1 and #2 have fused together. Which best defines this anomaly?

A patient's intraoral examination reveals a well-circumscribed, raised lesion along the lateral border of the tongue. The lesion is soft, deep purple and measures approximately 2 mm in diameter. The patient believes it first appeared after accidentally biting the tongue. Which best defines the lesion?

Intraoral lesions may occur with each of the following conditions EXCEPT one. Which one is the EXCEPTION?

Which infections disease is NOT caused by the coxsackievirus?

In which region dose an early symptom of measles appear?

A pregnant woman reports a freely moveable, deep red tissue mass, which extends from the labial gingiva between maxillary right premolars. The surface of the lesion is ulcerated and bleeds easily. A histologic analysis indicates the lesion is composed of connective tissue, capillaries and inflammatory cells. Which best defines the lesion?

A patient's buccal mucosa exhibits tiny white nodules connected by slender raised lines in a lace-like pattern. This finding is a clinical manifestation of:

The parents of a 7 year-old are concerned by the development of a soft, blue, vesicle-like swelling on the gingiva where tooth #8 is expected to erupt. No significant radiographic findings exist other than the partial eruption of tooth #8. Which course of action is recommended?

Which best describes the etiology of pemphigus vulgaris?

The most common tumor of the salivary glands is ranula. A ranula is clinically found on the floor of the mouth.

During pregnancy, when do most embryonic cleft malformations occur?

Where is chronic atrophic candidiasis most likely found?

Which description best explains the phenomenon of referred pain?