HESI Dental Hygiene Exam ( Test Bank )
( Latest ) Actual Questions and Answers 100% Correct
1. Which bacterial structure interferes with phagocytosis?:
Answer:
capsule
2. Which bacteria grow best in refrigerated conditions?:
Answer:
Psychrophils
3. Endotoxin is a virulence property of:
Answer:
gram-negative bacteria
4. When comparing viruses to bacteria, viruses:
Answer:
enter host cells before they can multiply
5. Which is treated with nystatin?:
Answer:
Candidiasis
6. Which is detected in the blood within two months after successful
immunization
with the hepatitis B vaccine?:
Answer:
Anti-HBs
7. Which hypersensitivity reaction is an allergy to the natural rubber latex
in examination gloves?:
Answer:
,I
8. Which bacterial genus contains species that cause pneumatic fever,
scarlet fever, and pharyngitis?:
Answer:
Streptococcus
9. Each of the following is an antituberculin agent EXCEPT one. Which is
the EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin:
Answer:
C. Nizoral
10. Which condition warrants antibiotic premedication?:
Answer:
Repaired congenital heart disease
11. It is noted the medical history the patient has mitral valve prolapse, a
stent, pneumatic heart disease, and a renal dialysis shunt. For which condition
does the patient require antibiotic predication?:
Answer:
Renal dialysis shunt
12. Under which classification of gingival diseases and conditions is
puberty-associated gingivitis found?:
Answer:
Plaque-Induced Gingival diseases modified by systemic factors
13. A patient presents with a short, thick lingual frenum that results in
limitedtongue movement affecting speech. Which is the most likely
diagnosis of this condition?:
Answer:
,Ankyloglossia
14. When is tooth eruption complete?:
Answer:
Tooth has made contact with its antagonists in opposing jaw
15. When does mixed dentition begin?:
Answer:
Eruption of first permanent tooth
16. How many succedaneous teeth are in permanent dentition?:
Answer:
20
17. The junction of a buccal and lingual triangular ridge is a transverse
ridge.The oblique ridge of a maxillary molar is an example of a transverse
ridge.-:
Answer:
The first statement is true and the second is false
18. Which factor makes aging enamel less susceptible to caries?:
, Answer:
Reduced permeability
19. Which groove is the most identifying characteristic of a three-
cuspmandibular second premolar?:
Answer:
Distolingual
20. Which is true regarding the height of contour?:
Answer:
Greatest elevation of tooth either incisocervically or occlusocervically
21. How many primary and permanent teeth are typically present in an eight
yr old child?:
Answer:
14 primary; 10 permanent
22. Which describes the junction of two surfaces of a crown?:
Answer:
line angle
23. Which G.V. Black classification involves the proximal surfaces of anterior
teeth including the incised edge or angle?:
Answer:
IV
24. Which ridge is a unique characteristic of permanent maxillary molars?:
Answer:
-Oblique
25. Which division of the fifth cranial nerve innervates the temporomandibular
joint?:
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