HESI DENTAL HYGIENE EXIT EXAM QUESTIONS AND ANSWERS

HESI DENTAL HYGIENE EXIT EXAM
QUESTIONS AND ANSWERS
Question 1
Under the legal theory of respondent superior, which party is liable for damages to a
patient resulting from breach of confidence?
Correct Answer
Dentist



Question 2
which plays a key role in processes as cell permeability, active transport of material
and secretion
Correct Answer
water



Question 3
a pt has a pocket depth of 5 mm on the buccal distal; 4 mm on the direct buccal; & 3
mm on the buccal mesial of tooth #30. there is also 3 mm recession in all 3 areas.
which is the CAL, in mm, on the direct buccal surface?
Correct Answer
4mm PD + 3 mm recession= 7 mm CAL



Question 4
a pt trips & falls over a bucket that was placed in the hallway to catch water leaking
from the ceiling. the office is guilty of
Correct Answer
negligence




Page 1 of 591

,Question 5
The mesial furcation of a maxillary 1st molar is generally located towards the lingual
surface. Instrumentation of the mesial furcation of a maxillary 1st molar is best
accomplished when approached from the buccal surface.
Correct Answer
true, false



Question 6
Each of the following is a calcium blocking agent EXCEPT one. Which one is the
EXCEPTION?
Correct Answer
Propranolol (adrenergic blocking agent which reduces high blood pressure)



Question 7
Which peripheral nervous system and subdivision are responsible for a shutdown of
salivary gland secretion?
Correct Answer
autonomic; sympathetic



Question 8
Composite & porcelain restorations should be protected w/a thin layer of water
based lubricant before applying sodium fl. Dental sealants are unaffected by the
application of any fl tx & require no protect measure.
Correct Answer
Both statements are false



Question 9
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?
Correct Answer
First statement is true second statement is false




Page 2 of 591

,Question 10
A plaintiff cannot use the testimony of a specialist to establish the standard of care for
a general dentist because the courts require all dentists to properly diagnose disease.
Correct Answer
Bothe the statement and the reasons are correct but NOT related.



Question 11
as used in the dental setting, which stage of anesthesia is nitrous oxide
Correct Answer
I



Question 12
Which oral physiotherapy is indicated for a patient with type I embrasures?
Correct Answer
Dental floss



Question 13
which describes structures located on opposite sides of the body
Correct Answer
contralateral



Question 14
When developing oral hygiene instruction for an elderly patient, at what age should
the education material be directed?
Correct Answer
Functional

Functional age is based on performance capacities of the patient; educational
strategies are always based on a patient's functional ability.




Page 3 of 591

, Question 15
which position indicating device (PID) provides the best radiation protection for the
pt?
Correct Answer
rectangular



Question 16
Which oral finding is indicative of habitual thumb-sucking?
Correct Answer
Extreme over-jet of MX incisors



Question 17
the part of the neuron that conducts impulses away from the cell body is the
Correct Answer
axon



Question 18
The operator is cautioned to close his or her eyes when curing materials because
direct exposure to the intense blue light may damage the retina.
Correct Answer
The statement is NOT correct but the reason is correct



Question 19
Which ridge is a unique characteristic of permanent maxillary molars?
Correct Answer
Oblique




Page 4 of 591