CSTR EXAM WITH QUESTIONS AND
100% CORRECT ANSWERS| APPROVED
BY EXPERT| 2025 BRAND NEW UPDATE.
Epidermis - ANSWER ✔✔ the outermost layer of skin overlying the dermis
Skull Vault - ANSWER ✔✔ formed by the cranial (calvarium) bones: frontal, parietal, temporal,
and occiput
Skull Base - ANSWER ✔✔ the bones of the base of the skull form three depressions referred to
as fossa
Anterior cranial fossa - ANSWER ✔✔ portion of the internal base of the skull which supports
the frontal lobes of the brain; also the location of the cribriform plate (ethmoid), frontal and
sphenoid bones
Middle cranial fossa - ANSWER ✔✔ a butterfly-shaped portion of the internal base of the skull;
middle floor area of the skull where the temporal lobes are supported; the body and greater wings
of the sphenoid bone and the squamous and petrous portions of the temporal bone are also
located in this area
Posterior cranial fossa - ANSWER ✔✔ internal posterior base of the skull where the cerebellum,
pons and medulla oblongata rest
1. The xiphoid process is located in the - ANSWER ✔✔ 1. Chest
2. How many body regions are represented by the Abbreviated Injury Sale coding system -
ANSWER ✔✔ 6
3. The American College of surgeon's recommends which of the following percentages of
patients for data validation? - ANSWER ✔✔ 5%-10%
4. Subluxation of a joint is best described as a - ANSWER ✔✔ a. Comminuted fracture
b. Rupture of supporting ligaments
c. Partial dislocation between 2 bones
d. Total loss of contact between 2 bones.
5. Which of the following is a system related event? - ANSWER ✔✔ a. blood availability
b. wound dehiscence
c. medication error by a nurse
d. delay in physician diagnosis
, 6. In which of the following fractures is a bone splintered or crushed? - ANSWER ✔✔ d.
Comminuted
Looking for missing registry data is a method of data - ANSWER ✔✔ d. abstracting
8. If the E code place of occurrence for industrial place and premises is E849, what is the fourth
digit? - ANSWER ✔✔ d. 3
9. According to AIS methodology, which of the following is an example of a severe injury? -
ANSWER ✔✔ a. splenic hematoma
b. comminuted femur fracture
c. bilateral pulmonary contusion
d. traumatic below knee amputation
10. What is the Glasgow Coma Score of a patient who does not have altered mental status? -
ANSWER ✔✔ d. E4+V5+M6=15
11. According to the National Trauma Data Standards, a complication occurs - ANSWER ✔✔ a.
at home
b. during the injury event
c. during the hospital stay
d. after discharge from the hospital
12. A patient with an AIS value of 6 has an Injury Severity Score of - ANSWER ✔✔ a. 6
b. 12
c. 36
d. 75
13. Which of the following is most characteristic of process improvement activities? - ANSWER
✔✔ a. Unannounced site review visits
b. Designed to decrease variation in care
c. Decision making controlled by medical directors
d. Assignment of liability to responsible individuals
14. If a 45 year old woman involved in a motor vehicle crash has an injury to her cystic duct, the
injury should be coded as part of the - ANSWER ✔✔ a. Liver
b. Kidney
c. Ureter
d. Gallbladder
15. The ICD-10-Cm is a classification system that - ANSWER ✔✔ a. classifies injuries by
severity
b. assesses cognitive functioning
c. arranges diseases and injuries into groups
d. lists diseases and injuries by body region
100% CORRECT ANSWERS| APPROVED
BY EXPERT| 2025 BRAND NEW UPDATE.
Epidermis - ANSWER ✔✔ the outermost layer of skin overlying the dermis
Skull Vault - ANSWER ✔✔ formed by the cranial (calvarium) bones: frontal, parietal, temporal,
and occiput
Skull Base - ANSWER ✔✔ the bones of the base of the skull form three depressions referred to
as fossa
Anterior cranial fossa - ANSWER ✔✔ portion of the internal base of the skull which supports
the frontal lobes of the brain; also the location of the cribriform plate (ethmoid), frontal and
sphenoid bones
Middle cranial fossa - ANSWER ✔✔ a butterfly-shaped portion of the internal base of the skull;
middle floor area of the skull where the temporal lobes are supported; the body and greater wings
of the sphenoid bone and the squamous and petrous portions of the temporal bone are also
located in this area
Posterior cranial fossa - ANSWER ✔✔ internal posterior base of the skull where the cerebellum,
pons and medulla oblongata rest
1. The xiphoid process is located in the - ANSWER ✔✔ 1. Chest
2. How many body regions are represented by the Abbreviated Injury Sale coding system -
ANSWER ✔✔ 6
3. The American College of surgeon's recommends which of the following percentages of
patients for data validation? - ANSWER ✔✔ 5%-10%
4. Subluxation of a joint is best described as a - ANSWER ✔✔ a. Comminuted fracture
b. Rupture of supporting ligaments
c. Partial dislocation between 2 bones
d. Total loss of contact between 2 bones.
5. Which of the following is a system related event? - ANSWER ✔✔ a. blood availability
b. wound dehiscence
c. medication error by a nurse
d. delay in physician diagnosis
, 6. In which of the following fractures is a bone splintered or crushed? - ANSWER ✔✔ d.
Comminuted
Looking for missing registry data is a method of data - ANSWER ✔✔ d. abstracting
8. If the E code place of occurrence for industrial place and premises is E849, what is the fourth
digit? - ANSWER ✔✔ d. 3
9. According to AIS methodology, which of the following is an example of a severe injury? -
ANSWER ✔✔ a. splenic hematoma
b. comminuted femur fracture
c. bilateral pulmonary contusion
d. traumatic below knee amputation
10. What is the Glasgow Coma Score of a patient who does not have altered mental status? -
ANSWER ✔✔ d. E4+V5+M6=15
11. According to the National Trauma Data Standards, a complication occurs - ANSWER ✔✔ a.
at home
b. during the injury event
c. during the hospital stay
d. after discharge from the hospital
12. A patient with an AIS value of 6 has an Injury Severity Score of - ANSWER ✔✔ a. 6
b. 12
c. 36
d. 75
13. Which of the following is most characteristic of process improvement activities? - ANSWER
✔✔ a. Unannounced site review visits
b. Designed to decrease variation in care
c. Decision making controlled by medical directors
d. Assignment of liability to responsible individuals
14. If a 45 year old woman involved in a motor vehicle crash has an injury to her cystic duct, the
injury should be coded as part of the - ANSWER ✔✔ a. Liver
b. Kidney
c. Ureter
d. Gallbladder
15. The ICD-10-Cm is a classification system that - ANSWER ✔✔ a. classifies injuries by
severity
b. assesses cognitive functioning
c. arranges diseases and injuries into groups
d. lists diseases and injuries by body region
