WITH ACCURATE REAL EXAM QUESTIONS AND
ANSWERS WITH RATIONALES AND A STUDY GUIDE
1.
Question: Which three portions make up the temporal bones?
A. Frontal, mastoid, petrous
B. Squamous (vault), mastoid (base), petrous (base)
C. Parietal, squamous, sphenoid
D. Squamous, parietal, petrous
Correct Answer: B. Squamous (vault), mastoid (base), petrous (base)
Rationale: The temporal bone is classically divided into the squamous, mastoid, and petrous
portions.
2.
Question: The lamina papyracea is part of the:
A. Roof of the orbit
B. Lateral wall of the orbit
C. Medial wall of the orbit
D. Floor of the orbit
Correct Answer: C. Medial wall of the orbit
Rationale: The lamina papyracea is the thin portion of the ethmoid bone forming the medial
orbital wall.
3.
Question: The iris, choroid, and ciliary body all belong to the:
A. Cornea
B. Retina
C. Uvea
D. Lens
Correct Answer: C. Uvea
Rationale: The uvea (vascular layer of the eye) consists of the iris, ciliary body, and choroid.
1|Page
, CAISS FINAL EXAM BANK 2025 EXAM VERSIONS
WITH ACCURATE REAL EXAM QUESTIONS AND
ANSWERS WITH RATIONALES AND A STUDY GUIDE
4.
Question: Which three glands are traditionally included under the salivary glands?
A. Parotid, submandibular, sublingual
B. Thyroid, parotid, sublingual
C. Parotid, thymus, submandibular
D. Thyroid, submandibular, sublingual
Correct Answer: A. Parotid, submandibular, sublingual
Rationale: These are the three major salivary glands.
5.
Question: If a vessel injury is described only as “dissection” with no disruption, it should be
coded as:
A. Complete transection
B. Intimal tear, no disruption
C. Vessel laceration
D. Partial transection
Correct Answer: B. Intimal tear, no disruption
Rationale: A dissection without an external tear or disruption aligns with “intimal tear, no
disruption.”
6.
Question: “Scattered” lung contusions or lacerations should be coded as:
A. Bilateral or unilateral not further specified (NFS)
B. Multiple contusions, each coded individually
C. Bilateral complicated lacerations
D. Segmental contusions
Correct Answer: A. Bilateral or unilateral NFS
Rationale: AIS guidelines advise coding scattered contusions as unilateral or bilateral NFS if
specifics are not provided.
7.
Question: Cecum injuries are included with which codes?
, CAISS FINAL EXAM BANK 2025 EXAM VERSIONS
WITH ACCURATE REAL EXAM QUESTIONS AND
ANSWERS WITH RATIONALES AND A STUDY GUIDE
2|Page
, CAISS FINAL EXAM BANK 2025 EXAM VERSIONS
WITH ACCURATE REAL EXAM QUESTIONS AND
ANSWERS WITH RATIONALES AND A STUDY GUIDE
A. Stomach
B. Small intestine
C. Colon
D. Rectum
Correct Answer: C. Colon
Rationale: The cecum is considered part of the large intestine (colon).
8.
Question: Acromion fractures should be coded as:
A. Clavicle fracture
B. Scapula fracture, not further specified (NFS)
C. Proximal humerus fracture
D. Shoulder joint dislocation
Correct Answer: B. Scapula fracture NFS
Rationale: The acromion is part of the scapula.
9.
Question: Malgaigne’s fracture is a type of:
A. Hip fracture with posterior dislocation
B. Vertical shear pelvic fracture (complete disruption of pelvic ring)
C. Pelvic avulsion fracture at the iliac crest
D. Tibial plateau fracture
Correct Answer: B. Vertical shear pelvic fracture (complete disruption of pelvic ring)
Rationale: Malgaigne’s fracture involves vertical instability of the hemipelvis.
10.
Question: For hypothermia, when coding the temperature, do you round up or down?
A. Always round up
B. Always round down
C. Round to nearest integer
D. Neither; code to the whole number only
Correct Answer: D. Neither; code to whole number only
Rationale: AIS guidelines indicate to record temperature as a whole number, without rounding
up or down.