CAISS EXAM 2025 WITH ACTUAL QUESTIONS AND ANSWERS 100% CORRECT

CAISS EXAM 2025 WITH ACTUAL QUESTIONS AND ANSWERS 100%
CORRECT

Question 1
What is the downward displacement of the most medially-placed cerebral structures through the
tentorial notch, caused by a supratentorial mass, exerting pressure on underlying structures
including the brain stem?
A) Cerebellar tonsillar herniation
B) Central herniation
C) Subfalcine herniation
D) Transtentorial herniation (general)
E) Tentorial Herniation
Correct Answer: E) Tentorial Herniation
Rationale: Tentorial Herniation is defined as "Downward displacement of the most
medially-placed cerebral structures through the tentorial notch, caused by a supratentorial
mass. Pressures is exerted on underlying structures including the brain stem."

Question 2
"Transentorial Herniation" is synonymous with which other term?
A) Subfalcine Herniation
B) Central Herniation
C) Cerebellar Tonsillar Herniation
D) Tentorial Herniation
E) Upward Herniation
Correct Answer: D) Tentorial Herniation
Rationale: Transentorial Herniation is equivalent to "Tentorial Herniation."

Question 3
"Uncal Herniation" is synonymous with which other term?
A) Subfalcine Herniation
B) Central Herniation
C) Cerebellar Tonsillar Herniation
D) Tentorial Herniation
E) Upward Herniation
Correct Answer: D) Tentorial Herniation
Rationale: Uncal Herniation is equivalent to "Tentorial Herniation."
Question 4
What is a general term for a depression or pit at the part of an organ where the vessels and nerves
enter?
A) Fossa
B) Sinus
C) Foramen
D) Sulcus

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E) Hilum
Correct Answer: E) Hilum
Rationale: Hilum is defined as "A general term for a depression or pit at the part of an
organ where the vessels and nerves enter."
Question 5
What is an accumulation of extravasated serous fluid in the extradural space, occasionally seen
as chronic sequelae of cerebral contusions?
A) Hematoma
B) Edema
C) Hydrocephalus
D) Encephalocele
E) Hygroma
Correct Answer: E) Hygroma
Rationale: Hygroma is defined as "Accumulation of extravasated serous fluid in the
extradural space."

Question 6
What term describes decreased sensitivity to pain?
A) Anesthesia
B) Paresthesia
C) Dysesthesia
D) Hyperalgesia
E) Hypalgesia
Correct Answer: E) Hypalgesia
Rationale: Hypalgesia is defined as "Decreased sensitivity to pain."

Question 7
What term describes abnormally decreased sensitivity, particularly to touch?
A) Anesthesia
B) Paresthesia
C) Dysesthesia
D) Hyperesthesia
E) Hypesthesia
Correct Answer: E) Hypesthesia
Rationale: Hypesthesia is defined as "Abnormally decreased sensitivity, particularly to
touch."
Question 8
What term describes something induced inadvertently by a physician or their treatment
procedure?
A) Congenital

, [Type here]

B) Idiopathic
C) Cryptogenic
D) Spontaneous
E) Iatrogenic
Correct Answer: E) Iatrogenic
Rationale: Iatrogenic is defined as "Induced inadvertently by a physician or their treatment
procedure."

Question 9
What is the lower portion of the small intestine, extending from the jejunum to the large
intestine?
A) Duodenum
B) Jejunum
C) Colon
D) Cecum
E) Ileum
Correct Answer: E) Ileum
Rationale: Ileum is defined as "Lower portion of the small intestine, extending from the
jejunum to the large intestine."

Question 10
A Pseudoaneurysm should be coded as what?
A) Minor vein laceration.
B) Major artery laceration.
C) Major vein laceration.
D) Minor artery laceration.
E) Artery contusion.
Correct Answer: D) Minor artery laceration.
Rationale: Pseudoaneurysm is coded as "minor artery laceration."

Question 11
Is Hemoperitoneum a codable sequela?
A) Yes
B) No
Correct Answer: B) No
Rationale: Hemoperitoneum is stated as "F" (False) for being a codable sequela.

Question 12
When there is a documented injury to the spinal cord such as compression, epidural or subdural
hemorrhage associated with a fracture and there is no neurologic deficit, the coder must chose to
either code the cord injury OR the fracture. Is it true or false that current rules prohibit coding
both?