NBSTSA CSFA Exam Prep 1 | Complete
Practice Exam Questions with Verified
Correct Answers & Detailed Rationales |
Latest Update 2026/2027 Edition
Question 1
A complication of steep reverse Trendelenburg position is:
A. Deep vein thrombosis
B. Arterial compression
C. Cardiac overload
D. Respiratory alkalosis
Answer: A
Rationale: Steep reverse Trendelenburg position can cause venous pooling in the
lower extremities, leading to deep vein thrombosis.
Question 2
Which of the following positions should be utilized for posterior colpotomy?
A. Prone
B. Supine
C. Lithotomy
D. Fowler's
Answer: C
Rationale: Lithotomy position provides optimal access for vaginal procedures such as
posterior colpotomy.
Question 3
Which of the following BEST prevents hypothermia in the OR?
A. Forced air warming blanket
B. Warmed IV solution
C. Warmed irrigation solution
D. Multiple layers of warm blankets
Answer: A
pg. 1
,Rationale: Forced air warming blankets are the most effective method for preventing
hypothermia by providing consistent, controlled warmth.
Question 4
OR humidity must be maintained between which of the following ranges?
A. 5% to 20%
B. 20% to 60%
C. 40% to 80%
D. 50% to 90%
Answer: B
Rationale: OR humidity must be maintained between 20% and 60% to prevent static
electricity and bacterial growth.
Question 5
An important process in which all team members must participate just prior to incision
is called the:
A. Huddle
B. Timeout
C. Debriefing
D. Consent
Answer: B
Rationale: The timeout is a mandatory safety check performed immediately before
incision to verify patient identity, procedure, and site.
Question 6
Which of the following is Mohs surgery used to treat?
A. Malignant melanoma and basal cell carcinoma
B. Basal cell and squamous cell carcinoma
C. Malignant melanoma and squamous cell carcinoma
D. Basal cell and Merkel cell carcinoma
Answer: B
Rationale: Mohs surgery is primarily used for basal cell and squamous cell
carcinomas.
pg. 2
,Question 7
When reviewing the chart for a patient scheduled for a mammoplasty, it is noticed that
the patient's K+ is 5.4. The patient is suffering from which of the following?
A. Hyperkalemia
B. Hypokalemia
C. Hypercalcemia
D. Hypocalcemia
Answer: A
Rationale: Normal potassium range is 3.5-5.0 mEq/L. A K+ of 5.4 indicates
hyperkalemia.
Question 8
Which of the following are the preferred positioning devices used during surgical
procedures?
A. Foam pads
B. Saline bags
C. Gel pads
D. Sheet rolls
Answer: C
Rationale: Gel pads are preferred as they provide superior pressure distribution and
patient comfort.
Question 9
When inserting a Foley catheter into a male patient, the surgical first assistant
encounters difficulty. Which of the following is the NEXT step that the surgical first
assistant should take?
A. Proceed with force until the catheter goes in
B. Stop attempting and notify the surgeon
C. Abort the surgical procedure
D. Obtain a new kit and try again
Answer: B
Rationale: Forcing a catheter can cause urethral injury. The surgeon should be notified
immediately.
pg. 3
, Question 10
Which of the following could occur as a result of a tourniquet causing excessive pressure
on the nerves?
A. Paralysis
B. Ischemia
C. Hematoma
D. Necrosis
Answer: A
Rationale: Excessive tourniquet pressure on nerves can cause paralysis due to nerve
damage.
Question 11
Which of the following positions is used for an LAVH?
A. Reverse Trendelenburg
B. Supine
C. Lateral recumbent
D. Lithotomy
Answer: D
Rationale: Lithotomy position provides access for both vaginal and laparoscopic
instruments during LAVH.
Question 12
Which of the following types of positioning injury occurs when underlying tissue is
stationary while the skeletal structure moves?
A. Friction injury
B. Pressure injury
C. Shear injury
D. Negativity injury
Answer: C
Rationale: Shear injury occurs when the skeletal structure moves while the underlying
tissue remains stationary.
Question 13
Which of the following patient positions would be MOST likely to cause an obturator
nerve injury?
pg. 4
Practice Exam Questions with Verified
Correct Answers & Detailed Rationales |
Latest Update 2026/2027 Edition
Question 1
A complication of steep reverse Trendelenburg position is:
A. Deep vein thrombosis
B. Arterial compression
C. Cardiac overload
D. Respiratory alkalosis
Answer: A
Rationale: Steep reverse Trendelenburg position can cause venous pooling in the
lower extremities, leading to deep vein thrombosis.
Question 2
Which of the following positions should be utilized for posterior colpotomy?
A. Prone
B. Supine
C. Lithotomy
D. Fowler's
Answer: C
Rationale: Lithotomy position provides optimal access for vaginal procedures such as
posterior colpotomy.
Question 3
Which of the following BEST prevents hypothermia in the OR?
A. Forced air warming blanket
B. Warmed IV solution
C. Warmed irrigation solution
D. Multiple layers of warm blankets
Answer: A
pg. 1
,Rationale: Forced air warming blankets are the most effective method for preventing
hypothermia by providing consistent, controlled warmth.
Question 4
OR humidity must be maintained between which of the following ranges?
A. 5% to 20%
B. 20% to 60%
C. 40% to 80%
D. 50% to 90%
Answer: B
Rationale: OR humidity must be maintained between 20% and 60% to prevent static
electricity and bacterial growth.
Question 5
An important process in which all team members must participate just prior to incision
is called the:
A. Huddle
B. Timeout
C. Debriefing
D. Consent
Answer: B
Rationale: The timeout is a mandatory safety check performed immediately before
incision to verify patient identity, procedure, and site.
Question 6
Which of the following is Mohs surgery used to treat?
A. Malignant melanoma and basal cell carcinoma
B. Basal cell and squamous cell carcinoma
C. Malignant melanoma and squamous cell carcinoma
D. Basal cell and Merkel cell carcinoma
Answer: B
Rationale: Mohs surgery is primarily used for basal cell and squamous cell
carcinomas.
pg. 2
,Question 7
When reviewing the chart for a patient scheduled for a mammoplasty, it is noticed that
the patient's K+ is 5.4. The patient is suffering from which of the following?
A. Hyperkalemia
B. Hypokalemia
C. Hypercalcemia
D. Hypocalcemia
Answer: A
Rationale: Normal potassium range is 3.5-5.0 mEq/L. A K+ of 5.4 indicates
hyperkalemia.
Question 8
Which of the following are the preferred positioning devices used during surgical
procedures?
A. Foam pads
B. Saline bags
C. Gel pads
D. Sheet rolls
Answer: C
Rationale: Gel pads are preferred as they provide superior pressure distribution and
patient comfort.
Question 9
When inserting a Foley catheter into a male patient, the surgical first assistant
encounters difficulty. Which of the following is the NEXT step that the surgical first
assistant should take?
A. Proceed with force until the catheter goes in
B. Stop attempting and notify the surgeon
C. Abort the surgical procedure
D. Obtain a new kit and try again
Answer: B
Rationale: Forcing a catheter can cause urethral injury. The surgeon should be notified
immediately.
pg. 3
, Question 10
Which of the following could occur as a result of a tourniquet causing excessive pressure
on the nerves?
A. Paralysis
B. Ischemia
C. Hematoma
D. Necrosis
Answer: A
Rationale: Excessive tourniquet pressure on nerves can cause paralysis due to nerve
damage.
Question 11
Which of the following positions is used for an LAVH?
A. Reverse Trendelenburg
B. Supine
C. Lateral recumbent
D. Lithotomy
Answer: D
Rationale: Lithotomy position provides access for both vaginal and laparoscopic
instruments during LAVH.
Question 12
Which of the following types of positioning injury occurs when underlying tissue is
stationary while the skeletal structure moves?
A. Friction injury
B. Pressure injury
C. Shear injury
D. Negativity injury
Answer: C
Rationale: Shear injury occurs when the skeletal structure moves while the underlying
tissue remains stationary.
Question 13
Which of the following patient positions would be MOST likely to cause an obturator
nerve injury?
pg. 4
