AST Surgical Technologist CST Practice
exam questions and answers with
solutions 2025
1. Which of the following clips is used for scalp hemostasis in cranial procedures?
A. Raney
b.Filshie
c. Hemoclip
d. Backhaus - ANSWER A. Raney
The local freezing of diseased tissue to facilitate removal without bleeding is:
a. Cryosurgery
b. Electrocautery
c. Diathermy
d. harmonic scalpel - ANSWER A. Cryosurgery
In severe aortic stenosis, all of the following are indications of valve replacement except?
a. Myocardial ischemia
b. Left ventricle hypertrophy
c. Palpitations
d. Angina - ANSWER C. Palpitations
In the event a child requires emergency surgery, but the parents cannot be located to sign the
surgical consent:
a. Consent is signed by a court of law
b. Consent is signed by two consulting physicians
c. No consent is required
,d. Consent is signed by the surgeon - ANSWER b. Consent is signed by two consulting physicians
Ethylene Oxide (ETO) sterilization destroys microbes by the process of:
a. alkylation
b. Osmosis
c. Oxidation
d. Cavitation - ANSWER a. Alkylation
What is the most common cause of aortic aneurysm?
a. Thrombus
b. Embolus
c. Atherosclerosis
d. Hypotension - ANSWER C. Atherosclerosis
What is used to determine the position of cannulated screws during repair of a femoral neck
fracture?
a. Broach
b. Guide pins
c. Canal reamer
d. ruler - ANSWER B. Guide pins
The instruments show below are used to dilate the:
a. urethra
b. cervix
c. Coronary artery
d. Intranasal antrostomy - ANSWER B. cervix
,Prior to being placed in the Eto sterilizer, items must:
a. Not be heat sensitive
b. Be lubricated with oil
c. Have residual water on their surface
d. Be completely dry - ANSWER D. Be completely dry
During general anesthesia induction, which sense is the last to be experienced by the patient?
a. Touch
b. Taste
c. Hearing
d. Smell - ANSWER C. Hearing
The purpose of creating an arteriovenous fistula is for:
a. Lavage
b. Chemotherapy
c. Hemodialysis
d. Hemostasis - ANSWER C. Hemodialysis
What nerve is at greater risk during a thyriodectomy?
a. Cervical sympathetic chain
b. Inferior laryngeal
c. Vagus
d. Recurrent laryngeal - ANSWER D. Recurrent laryngeal
Which nerve could be compressed against the humerus in the prone position?
, a. Peroneal
b. Tibial
c. Brachial
d. Radial - ANSWER D. Radial
What is the surgical procedure for reducing testosterone in prostate cancer?
a. Vasectomy
b. Varicocelectomy
c. Hydrocelectomy
d. Orchiectomy - ANSWER d. Orchiectomy
What is the name of the retractor shown below?
a. Deaver
b. Harrington
c. Kelly
d. Richardson
see page 163 for photo - ANSWER B. Harrington
If the broth in the steam sterilization biological indicator is yellow after incubation, what action
to be taken?
a. Indicates autoclave chamber needs cleaning
b. Items must be immediately recalled
c. No action necessary
d. Sterile items should be immediately used - ANSWER b. Items must be immediately recalled
A specimen that is 5 centimeters is equal to:
exam questions and answers with
solutions 2025
1. Which of the following clips is used for scalp hemostasis in cranial procedures?
A. Raney
b.Filshie
c. Hemoclip
d. Backhaus - ANSWER A. Raney
The local freezing of diseased tissue to facilitate removal without bleeding is:
a. Cryosurgery
b. Electrocautery
c. Diathermy
d. harmonic scalpel - ANSWER A. Cryosurgery
In severe aortic stenosis, all of the following are indications of valve replacement except?
a. Myocardial ischemia
b. Left ventricle hypertrophy
c. Palpitations
d. Angina - ANSWER C. Palpitations
In the event a child requires emergency surgery, but the parents cannot be located to sign the
surgical consent:
a. Consent is signed by a court of law
b. Consent is signed by two consulting physicians
c. No consent is required
,d. Consent is signed by the surgeon - ANSWER b. Consent is signed by two consulting physicians
Ethylene Oxide (ETO) sterilization destroys microbes by the process of:
a. alkylation
b. Osmosis
c. Oxidation
d. Cavitation - ANSWER a. Alkylation
What is the most common cause of aortic aneurysm?
a. Thrombus
b. Embolus
c. Atherosclerosis
d. Hypotension - ANSWER C. Atherosclerosis
What is used to determine the position of cannulated screws during repair of a femoral neck
fracture?
a. Broach
b. Guide pins
c. Canal reamer
d. ruler - ANSWER B. Guide pins
The instruments show below are used to dilate the:
a. urethra
b. cervix
c. Coronary artery
d. Intranasal antrostomy - ANSWER B. cervix
,Prior to being placed in the Eto sterilizer, items must:
a. Not be heat sensitive
b. Be lubricated with oil
c. Have residual water on their surface
d. Be completely dry - ANSWER D. Be completely dry
During general anesthesia induction, which sense is the last to be experienced by the patient?
a. Touch
b. Taste
c. Hearing
d. Smell - ANSWER C. Hearing
The purpose of creating an arteriovenous fistula is for:
a. Lavage
b. Chemotherapy
c. Hemodialysis
d. Hemostasis - ANSWER C. Hemodialysis
What nerve is at greater risk during a thyriodectomy?
a. Cervical sympathetic chain
b. Inferior laryngeal
c. Vagus
d. Recurrent laryngeal - ANSWER D. Recurrent laryngeal
Which nerve could be compressed against the humerus in the prone position?
, a. Peroneal
b. Tibial
c. Brachial
d. Radial - ANSWER D. Radial
What is the surgical procedure for reducing testosterone in prostate cancer?
a. Vasectomy
b. Varicocelectomy
c. Hydrocelectomy
d. Orchiectomy - ANSWER d. Orchiectomy
What is the name of the retractor shown below?
a. Deaver
b. Harrington
c. Kelly
d. Richardson
see page 163 for photo - ANSWER B. Harrington
If the broth in the steam sterilization biological indicator is yellow after incubation, what action
to be taken?
a. Indicates autoclave chamber needs cleaning
b. Items must be immediately recalled
c. No action necessary
d. Sterile items should be immediately used - ANSWER b. Items must be immediately recalled
A specimen that is 5 centimeters is equal to:
