CST EXAM AND PRACTICE EXAM NEWEST 2025

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CST EXAM AND PRACTICE EXAM NEWEST 2025

ACTUAL EXAM COMPLETE 400 QUESTIONS

AND CORRECT DETAILED ANSWERS

(VERIFIED ANSWERS) |ALREADY GRADED A+

CST EXAM

A T-tube drain may be used following

• a splenectomy.
• a choledochotomy.
• an appendectomy.
• a herniorrhaphy. - ANSWER-B.

Rationale; A T-tube drain is used to irrigate and to demonstrate patency of the common bile duct. A T-tube's unique design fits into the common duct and facilitates drainage outside of the body.

While removing peel pack instruments from the sterilizer, a surgical technologist notices several of the packages have ruptured. Which of the following would MOST likely be the cause of this?

• The air was not evacuated from the pouch.
• The temperature of the autoclave was too high. 1 / 4

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• The package was sterilized too long.
• The instruments in the pouch were too heavy. - ANSWER-A.

Rationale; Air should be evacuated from the pouch before it is sealed. Otherwise, the package may rupture during sterilization.

For steam sterilization, biological indicators should be placed

• in the most challenging area of the load.
• at the center of the load.
• in the least challenging area of the load.
• at the top of the load. - ANSWER-A.

Rationale; The test pack is placed in the area of the sterilizer that is most difficult for the sterilant to reach.

Which of the following instruments may be used to clamp the aorta?

• Doyen
• Duval
• Bulldog
• Satinsky - ANSWER-D.

Rationale; A Satinsky may be used to clamp large vessels such as the aorta 2 / 4

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The drug MOST commonly used to treat ventricular tachycardia is

• epinephrine (Adrenalin).
• nitroglycerin (Nitrostat).
• lidocaine (Xylocaine).
• norepinephrine (Levophed). - ANSWER-C.

Rationale; Lidocaine is an antiarrhythmic.

Which of the following types of anesthetic is injected during a Bier block?

• bupivacaine (Marcaine)
• lidocaine (Xylocaine) with epinephrine
• bupivacaine (Marcaine) with epinephrine
• lidocaine (Xylocaine) - ANSWER-D.

Rationale; Lidocaine (Xylocaine) when utilized for regional Bier block anesthesia does not carry as significant a risk for anesthetic agent toxicity as bupivacaine (Marcaine).

Which of the following does NOT result after dipping a bloody RAY-TEC sponge into irrigation solution? 3 / 4

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• The solution is tainted.
• Lint is released into the solution. C. The solution is diluted.
• Cellular components are released into the solution. -

ANSWER-B.

Rationale; The RAY-TEC sponges will not release lint into the solution because they are lint free.

Which of the following statements is true regarding surgical correction of a Colles' fracture?

• The distal radius is fractured and the periosteum will be

closed with absorbable sutures.

• The distal fibula is fractured and the periosteum will be

closed with absorbable sutures.

• The proximal tibia is fractured and the endosteum will be

closed with non-absorbable sutures.

• The proximal ulna is fractured and the endosteum will be

closed with non-absorbable sutures. - ANSWER-A.Rationale; In a Colles' fracture, the distal radius is fractured at the epiphysis within 2.54 centimeters of the wrist joint, forcing the hand into a dorsal and lateral position.

When a hernia is strangulated, which of the following instrument sets is added to the general abdominal set-up?

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