SurgicalTechPrep Blog

Study smarter. Pass the CST exam.

Study guides, procedure breakdowns, and exam strategy to help you pass the NBSTSA CST exam on your first attempt.

Pharmacology5 min read

Ophthalmic Medications Used in Eye Surgery: Miotics, Mydriatics, and Viscoelastics

A review of the specialized medications used during ophthalmic surgery, including their purpose and timing within the procedure.

November 14, 2025

Pharmacology5 min read

Contrast Media Used in the Operating Room: What Surgical Techs Should Know

An overview of contrast media used during intraoperative imaging procedures, such as cholangiography, and related safety considerations.

November 13, 2025

Pharmacology6 min read

Anticoagulants and Reversal Agents in Surgery: What CSTs Should Understand

An overview of common anticoagulants used during surgery, such as heparin, and the reversal agents used to counteract their effects.

November 12, 2025

Pharmacology5 min read

Medication Labeling on the Sterile Field: The Rule You Cannot Break

Why every medication and solution on the sterile field must be immediately labeled, and the correct procedure for doing it safely.

November 11, 2025

Pharmacology6 min read

Antibiotic Prophylaxis Timing in Surgery: Why the Window Matters

How surgical antibiotic prophylaxis timing affects surgical site infection risk, and what surgical techs should know about the standard timing window.

November 10, 2025

Pharmacology6 min read

Hemostatic Agents Overview: Absorbable Gelatin, Cellulose, and Topical Thrombin

A comparison of common hemostatic agents used in surgery, including how each works and when a surgeon might choose one over another.

November 9, 2025

Pharmacology6 min read

General Anesthesia Types and Stages: What Every CST Should Understand

An overview of general anesthesia induction, maintenance methods, and the stages of anesthesia relevant to the CST exam.

November 8, 2025

Pharmacology6 min read

Local Anesthetics Used in the Operating Room: Lidocaine, Bupivacaine, and More

A comparison of common local anesthetics used in surgery, including onset time, duration, and maximum dosage awareness.

November 7, 2025

Pharmacology7 min read

Surgical Pharmacology Overview: What the CST Exam Actually Tests

An overview of how surgical pharmacology is tested on the CST exam, including drug categories and the sterile field medication handling process.

November 6, 2025

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