Chlorhexidine is an antiseptic used to clean and disinfect the skin before surgery to prevent infection.
Alcohol / Siprit are antiseptic but usually too irritating for large area or sensitive skin.
Normal Saline just clean the dust, not an antiseptic.

Capnography measures the concentration of carbon dioxide (CO₂) in a patient’s exhaled breath, which helps monitor ventilation during anaesthesia or critical care.
Oxygen is measured by pulse Oximeter.
Pulse Pressure is measured by Blood Pressure Monitor.

Spirometer is used to measures lung function.

A laryngoscope is used by doctors to see the throat and vocal cords and help place an endotracheal tube for breathing during surgery.
Microscope is used for magnifying small objects.

Blood pressure is measured by a sphygmomanometer, not a pulse Oximeter.

The OT Technician prepares the patient for surgery by draping sterile sheets over them, keeping the surgical area clean and sterile.

Dextrose saline is a combination of glucose (5% dextrose) for energy and 0.9% normal saline (salt solution) to maintain fluid and electrolyte balance.
10% dextrose is used alone for high energy needs.

Dissolution is the process of a drug dissolving, not a route of administration.
Intrathecal is route of drug into spinal canal.
Intradermal is route of drug into the skin.
Sublingual is route of drug under the tongue.

Hetastarch is a synthetic plasma volume expander, not a natural blood product.
FFP stands for Fresh Frozen Plasma, provides clotting factors to help blood clot.
Cryoprecipitate, FFP and Platelets help in blood clotting or stop bleeding.