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.

A suction apparatus is used to remove secretions, blood, or other fluids from a patient’s airway or surgical site to keep it clear.
IV set used to give fluids / medicine

A Cautery is an Electrosurgical Unit, It is used to cut tissues and coagulate (stop bleeding) at the same time.
Retractor is used to hold the tissue apart.

Hyphae that do not have septa (cross walls) are not divided into separate cells. Such hyphae have many nuclei in one continuous cytoplasm, so they are called coenocytic hyphae

Intradermal injection should be given at 30 degree.
Sometimes Subcutaneous injections (into the fatty layer) are given at 45 degree.

Lapartotomy is an open surgery.
Tonsillectomy is a throat surgery.
Septopasy is a nasal surgery.
Cholecystectomy is removal of gall bladder.

A Richardson retractor is a large and strong handheld surgical instrument used to hold back tissues and organs in abdominal and thoracic surgeries to give the surgeon better access.
For Eye, Brain and Ear surgery special fine retractors are used not Richardson.

An OT Technician helps the surgeon by handling surgical instruments during operations.
Cleaning OT is the duty of cleaning Staff.
Washing Scrubs is the duty of Laundry Staff.
Remove clothes is done by patient themselves.

A defibrillator gives an electric shock to the heart to restore normal cardiac rhythm during cardiac arrest.
Cardiac Monitor only observes heart activity.
ECG Machine records heart’s electrical activity.
Pulse Oximeter measures oxygen level and pulse only.

Hydrogen gas is not used in the operating room because it is highly flammable and explosive, which is very dangerous in a surgical environment.
Carbon Dioxide used in Labaroscopy.
Nitrous Oxide is an Anesthetic Gas.
Air commonly used for ventilation.