CST EXAM QUESTIONS with Correct Answers Latest 2025/2026 100% GUARANTEED PASS!!!(A+ GRADED 100% VERIFIED)

CST EXAM QUESTIONS with Correct Answers Latest 2025/2026 100% GUARANTEED PASS!!!(A+ GRADED 100% VERIFIED) Standard Precautions - ANSWER Which of the following regulations states that blood and body fluids should be considered infectious? Postexposure Prophylaxis Medical Device Safety Act Standard Precautions Body Substance Isolation Rules Separation anxiety - ANSWER Which of the following is a major source of distress for toddler and preschool age patients being transported to the operating room? Fear of anesthesia Separation anxiety Room temperature change Lack of communication Pharynx - ANSWER Which structure has oral, nasal, and laryngeal divisions? Trachea Esophagus Glottis Pharynx Ear - ANSWER Otoplasty is performed to correct a congenital deformity of which structure? Ear Eye Nose Mouth Iatrogenic - ANSWER An injury a patient sustains as a result of the care given by a healthcare professional is called: Tort Liability Battery Iatrogenic Choroid - ANSWER The highly vascular layer of the eye that absorbs light rays and nourishes the retina is the: Iris Choroid Macula Sclera Safety - ANSWER According to Maslow's hierarchy of needs, which of the following is the patients satisfying when he/she trusts the surgical team's abilities? Belonging Esteem Safety Physiological Abdominal aortic - ANSWER Which aneurysm usually develops between the renal and iliac arteries? Aortic arch Ascending thoracic Abdominal aortic Descending thoracic Heparin - ANSWER The agent used to flush an artery to prevent clotting is: Thrombin Protamine sulfate Heparin Ringer's lactate Bone to bone fixation - ANSWER What is the next step for reattachment of a severed digit after debridement? Vessel reanastomosis Nerve reanastomosis Bone to bone fixation Tendon to tendon fixation Full thickness - ANSWER What type of skin graft includes the epidermis and all of the dermis? Pedicle Split thickness Composite Full thickness Skeletal - ANSWER Which muscle type is striated and voluntary? Heart Visceral Cardiac Skeletal Microtia - ANSWER Which of the following terms refers to absence of the external ear? Anophthalmia Cheiloschisis Ectrosyndactyly Microtia 1.5 hours - ANSWER What is the recommended maximum time limit for a tourniquet to remain inflated on an adult lower extremity? 30 minutes 60 minutes 1.5 hours 2.5 hours Clostridium perfringens - ANSWER Which organisms causes gas gangrene? Clostridium botulinum Clostridium perfringens Staphylococcus aureus Staphylococcus epidermidis Acromioclavicular jount to iliac crest - ANSWER Chest rolls should span the distance bilaterally between which two anatomical structures? Nipple to umbilicus Iliac crest to iliac crest Scapula to gluteus maximus Acromioclavicular jount to iliac crest Stapes - ANSWER Which ossicle of the middle ear covers the oval window? Malleus Incus Stapes Utricle Jackknife - ANSWER What is another name for the Kraske position? Dorsal recumbent Jackknife Trendelenburg Beach chair Larynx - ANSWER The vocal cords are located in the: Pharynx Trachea Larynx Bronchus Kitner - ANSWER What type of sponge is tightly rolled cotton tape used by surgeons for blunt dissection? Raytec Kitner Weck Cel Cottonoid Cottingham punch - ANSWER Which of these instruments would be used during a keratoplasty? Kilner hook Bowman probe Kerrison rongeur Cottingham punch Subluxation - ANSWER A partial dislocated joint is called: Subluxation Malrotation Avulsion Malunion Atherosclerosis - ANSWER What condition is characterized by build up of fatty deposits such as cholesterol? Embolism Thrombosis Arteriospasm Atherosclerosis Lukewarm water - ANSWER Plaster rolls for casting should be submerged in which of the following? Lukewarm saline Lukewarm water Cold saline Lukewarm water Cornea - ANSWER The avascular, clear portion of the eye covering the iris is the: Cornea Sclera Pupil Conjunctiva After each case - ANSWER How often should surgical masks be changed? After lunch Every two hours Twice a day After each case Bacillus - ANSWER Which term describes a rod shaped microorganism? Coccus Spirillum Bacillus Helical 85 - ANSWER When using the warm cycle of the EtO sterilizer, what is the minimum sterilization temperature in Fahrenheit? 55 65 75 85 Repositioning penetrating towel clip - ANSWER Which of the following actions would be a violation of the aseptic technique? Cuffing the hands within the drape Sterile person reaching over sterile surface Repositioning penetrating towel clip Sterile surgical members passing face to face Res ipsa loquitor - ANSWER Which legal principle applies when the patient is given the wrong dose of the local anesthetic? Res ipsa loquitor Respondeat superior Bona Fide Assault Glottis - ANSWER The space between the vocal cords is called the: Vocal fold Glottis Epiglottis Cricoid cartilage Clostridium Tetani - ANSWER Which bacteria could be found in a penetrating would caused by a rusty nail? Teponema pallidum Bacillus antracis Clostridium Tetani Helicobacter pylori Love - ANSWER Which of the following retractors is used for spinal nerve roots? Taylor Love Cushing Meyerding Grounding pad - ANSWER What is another name for the electrosurgical unit's patient return electrode? Cautery Generator Foot pedal Grounding pad 16 Fr - ANSWER What size of Foley catheter is commonly used for adults? 8 Fr 12 Fr 16 Fr 24 Fr 10 - ANSWER What is the minimum number of minutes to sterilize unwrapped metal instruments with lumens in the gravity displacement sterilizer at 270 degrees F? 5 10 15 20 Meningioma - ANSWER Which of the following tumors is typically benign, encapsulated, and arises from tissue covering the central nervous system structures? Meningioma Astrocytoma Schwannoma Oligodendroglioma Sclera - ANSWER The fibrous white layer that gives the eye its shape is the: Iris Cornea Sclera Choroid Flagella - ANSWER What is the term for thread like appendages that provide bacteria with motion? Fimbriae Flagella Mesosomes Mitochondria Trendelenburg - ANSWER What surgical position provides optimal visualization of the lower abdomen or pelvis? Fowler's Trendelenbleurg Reverse Trendelenburg Kraske 10 - ANSWER How many hours must an item submerse in glutaraldehyde to sterilize? 7 8 9 10 Systolic - ANSWER When a patient's blood pressure is 135/81 135 refers to: Diastolic Systolic Pedal pulse Apical pressure Cerumen - ANSWER A term referring to a waxy secretion in the external ear canal is: Mucous Sputum Cerumen Perilymph Incus - ANSWER Which of the following is an ossicle of the middle ear? Pinna Incus Labyrinth Vestibule Exsanguination - ANSWER What is the term for the process of removing blood from an extremity prior to inflating the pneumatic tourniquet? Extravasation Evisceration Exsanguination Evacuation Nasolacrimal duct - ANSWER Which of the following may require probing and dilating in pediatric patients with upper respiratory infections? Sinus Cavities Eustachian tube Nasolacrimal duct Tympanic membrane Surgical technologist - ANSWER Which surgical team member is responsible for setting up the sterile field? Surgical first assistant Surgical technologist Circulating nurse Surgeon Cancer procedures - ANSWER In what circumstances would cell saver transfusion be contraindicated? Anemic patients Diabetic patients Cancer procedures Orthopedic procedures Sigmoidectomy - ANSWER Use of an intraluminal (circular) stapler (EEA) would be indicated for which of the following surgical procedures? Pancreatectomy Cholecystectomy Polypectomy Sigmoidectomy Kidney pedicle - ANSWER Satinsky, Herrick, and Mayo clamps may be used specifically on which of the following structures? Kidney pedicle Seminal vesicle Bladder neck Prostate gland 270-276 - ANSWER The minimum Fahrenheit temperature for sterilization to occur in a prevacuum steam sterilizer is: 249-255 256-262 263-269 270-276 Septum - ANSWER The nasal cavity is divided into two portions by the: Vomer Ethmoid Sphenoid Septum Ellik evacuator - ANSWER Which of the following is used by the surgeon to intermittently remove prostatic tissue fragments during a TURP? Wire snare Ellik evacuator Poole suction Randall forceps Subdural - ANSWER Which type of hematoma is a result of torn bridging meningeal veins? Epidural Intracerebral Intraventricular Subdural Pressure - ANSWER In addition to temperature, time and moisture, what is the fourth factor that determines the outcome of the steam sterilization process? Concentration Weight Aeration Pressure Daily - ANSWER The Bowie Dick test is performed: Hourly Daily Weekly Monthly Cochlea - ANSWER The spiral, conical structure of the inner ear is the: Cochlea Stapes Vestible Labyrinth Enterocele - ANSWER What is the name of the condition in which a loop of bowel herniates into the Douglas's cul de sac? Cystocele Rectocele Enterocele Omphalocele Pterygium - ANSWER Which of these conditions is characterized by a fleshy encroachment of conjunctiva onto the cornea? Chalazion Pterygium Strabismus Ecchymosis Myomectomy - ANSWER Which procedure would be listed in the OR schedule for a patient undergoing surgical treatment of uterine fibroids? Pelvic exenteration Cervical cerclage Colporrhaphy Myomectomy Popliteal fossa - ANSWER Where is a Baker's cyst located? Olecranon process Greater tubercle Popliteal fossa Carpal tunnel 2% glutearaldehyde for 20 mins - ANSWER Which of the following is a method of high level disinfection? Peracetic acid for 30 mins 2% glutearaldehyde for 20 mins Steam under pressure for 10 mins Hydrogen peroxide gas plasma for 75 mins Eardrum - ANSWER Another name for the tympanic memebrane is the: Ear tube Ear canal Earlobe Eardrum Third - ANSWER What is the burn degree classification that involves the epidermis and subcutaneous tissue? First Second Third Fourth Inner - ANSWER Which portion of the ear is affected by Meniere's syndrome Inner Middle Eustachian tube Auditory ossicles Vomer - ANSWER The cartilaginous nasal septum is anterior to which bone? Hyoid Vomer Mandible Palatine Bacillus stearothermophilus - ANSWER The most reliable method for determining the efficiency of moist heat sterilizers is the controlled use of biological indicators containing the organism: Bacillus stearothermophilus Clostridium tetani Bordetella pertussis Corynebacterium diptheria Spinal stenosis - ANSWER Which neurosurgical pathway would a myelogram diagnose? Subdural hematoma Creutzfeldt Jakob Spinal stenosis Myelomeningocele Cystocele - ANSWER Which of the following terms means a prolapsed bladder causing a bulge in the anterior vaginal wall? Rectocele Cystocele Enterocele Herniation 24 - ANSWER How many hours must the steam sterilization biological indicator incubate? 6 12 18 24 Ethmoid - ANSWER The nasal sinus located between the nose and the orbits is the: Frontal Sphenoid Ethmoid Maxillary