CST Practice Exam A WITH 100% CORRECT ANSWERS 2023

CST Practice Exam A To Revascularize the heart muscle of a patient with heart disease, a graft may be anastomosed between which of the following two vessels? A. Internal mammary artery to affected coronary artery B. Subclavian artery to affected coronary artery C. Internal mammary artery to aorta D. Subclavian artery to aorta - ANS A. Internal mammary artery to affected coronary artery- internal mammary artery is the preferred vascular conduit to revascularize the myocardium The drug most commonly used to treat ventricular tachycardia is A. Epinephrine (adrenaline) B. Nitroglycerin (nitrostat) C. Lidocaine (xylocaine) D. Norepinephrine (levophed) - ANS C. Lidocaine (xylocaine) - lidocaine blocks cardiac sodium channels shortening the action potential An ideal environment for holding the preoperative patient is a A. Dimly lit, quiet room B. Brightly lit, quiet room C. Warm, busy room D. Cool, busy room - ANS A. Dimly lit, quiet room- facilitate the effects of pre op medications administered to patients to relieve anxiety and promote drowsiness. Which of the following procedures treats a congenital obstructed lesion found at the distal end of an infants stomach? A. Gastronomy B. Nissan fundoplication C. Heller myotomy D. Pyloromyotomy - ANS D. Pylormyotomy- infantile pyloric stenosis is relieved by removing the congenital obstruction lesion in the pylorus of the stomach A cardiac arrest occurs during a procedure, and the surgeon is resuscitating the patient. What is the responsibility of the surgical tech and this scrub role at this time? A. Hand surgeon and loaded needle holder and forceps by for closing. B. Breakscrub and call for help. C. Remain sterile and maintain the sterile field. D. Move the electrosurgical unit (ESU) away from the operating table. - ANS D. Move the electrosurgical unit (ESU) away from the operating table. Which of the following is the definition of instrument sterilization? A. surgical cleaning with an antiseptic B. manual decontamination C. destruction of microorganisms D. reduction of bacteria - ANS C. Destruction of microorganisms A preference card indicates a surgeon prefers a large gown and size 7.5 gloves and the surgeons assistant prefers an XL gown and size 8 gloves. The assistant usually scrubs in first, in which order should the surgical attire (PPE) be stacked from top to bottom? A. Towel, XL gown, size 7.5 gloves, towel, large gown, size 8 gloves B. Size 7.5 gloves, XL gown, towel, size 8 gloves, large gown, towel C. Towel, XL gown, size 8 gloves, towel, large gown, size 7.5 gloves D. Towel, large gown, size 7.5 gloves, towel, XL gown, size 8 gloves - ANS C. Towel, XL gown, size 8 gloves, towel, large gown, size 7.5 gloves Which if the following types of anesthetic is injected during a Bier Block? A. Bupivacaine (Marcaine) B. Lidocaine ( Xylocaine) with epinephrine C. Bupivacaine (Marcaine) with epinephrine D. Lidocaine (Xylocaine) - ANS D. Lidocaine (Xylocaine)- lidocaine when used for regional bier block anesthesia. Does not carry as significant of a risk for anesthesia agent toxicity as Marcaine Aerobic organisms are BEST characterized as A. Pathogenic B. Nonpathogenic C. Oxygen requiring D. Non oxygen requiring - ANS C. Oxygen requiring- aerobic organisms require an oxygen rich environment to survive When positioning a patient in the lithotomy position, the stirrup height should be adjusted according to the A. Height of the first assistant B. Manufacturers recommendations C. Height of the surgeon D. Length of the patients legs - ANS D. Length of the patients legs - to prevent nerve pressure and damage Which of the following is applied as a non adherent dressing? A. Adaptic B. Collodion C. Elastoplast D. Steri-strip - ANS A. Adaptic Which of the following conditions is triggered by an injection of succinylcholine (anectime) and causes an unusually high fever? A. Osteomyelitis B. Sepsis C. Malignant Hyperthermia D. Appendicitis - ANS C. Malignant Hyperthermia When performing a D&C, which of the following instruments is used to grasp the cervix? A. Simms B. Auvard C. Schroeder D. Bozeman - ANS C. Schroeder