AST Practice Exam #3
Which cranial nerve is affected by trigeminal neuralgia?A. IB. VC. VID. VII
V. (5)
What is used to lubricate the donor site and reduce friction from the dermatome?
Mineral oil
What is an example of proper sterile technique when performing the prep for a split-thickness skin graft?
Donor site first
What is the recommended range of intra-abdominal pressure in an adult patient when using an insufflator during a laparoscopic procedure?
12-15 mm Hg
What refers to the inability to direct both eyes at the same object
Strabismus
What procedure is performed to correct chronic cerebral ischemia?
Endarterectomy
According to the Rule of Nines what percentage is assigned to the front and back of the trunk?,
18%
What term refers to an abnormal increase in the number of cells?
Hyperplasia
A second intention wound heals by what?
Granulation
Intraoperative ventricular arrhythmias are treated with what?
Lidocaine
How many milliliters equal two ounces?
60
Covering a sterile backtable for later use is permissible or not permissible?
Not permissible under any circumstances
In which position would a patient be placed to counteract hypovolemia?
Trendelenburg
What type of suture creates the least tissue trauma and drag?
Swaged monofilament
What organization has legal oversight for the safety of healthcare providers in the work place?
OSHA
Which level of Maslow's Hierarchy of Needs is most applicable to the surgical patient?
Physiological and survival
What would be an incorrect technique when removing the sterile gown and gloves?
Gloves removed first
What type of procedure might require a laparoscopy combination drape?
Abdominoperineal resection
Cell destruction by steam sterilization occurs by:
Coagulation of protein
Which technique is not acceptable when draping?
Unfold drape before bringing up to the OR table
A patient's fingernail polish is removed for what reason?
To allow for use of a pulse oximeter
What is the purpose of maintaining air exchange rate at 15-20 times per hour in the OR?
To reduce microbial count
How many mL of water is necessary to inflate a 5-mL balloon on the Foley indwelling catheter?
10 mL
If an ophthalmologist orders trimming of eyelashes how is it safely performed?,
Fine scissors coated with water-soluble gel
What is the correct technique for performing the surgical skin prep?
Incision site to periphery using circular motion
The laboratory test that determines the ratio of erythrocytes to whole blood is what?
Hematocrit
What is the proper procedure to follow when a pack of sponges contains an incorrect number after the patient has entered the OR?
Hand off the sterile field and isolate
Which of the following types of specimens would not be placed in a preservative solution?A. ColonB. CalculiC. TonsilsD. Uterus
Calculi
Where should the surgical technologist begin when performing closing counts?
Operative field
What catheter tips is used in a patient with a urethral stricture?
Coude
What type of procedure would require a stent dressing?
Neck
What is used to ensure the preservation of the facial nerve during a parotidectomy?
Nerve stimulator
What hemostatic agents is contraindicated for use in the presence of infection?
Absorbable collagen
During closure of a nephrectomy in the lateral position the OR table is straightened to facilitate what?,
Tissue approximation
What must be tested prior to the use of a fiberoptic bronchoscope?
Light source
Excision of a constricted segment of the aorta with reanastomosis is performed to correct what?
Coarctation of the aorta
Which diagnoses would a patient undergo endoscopic retrograde cholangiopancreatography?
Choledocholithiasis
The high ligation of the gonadal veins of the testes performed to reduce venous plexus congestion is a/an what?
Varicocelectomy
Trauma to two of the following cranial nerves would result in the loss of smell and vision?
I and II
What is performed for suspected ectopic pregnancy?
Culdocentesis
What is the correct procedure for treatment of glaucoma?
Iridectomy
What procedure is performed to immobilize the jaw following a mandibular fracture?
Arch bar application
After a total arthroplasty procedures what would require the postoperative use of an abduction splint?
Hip
Untreated acute otitis media may result in what?
Mastoiditis
What is used intraoperatively to assess vascular patency?
Doppler ultrasound
The instrument shown what and would be used during what procedure?
Hurd dissector-Pillar retractor used for a tonsillectomy
What is the body's primary source of energy?
Carbohydrates
What is compressed during a rapid-sequence induction and intubation?
Cricoid cartilage
What term refers to the spread of cancerous cells to other parts of the body?
Metastasis
The shared passageway for food and air is the what?
Pharynx
The structure that lies along the posterior border of the testis is the what?
Epididymis
The valve between the left atrium and the left ventricle is the what?
Bicuspid
Which characteristic describes an amphiarthrosis?
Slightly Movable
What is the most abundant ion in the body?
Calcium
What is a method of bacterial survival when environmental conditions are not conducive to growth and viability?
Spore formation
What organ detects changes in the level of insulin and releases chemicals to regulate the level of blood glucose?
Pancreas
What does the term strike-through mean?
Soaking of moisture from unsterile to sterile layers
What monitoring devices would be used within a vessel?
Swan Ganz
When adding a 30 mL of injectable saline to 30 mL of 0.5% Marcaine what strength does the drug become?,
0.25%30x.5=60xX60/30=.5/X30x.5=60xX15=60X15/60=60X/60X=.25
What action should be taken if the patient has withdrawn the surgical informed consent prior to surgery?
Do not transport patient and inform the surgeon
Confining and containing instruments with bioburden prevents what?
Cross-contamination
The unsterile size of the perimeter of a sterile wrap is what?
1 inch
A substance that inhibits the growth and reproduction of microbes on living tissue is a/an what?
Antiseptic
What action should be taken by the transporter if a discrepancy occurs in the identification of a patient in the nursing unit?
Do not transport, inform unit supervisor and OR personnel
A patient may be asked to shower at home with an antimicrobial soap before coming to the hospital for surgery for what reason?
To achieve a cumulative antimicrobial effect
What are the sequential steps performed prior to entrance into the sterile field?
Scrub, gown, glove
Which area is prepped last when performing the skin prep for a Bartholin's cystectomy?
Anus
The sterile surgical technologist should drape a table from where?
Front to back
What can be injured if the arm is placed on the arm board greater that 90 degrees?
Brachial plexus
What is the purpose of the third lumen in a three-way indwelling Foley catheter?
To instill irrigation fluids
Which of the following enlarges and illuminates the surgical field during cataract procedures?
Operating microscope
Small radiopaque surgical patties used during cranial procedures are called what?
Cottonoids
What hemostatic agents must be applied dry and only handled with dry gloves and instruments?
Avitene
Which surgical specialty would utilize a phacoemulsification machine?
Opthalmology
Which lasers would be contraindicated for use in the posterior chamber of the eye?
Carbon dioxide
In which structure of the heart are the leads for a permanent pacemake placed?
Right ventricle
Which diagnoses would a patient require pancreaticojejunostomy?
Alcoholic pancreatitis
Which procedure would a Denis-Browne ring retractor be used?
Retropubic prostatectomy
Which cranial nerve is severed as a last resort treatment of Meniere's disease?
VIII
Brachytherapy is performed to treat what?
Cervical cancer
Which procedure is performed to improve the vision of patients with myopia?
Radial Keratotomy
The facial fracture that involves the complete separation of the maxilla from the cranial base is a/an what?
LeFort I
What is the name of this instrument?
Bennett retractor
Where is the incision for a Caldwell-Luc procedure made?
Canine fossa
The device used for real-time intraoperative assessment of blood flow is a/an what?
Doppler
The needle holder shown above would be used during what procedure and what is the name of it?
Craniotomy Castroviejo needle holder
A chemical reaction that provides energy by the breakdown of food is what?
Catabolism
Which structure of the ear is responsible for equilibrium?
Semicircular canals
The first step of urine production when fluids and dissolved substances are forced through a membrane by pressure is called what?
Glomerular filtration
The adipose tissue overlying the symphysis is the what?
Mons pubis
The cranial nerve that regulates secretion of gastric juice is the what?
X
Phagocytosis by the white blood cells is an example of which line of defense?
Second
When opening a sterile wrapper the unsterile person should open the first corner how?,
Away from self
Which is the least inert of the synthetic meshes?
Polyester fiber
What radiopaque contrast medium is used intraoperatively when the patient is allergic to iodine?
Renograffin
What legal term would apply to a case when a non-English speaking patient signs a surgical informed consent in English but does not fully understand it?,
Assault and battery
Which psychosocial factors is important for the surgical team to address for pediatric patients?
Separation anxiety
What is the surgical technologist's role during the transfer of the patient from the OR bed to the stretcher?
Maintains sterility and integrity of the backtable
When breaking down the sterile field the surgical technologist should place the grossly contaminated instruments in what?,
Basin with sterile water
How many minutes are unwrapped instruments with no lumens sterilized at 270 degrees F?
3
What is the recommended method of hair removal from an operative site?
Clippers with disposable heads
What must be in the chart prior to the patient being taken to the OR per The Joint Commission?
History and physical
An identification bracelet is placed on a surgical patient upon admission to the:
Facility
To maintain control of the stretcher the patient should be transported to the OR how?,
Feet first
At what point is it appropriate to lower the leg when draping for a knee arthroscopy?
After the tourniquet has been inflated
Which structure regulates the amount of light entering the eye?
Iris
A capillary network of blood vessels within the renal cortex that functions as a filter is called the what?
Glomerulus
The kidneys are located in the:
Retroperitoneal space
The most abundant extracellular ion necessary for the transmission of impulses is what?
Sodium
The set of teeth that erupt at about 6 months of age and are later replaced are the what?
Deciduous teeth
What is a frequently used IV barbiturate for general anesthesia induction?
thiopental
Which artery does not arise directly from the aorta?
Vertebral
How long must an item be immersed in glutaraldehyde to be sterile?
10 hours
Which chemical substances causes the immune system to form antibodies?
antigens
What is a surgical procedure for the treatment of acute otitis media?
myringotomy
How is the patient positioned on the OR table for a knee arthroscopy?
supine, knee at lower break
Which of the following instrument sets will be needed when a frontal sinus fracture repair is performed?A. PlasticB. CraniotomyC. OphthalmicD. Vascular
Craniotomy
Which procedure is performed for cervical incompetence?
shirodkar
What surgical instrument is used to visualize the prostate and remove tissue during a TURP?
Resectoscope
What facilitates exposure for thyroidectomy?
interscapular pillow
What type of needles would be used for a liver biopsy?
Tru-Cut
Why is cardioplegia used?
Causes diastolic arrest
What is the risk if a tourniquet is inflated for a prolonged period of time?
Tissue necrosis
What type of specialty equipment uses liquid nitrogen and is often utilized to repair retinal detachments?
Cryotherapy unit
What is done to the umbilicus during the abdominal skin rep?
Prepped separately with cotton applicators
An axillary role is placed for lateral positioning to do what?
Facilitate respiration
Which nerve could be damaged by improperly padded stirrups?
Peroneal
Frozen sections are sent to pathology when?
immediately without preservatives
What procedure would be performed with the patient in the lateral position?
Nephrectomy
Which heat-resistant spore-forming Bacillus does the steam sterilization biological indicator contain?,
stearothermophilus
The process by which blood cells are formed is known as what?
Hemopoiesis
The pacemaker of the heart is/are what?
SA node
Thought processes take place where?
Cerebral cortex
Kantrex bacitracin or Ancef mixed with saline for irrigation would do what?
Inhibit surgical site infection
What sterilizers operates with condition exposure, exhaust and dry cycles?
Gravity air displacement
Preoperative bladder drainage prior to D&C would be performed with which catheters?
14 Fr. Robinson
In the OR HEPA is a type of what?,
Air filter
What precaution is utilized to prevent cardiovascular complications when positioning an anesthetized patient?
Move patient slowly
Why is the orientation of the vein graft reversed during a CABG?
Presence of valves
Which neurosurgical retractors is handheld?
Cushing
Which of the following incisions may be used for the repair of a zygomatic fracture?A. Below lower eyelidB. CoronalC. Angle of the mandibleD. Preauricular
Below lower eyelid
The principal male hormone produced in the testes is what?
Testosterone
What is not a true statements for paper-plastic peel pack
Staples are an acceptable method of closing peel packs
Following a TURP a patient may have what placed for bladder irrigation and compression?
3-way Foley
What is a correct statement when using the closed-gloving technique?
Hand must not extend beyond cuffs
What drainage device is preferred for a radical neck dissection?
Jackson-Pratt
Which arteries are formed by the bifurcation of the abdominal aorta?
Iliac
The basic unit of the nervous system is what?
Neuron
The correct sterilization times required to render specific items sterile are initially established by what?
Equipment manufacturer
What procedure involves a series of treatments that result in permanent placement of prosthetic teeth?
Dental implants
In addition to temperature time and moisture, what other factor determines the outcome of the steam sterilization process?,
Pressure
The inner lining of the uterus is the what?
Endometrium
Which sterilization processes is most economical?
Steam
The basic living structural and functional unit of the body is known as the what?,
Cell
The roof of the mouth is formed by the what?
Hard and soft palates
In what position would a patient be placed following a tonsillectomy?
Lateral
What classification of drug reduces tissue inflammation?
Steroids
What is the result of adding epinephrine to a local anesthetic?
Prolong the anesthetic effect
What is not a type of sterilizing agent?
Boiling water
A diagnostic procedure performed for patients with possible prostatic cancer is known as a what?
Needle biopsy
How many hours is the steam biological indicator incubated?
24
What agent is used to flush the harvested saphenous vein during CABG?
Heparinized saline
In which of the following cases might the surgeon use a Gigli saw?
Craniotomy
Low level disinfectants kill most microbes but typically do not destroy:
Spores
Polymethyl methacrylate would most likely be used on which procedures?
Total knee arthroplasty
Which item should not be sterilized by dry heat?
Linen packs
What is a Verres needle used for during a laparoscopy?
To install CO2
Whiat method uses ultrasonic energy to fragment the lens?
Phacoemulsification
In procedure would fine hooks of carious angles be used?
Stapedectomy
Which incisional approach would be used for a splenectomy?
Left Subcostal
During a strabismus correction resection has a greater effect on which muscle?,
Lateral rectus
What is the best site for obtaining cortical bone graft?
Iliac crest
What is a non-electrolytic and isotonic solution used during a TURP?A.
Glycine
The structure that allows the eardrum to vibrate freely and connects the middle ear and the oropharynx is the what?
Eustachian tube
What procedures may require use of a manometer to check CSF pressure?
Ventriculoperitoneal shunt