dmi 49 quiz ch 18 and 19 (B)

to confirm the placement of an NG tube in its proper position, a physician may use: a. a syringe to remove gastric contents as proof and fluoroscopy for visualization. b. fluoroscopy for visualization. c. a device to measure the length of tubing inserted. d. a syringe to remove gastric contents as proof.

a. a syringe to remove gastric contents as proof and fluoroscopy for visualization.

currently, in most radiology departments, barium studies of the colon: a. employ carbon dioxide and barium as a double-contrast exam. b. require no special colon preparation. c. are single-contrast studies using Gastrografin. d. do not use fluoroscopy and utilize the technology of CT.

a. employ carbon dioxide and barium as a double-contrast exam.

which of the following should be examined first when a sterile package is used? a. expiration date. b. the tightness of the wrapping. c. way the package is folded. d. type of material used to wrap the package.

a. expiration date.

When a Foley catheter system is inserted into a patient for an expected period of 4 to 6 weeks: a. polyvinyl chloride catheter is used. b. the catheter will most likely not have an inflatable balloon end. c. the patient is taught how to remove and replace the Foley using aseptic techniques. d. a suction pump is attached to the drainage bag to ensure bladder emptying.

a. polyvinyl chloride catheter is used.

the most common type of nasogastric tube used for stomach decompression is the: a. single-lumen Levin tube. b. peripherally inserted central catheter (PICC). c. double-lumen valvular Clevis tube. d. Swan-Ganz catheter.

a. single-lumen Levin tube.

the purpose of the inflatable balloon portion at the tip of the Foley catheter is to: a. present the backflow of the urine into the ureters. b. hold the catheter within the bladder. c. permit its visualization under fluoroscopy. d. induce the stimulus for voiding.

b. hold the catheter within the bladder.

all of the following situations would require aseptic techniques except: a. insertion of central venous line. b. insertion of barium enema tip. c. insertion of an angiographic catheter. d. insertion of an indwelling Foley catheter.

b. insertion of barium enema tip.

NG tubes are inserted through the patient's ___ with the end of the tube placed in the ___. a. oropharynx; stomach. b. mouth; duodenum. c. mouth; ileum d. nasopharynx; stomach.

d. nasopharynx; stomach.

Nasogastric (NG) tubes are inserted with the patient in the ______ position. a. Sims'. b. high Fowler. c. Trendelenburg. d. recumbent, prone.

b. high Fowler.

For a single-contrast barium enema: a. spot images of the cecum, hepatic flexure, splenic flexure, and sigmoid are taken. b. a post-evacuation image is taken 24 hours later to assess emptying. c. air or carbon dioxide is used as a contrast agent. d. approximately 500 mL of barium is used for an adult.

a. spot images of the cecum, hepatic flexure, splenic flexure, and sigmoid are taken.

all of the following are true of cleansing enemas except: a. they are intended for the administration of enteric medications. b. hydrating patients is a significant concern for patients undergoing a cleansing enema. c. they are complete when bowel contents are clear and free of fecal matter. d. they promote the defecation reflex and discharge.

a. they are intended for the administration of enteric medications.

As you begin to perform a hip examination on an elderly female patient who has undergone hip surgery, the patient states that she "needs to go to the bathroom." Which of the following should be done? 1. Use a standard bedpan. 2. Provide for the patient's privacy and locate a fracture bedpan. 3. Be sure to wear gloves and wash your hands. 4. If the bedpan is metallic, run it under warm water for patient comfort and discard in a recycling bin. 5. You and an assistant should assist the patient with movement onto the bedpan. 6. Return the patient to the nursing floor for cleanup and patient hygiene. a. 2, 3, 4, 5, and 6 only. b. 2, 3, and 5 only. c. 1, 5, and 6 only. d. 2, 3, 5, and 6 only.

b. 2, 3, and 5 only.

all of the following are true of virtual colonoscopy except: a. they typically require no sedation or referral from the patient's doctor. b. it is performed using MR technology. c. it is considered a minimally invasive diagnostic study. d. hundreds of images are obtained in seconds, permitting the processing of a 3D study of the colon.

b. it is performed using MR technology.

the role of imaging technologist during cardiac pacemaker studies is to: a. assist the surgeon with sterile technique. b. operate fluoroscopy for the physician as he or she guides the pacemaker into position. c. position the patient into various oblique angles for static radiographic images. d. provide nursing care to the patient and monitor the electrophysiology data.

b. operate fluoroscopy for the physician as he or she guides the pacemaker into position.

you are about to assist with a sterile procedure. in scrubbing for the procedure, it is important to: a. tightly wrap surgical tape around your rings and watch, before scrubbing. b. scrub the fingers completely, as well as the front and back of your hands, for 3 minutes. c. keep your arms down when scrubbing to prevent fluids running up your arm. d. use a surgical antimicrobial solution such as alcohol or antiseptic soap.

b. scrub the fingers completely, as well as the front and back of your hands, for 3 minutes.

when using a portable C-arm for a surgical hip pinning: a. snap covers are not recommended. b. sterility will be maintained using a "shower curtain" approach. c. the surgeon can reach through the curtain and move the C-arm manually. d. an additional sterile towel is positioned over the incision site and then removed when the C-arm is brought into the field of view for imaging.

b. sterility will be maintained using a "shower curtain" approach.

when putting on a pair of sterile gloves using the self-gloving, open technique: a. the glove package is open and positioned so the wearer crosses his or her arm over the left glove to reach for the right glove. b. the first glove is picked up by the inside cuff with one hand, being careful not to touch the outside of the glove. c. jewelry must be wrapped in skin tape and may remain during gloving. d. the remaining glove is grabbed by the outside and placed on the unsterile hand, making it sterile.

b. the first glove is picked up by the inside cuff with one hand, being careful not to touch the outside of the glove.

you are working as a radiographer in a busy imaging department, late into the evening. you receive a request for a portable chest radiograph on a cardiac patient in the ICU. your coworker comments that he just did a portable chest procedure on the same patient approximately 15 mins earlier and questions why they are ordering another one so soon. the rationale for this next chest image would most likely be: a. the floor had a change in nursing staff and they are reordering the examination to make sure it was completed. b. the patient has a central venous line, and the physician wants to check the repositioning. c. a new resident cardiologist arrived for his shift and wants his own image. d. the patient is now sleeping, and a better image can now be achieved.

b. the patient has a central venous line, and the physician wants to check the repositioning.

performing fluoroscopic examinations of the colon are scheduled less often than before. the reason for this change in the clinical study of the colon includes: a. patient tolerance for barium enemas as diminished. b. the sensitivity of colonoscopy has surpassed the results of barium contrast colon studies. c. an increased cost of barium as a contrast agent. d. the shortage of radiologists has made fluoroscopy of the colon harder to schedule.

b. the sensitivity of colonoscopy has surpassed the results of barium contrast colon studies.

when gowning another person: a. the nonsterile person picks up the opened gown from behind, and hands it to the sterile person. b. sterile masks are unnecessary. c. a nonsterile circulating person pulls the gown up and fastens the back and waistband. d. the sterile person grabs the gown by the waist and wraps it around their waist with the assistance from the unsterile person.

c. a nonsterile circulating person pulls the gown up and fastens the back and waistband.

post-procedural care for patients who have had a colon examination should include: a. an awareness of the change in stool color to an ashen gray color and the importance of eliminating the barium during defecation. b. instructions for maintaining hydration. c. all of the above. d. an increase in fluid intake and dietary fiber for a few days after the examination.

c. all of the above.

which of the following is a true statement regarding cleansing enemas? a. cleansing enemas are typically not recommended for inflammatory bowel disease. b. oil retention enemas are used to "harden" stool material for more complete evacuation. c. diabetic patients require special colon preparation procedures. d. standardized colonic preparation protocols are used by all departments performing colon studies.

c. diabetic patients require special colon preparation procedures.

to facilitate removal of a nasogastric tube, the patient is: a. sedated heavily. b. placed in the Trendelenburg position. c. encouraged to take a deep breath. d. told to drink water through a straw.

c. encouraged to take a deep breath.

the radiographic evaluation of the small and large bowel that has been connected to the skin surface, as a substitute for the urinary bladder with an ostomy, is typically called a(n): a. fecagram. b. stomogram. c. loopogram. d. vesiculogram.

c. loopogram.

if you suspect the radiologist has unknowingly contaminated his or her glove, which of the following should you do? a. ignore the contamination as it is their responsibility to know their own contamination. b. remain silent so as not to jeopardize the case and complete a sentinel event report afterward. c. make the radiologist aware of the possible contamination immediately. d. confirm the contamination with a second person, and if there is agreement, inform the radiologist.

c. make the radiologist aware of the possible contamination immediately.

the use of a water-soluble contrast agent such as Gastrografin for a colon examination is warranted for patients with: a. an intussusception. b. pancreatitis. c. diverticulosis. d. a possible bowel perforation.

d. a possible bowel perforation.

When a barium exam of an ostomy patient is performed: a. glucagon is never given to such patients. b. the patient is imaged in the prone position. c. a larger volume of barium is used to allow for leakage around the stoma site. d. allow the patient to insert the enema cone-tip into the stoma orifice.

d. allow the patient to insert the enema cone-tip into the stoma orifice.

if the sterility of an object is unknown, which of the following should be done? a. use the object as long as the expiration date has not passed. b. ask the physician if it is alright to use the object. c. clean the object with a disinfectant or antimicrobial before using it. d. consider the object unsterile and do not use it.

d. consider the object unsterile and do not use it.

when transporting a patient with a NG tube to medical imaging: a. confirm the suction pressure before disconnecting the tube. b. make sure the NG tube is secured to the patient's nose. c. confirm the allowable time for suction interruption. d. do all of the above.

d. do all of the above.

When opening and pouring sterile solutions: a. both the inside and outside of the container are considered sterile. b. move the sterile basin to the edge of the sterile field. c. show the solution name and strength to another person before pouring. d. move the sterile basin to the edge of the sterile field and show the solution name and strength to another person before pouring are appropriate.

d. move the sterile basin to the edge of the sterile field and show the solution name and strength to another person before pouring are appropriate.