Deck 19: Nonaseptic Techniques

Question 1

Currently,in most radiology departments,barium studies of the colon

A) are single-contrast studies using Gastrografin.
B) employ carbon dioxide and barium as a double-contrast exam.
C) require no special colon preparation.
D) do not use fluoroscopy and utilize the technology of CT.

Answer 1

B

Question 2

Post-procedural care for patients who have had a colon examination should include

A) instructions for maintaining hydration.
B) an increase in fluid intake and dietary fiber for a few days after the examination.
C) an awareness of the change in stool color to an ashen gray color and the importance of eliminating the barium during defecation.
D) All of the above

Answer 2

D

Question 3

After bedpan use,hygiene of the female patient's perineum is important.Proper cleansing of this region requires using gloves and several folded tissues to wipe the region

A) from the anus to the mons pubis.
B) transversely between gluteal folds.
C) from the mons pubis to the anus.
D) in circular motions.

Answer 3

C

Question 4

NG tubes are inserted through the patient's _____ with the end of the tube placed in the _____.

A) mouth;duodenum
B) nasopharynx;stomach
C) mouth;ileum
D) oropharynx;stomach

Question 5

To facilitate removal of a nasogastric tube,the patient is

A) sedated heavily.
B) encouraged to take a deep breath.
C) placed in the Trendelenburg position.
D) told to drink water through a straw.

Question 6

To allow tissue healing from a partial colon resection,

A) the patient is encouraged to sleep in the recumbent,prone position.
B) an external stoma is created to allow for defecation.
C) the patient will be kept on a liquid diet for the entire recovery period.
D) the patient's colon will be clamped off distal to the resection site.

Question 7

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) an increased cost of barium as a contrast agent.
B) patient tolerance for barium enemas as diminished.
C) the sensitivity of colonoscopy has surpassed the results of barium contrast colon studies.
D) the shortage of radiologists has made fluoroscopy of the colon harder to schedule.

Question 8

All of the following are true of virtual colonoscopy except

A) it is performed using MR technology.
B) hundreds of images are obtained in seconds,permitting the processing of a 3D study of the colon.
C) it is considered a minimally invasive diagnostic study.
D) they typically require no sedation or referral from the patient's doctor.

Question 9

The use of a water-soluble contrast agent such as Gastrografin for a colon examination is warranted for patients with

A) an intussusception.
B) a possible bowel perforation.
C) diverticulosis.
D) pancreatitis.

Question 10

Nasogastric (NG)tubes are inserted with the patient in the _____ position.

A) Sims'
B) high Fowler
C) Trendelenburg
D) recumbent,prone

Question 11

The administration of glucagon shortly before a double-contrast barium enema is intended to

A) increase liver function and the release of glycogen.
B) cause the gallbladder to empty.
C) relieve bowel spasm.
D) increase peristalsis to improve bowel motility.

Question 12

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.

Question 13

To diagnose the condition of colitis,

A) single-contrast barium enema studies are considered the "gold-standard."
B) patients are heavily sedated to prevent motion and bowel motility.
C) colonoscopy is the preferred diagnostic study.
D) double-contrast colon studies are recommended without fluoroscopic assessment.

Question 14

The most common type of nasogastric tube used for stomach decompression is the

A) Swan-Ganz catheter.
B) double-lumen valvular Clevis tube.
C) peripherally inserted central catheter (PICC).
D) single-lumen Levin tube.

Question 15

Which of the following is a true statement regarding cleansing enemas?

A) Oil retention enemas are used to "harden" stool material for more complete evacuation.
B) Diabetic patients require special colon preparation procedures.
C) Standardized colonic preparation protocols are used by all departments performing colon studies.
D) Cleansing enemas are typically not recommended for inflammatory bowel disease.

Question 16

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.
B) fluoroscopy for visualization.
C) a device to measure the length of tubing inserted.
D) a syringe to remove gastric contents as proof and fluoroscopy for visualization

Question 17

For a single-contrast barium enema,

A) approximately 500 mL of barium is used for an adult.
B) air or carbon dioxide is used as a contrast agent.
C) spot images of the cecum,hepatic flexure,splenic flexure,and sigmoid are taken.
D) a post-evacuation image is taken 24 hours later to assess emptying.

Question 18

As you arrive into a patient's room for transport to radiology,you notice that the patient has an NG tube in place with a syringe upright and pinned to the gown.You should know that this patient

A) has a double-lumen NG tube in place.
B) has a Levine line that is single lumen.
C) must have the line clamped before transport.
D) has a double-lumen NG tube in place and must have the line clamped before transport.

Question 19

All of the following are true of cleansing enemas except

A) they are intended for the administration of enteric medications.
B) they promote the defecation reflex and discharge.
C) they are complete when bowel contents are clear and free of fecal matter.
D) hydrating patients is a significant concern for patients undergoing a cleansing enema.

Question 20

When performing a single-contrast barium enema examination,

A) show the patient the entire volume of enema solution to prepare him or her for the study.
B) suspend the enema bag above the table at a height no greater than 30 inches.
C) continue emptying the barium solution as the patient cramps to encourage peristalsis.
D) encourage the patient to use short breaths or gasps and to tighten abdominal movements,similar to a bowel movement.

Question 21

When a barium examination of an ostomy patient is performed,

A) the patient is imaged in the prone position.
B) allow the patient to insert the enema cone-tip into the stoma orifice.
C) glucagon is never given to such patients.
D) a larger volume of barium is used to allow for leakage around the stoma site.

Question 22

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) stomogram.
B) fecagram.
C) loopogram.
D) vesiculogram

Question 23

In preparation for a barium examination of a colostomy patient,it is important to

A) tell the patient to not take their bismuth anti-odor tablets before the examination.
B) understand the sensitivity of these patients to their condition and lifestyle change.
C) irrigate the stoma the night before and morning of the examination.
D) do all of the above.