Chapter 44: Introduction to the Gastrointestinal System and Accessory Structures

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A female client has presented to the emergency department with right upper quadrant pain; the health care provider has ordered abdominal ultrasound to rule out cholecystitis. The client expresses concern to the nurse about the safety of this diagnostic procedure. How should the nurse best respond?

"Abdominal ultrasound poses no known safety risks of any kind."

A client is scheduled for an ultrasound of the abdomen. Which statement indicates that teaching provided to the client to prepare for the test was effective?

"I will not eat or drink for 8 to 12 hours before the test."

A home care nurse is caring for a client with reports of epigastric discomfort who is scheduled for a barium swallow. Which statement by the client indicates an understanding of the test?

"I'll avoid eating or drinking anything 6 to 8 hours before the test."

A nurse is providing preprocedure education for a client who will undergo a lower Gl tract study the following week. What should the nurse teach the client about bowel preparation?

"You'll need to have enemas the day before the test."

A client reports a history of bleeding hemorrhoids to the nurse. Which observation supports the client's statement?

Blood streaks on stool

A client is being scheduled for a gastric analysis test. The nurse knows that which conditions can be diagnosed from this type of test? Select all that apply.

Gastric ulcer Gastric cancer Duodenal ulcer Pernicious anemia

A client with abdominal pain is scheduled for a CT scan of the abdomen with contrast. Which assessment will the nurse complete before transporting the client for the diagnostic test?

History of allergies

A client is scheduled for an upper gastrointestinal barium study. Which teaching will the nurse provide for the client to prepare for this diagnostic test?

Ingest nothing by mouth after midnight.

The nurse is assessing the abdomen of the client with an undiagnosed disorder. In which sequence would the nurse conduct the abdominal assessment? (Use all options.)

Inspection Auscultation Percussion Palpation The nurse is correct to assess the abdomen in a specific order to be able to judge the undistributed status of the abdominal region. Begin with inspection of the abdomen using the nurse's assessment skills. Next auscultate the abdomen before percussing and finally palpating.

Cystic fibrosis, a genetic disorder characterized by pulmonary and pancreatic dysfunction, usually appears in young children but can also affect adults. if the pancreas was functioning correctly, where would the bile and pancreatic enzymes enter the Gl system?

duodenum

The nurse is assessing a client who is stating gastrointestinal upset and a feeling of bloating. Which type of meal would the nurse anticipate causing these types of symptoms?

hamburger and french fries

A client asks the nursing assistant for a bedpan. When the client is finished, the nursing assistant notifies the nurse that the client has bright red streaking of blood in the stool. The nurse's assessment should focus on what potential cause?

hemorrhoids

A clinic client has described recent dark-colored stools, and the nurse recognizes the need for fecal occult blood testing (FOBT). What aspect of the client's current health status would contraindicate FOBT?

hemorrhoids

The nurse is preparing to perform a client's abdominal assessment. What examination sequence should the nurse follow?

inspection, auscultation, percussion, palpation

Which enzyme aids in the digestion of protein?

trypsin

Which term describes a gastric secretion that combines with vitamin B12 so that it can be absorbed?

Intrinsic factor Intrinsic factor, secreted by the gastric mucosa, combines with dietary vitamin B12 so that the vitamin can be absorbed in the ileum. In the absence of intrinsic factor, vitamin B12 cannot be absorbed and pernicious anemia results. Amylase is an enzyme that aids in the digestion of starch. Pepsin, an important enzyme for protein digestion, is the end product of the conversion of pepsinogen from the chief cells. Digestive enzymes secreted by the pancreas include trypsin, which aids in digesting protein.

A client with a gastrointestinal condition asks why the mouth needs to be examined. Which response will the nurse make?

"Changes in the mouth can help explain why your condition is occurring."

A client reports having red stools lately. What will the nurse ask during assessment questioning?

"Have you been eating beets?"

The nurse is caring for a client scheduled for a colonoscopy. The nurse should assist the client into what position during this diagnostic test?

Lying on the left side with legs drawn toward the chest

During a colonoscopy with moderate sedation, the patient groans with obvious discomfort and begins bleeding from the rectum. The patient is diaphoretic and has an increase in abdominal girth from distention. What complication of this procedure is the nurse aware may be occurring?

Bowel perforation Immediately after the test, the patient is monitored for signs and symptoms of bowel perforation (e.g., rectal bleeding, abdominal pain or distention, fever, focal peritoneal signs).

The nurse is caring for a geriatric client and notices polypharmacy. Which diagnostic studies are anticipated?

Liver function studies The liver metabolizes and biotransforms the medications ingested. Geriatric clients who experience polypharmacy or multiple medications have an elevated risk of liver impairment. Routine liver function studies monitor the status of the liver and its ability to metabolize.

A nurse is caring for clients in a stroke rehabilitation facility. Damage to what area of the brain will most affect a client's ability to swallow?

medulla oblongata

An advanced practice nurse is assessing the size and density of a client's abdominal organs. If the results of palpation are unclear to the nurse, what assessment technique should be implemented?

percussion

The nurse is answering questions regarding fecal matter for a client who is scheduled for a colon resection. The client is asking questions regarding the composition of the fecal matter and when it becomes a formed mass. The nurse is most correct to state at which location?

sigmoid colon

Which of the following digestive enzymes aids in the digesting of starch?

Amylase Digestive enzymes secreted by the pancreas include trypsin, which aids in digesting protein; amylase, which aids in digesting starch; and lipase, which aids in digesting fats. Bile is secreted by the liver and is not considered a digestive enzyme.

When examining the skin of a client who is dehydrated due to fluid losses from the gastrointestinal tract, which of the following would be most important?

Checking if the mucous membranes are dry Mucous membranes may be dry, and skin turgor may be poor in clients suffering from dehydration as a result of fluid losses from the GI tract. Checking the skin for discoloration and inspecting the sclera if it is yellow is taken into consideration when the client could have symptoms of jaundice, not fluid losses. Distended abdominal veins are not associated with dehydration.

A client presents at the ambulatory clinic reporting recurrent sharp stomach pain that is relieved by eating. The nurse suspects that the client may have an ulcer. How should the nurse explain the formation and role of acid in the stomach to the client?

Hydrochloric acid is secreted by glands in the stomach in response to the actual or anticipated presence of food.

Following ingestion of carrots or beets, the nurse would expect which alteration in stool color?

Red Carrots or beets will tend to change the stool color to red. Black stools are associated with iron, licorice, and charcoal. Senna is associated with yellow stools. A milky white stool is associated with administration of barium.

A client has been brought to the emergency department with abdominal pain and is subsequently diagnosed with appendicitis. The client is scheduled for an appendectomy but questions the nurse about how a person's health is affected by the absence of the appendix. How should the nurse best respond?

"Your appendix doesn't play a major role in health, so you won't notice any difference after your recovery from surgery."

The nurse determines one or two bowel sounds in 2 minutes should be documented as

Hypoactive Hypoactive bowel sound is the description given to auscultation of one to two bowel sounds in 2 minutes. Normal bowel sounds are heard every 5 to 20 seconds. Hyperactive bowel sounds occur when 5 or 6 sounds are heard in less than 30 seconds. The nurse records that bowel sounds are absent when no sound is heard in 3 to 5 minutes.

A client has sought care because of recent dark-colored stools. As a result, a fecal occult blood test has been ordered. The nurse should give what instructions to the client?

Take no NSAIDs within 48 hours of the test

The nurse is providing instructions to a client scheduled for a gastroscopy. What should the nurse be sure to include in the instructions? Select all that apply.

The client must fast for 8 hours before the examination. The throat will be sprayed with a local anesthetic. After gastroscopy, the client cannot eat or drink until the gag reflex returns (1 to 2 hours).

A client who has been in a motor-vehicle collision is comatose and has developed ascites as a result of the accident. The nurse explains the condition to the client's family, and indicates that the primary function of the small intestine is to:

absorb nutrients

A client has come to the outpatient radiology department for diagnostic testing that will allow the care team to evaluate and remove polyps. The nurse should prepare the client for what procedure?

colonoscopy

The nurse auscultates the abdomen to assess bowel sounds. She documents five to six sounds heard in less than 30 seconds. How does the nurse document the bowel sounds?

hyperactive Bowel sounds are assessed using the diaphragm of the stethoscope for high-pitched and gurgling sounds (Gu, Lim, & Moser, 2010). The frequency and character of the sounds are usually heard as clicks and gurgles that occur irregularly and range from 5 to 35 per minute. The terms normal (sounds heard about every 5 to 20 seconds), hypoactive (one or two sounds in 2 minutes), hyperactive (5 to 6 sounds heard in less than 30 seconds), or absent (no sounds in 3 to 5 minutes) are frequently used in documentation, but these assessments are highly subjective (Li, Wang, & Ma,

A nurse is caring for a newly admitted client with a suspected GI bleed. The nurse assesses the client's stool after a bowel movement and notes it to be a tarry-black color. This finding is suggestive of bleeding from what location?

upper GI tract


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