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Chapter 5: Problem 34

A patient is scheduled for abdominal surgery and is ordered Neomycin. Neomycin is given to prevent formation of: 1\. ammonia. 2\. urea. 3\. hemoglobin. 4\. bile.

Short Answer

Expert verified
Neomycin is given to prevent the formation of ammonia.

Step by step solution

01

Understand the role of Neomycin

Neomycin is an antibiotic that is often used to reduce the number of bacteria in the intestines. Before surgeries, it is used to decrease the risk of infections by targeting gut bacteria that produce harmful substances.
02

Recognize the byproducts of intestinal bacteria

Intestinal bacteria can break down proteins into various byproducts. One of these byproducts is ammonia, which can be particularly concerning for patients with liver issues or those undergoing abdominal surgery, as ammonia accumulation can be harmful.
03

Identify the correct function of Neomycin in this context

Given Neomycin's use in decreasing gut bacteria to prevent the formation of harmful substances, we can deduce its purpose is to prevent the formation of ammonia. This is because reducing bacteria reduces the breakdown of proteins into ammonia in the intestines.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

The Role of Antibiotics
Antibiotics, like Neomycin, are a class of drugs designed to combat bacterial infections. They work by either killing bacteria directly or by inhibiting their growth. Antibiotics are crucial in various medical procedures, including surgeries, to prevent infections. By reducing or eliminating harmful bacteria, antibiotics help maintain health and support recovery processes. In the context of abdominal surgery, using an antibiotic such as Neomycin aids in reducing the bacterial load in the intestines.
This, in turn, minimizes the risk of postoperative complications such as infections or the production of toxic byproducts.
Understanding Abdominal Surgery
Abdominal surgery refers to any surgical operation that involves the organs inside the abdominal cavity. These procedures can be complex due to the numerous organs and tissues involved, including the stomach, intestines, liver, and gallbladder.
The primary concern in any surgery, especially abdominal, is the risk of infection, which can significantly affect healing and recovery. This is why antibiotics like Neomycin are administered before surgery to reduce the presence of harmful bacteria. Keeping the intestine as free from bacteria as possible helps in preventing infections that can stem from surgical intervention.
Intestinal Bacteria and Their Impact
Intestinal bacteria are microorganisms residing in our digestive tract. While many bacteria are beneficial, aiding in digestion and nutrient absorption, others can be harmful. When proteins from food enter the intestines, certain bacteria break them down, sometimes producing toxic byproducts, such as ammonia.
Reducing the population of these bacteria is crucial, especially in surgical contexts to prevent excessive ammonia production. High levels of ammonia in the body can lead to complications, particularly in patients with compromised liver function. Thus, controlling bacterial levels in the intestines becomes an essential part of preparing for abdominal surgery.
Ammonia Production and Its Risks
Ammonia is a byproduct of the breakdown of proteins by certain bacteria in the intestines. In small amounts, ammonia is manageable by the liver, which converts it into urea, a less toxic substance excreted in urine. However, when there is an abundance of intestinal bacteria producing large amounts of ammonia, it can pose significant risks.
  • A build-up of ammonia can be particularly dangerous for individuals with liver dysfunction, leading to conditions like hepatic encephalopathy, which affects brain function.
  • In the context of abdominal surgery, managing ammonia production is critical to prevent added stress on the liver and other organs.
  • Neomycin plays a role in minimizing ammonia levels by reducing the bacteria responsible for its production, thus lowering the risk of complications.

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Most popular questions from this chapter

The nurse is planning a presentation for a group of adults age 65 or older about sleep. Which of the following should be included in the teaching plan? 1\. Sleep-wakefulness patterns are often altered as one ages. 2\. The amount of REM sleep increases as one ages. 3\. Some adults have no Stage I sleep after the age of 60. 4\. Over the age of 60, clients are less likely to be disturbed by noise.

When administering a narcotic with a non-narcotic to relieve severe cancer pain, the nurse must remember: 1\. this combination enhances pain relief. 2\. this combination treats pain both centrally and peripherally. 3\. the narcotic potentiates action of the non-narcotic. 4\. each drug works in its own right.

The nurse is caring for a client who had a restless night due to postoperative pain. When the nurse enters the room at 7 AM for morning vital signs, the client is sound asleep. The nurse should: 1\. document that the client was asleep at 7 AM and leave the room. 2\. assess the client鈥檚 vital signs while trying not to disturb him. 3\. ask the night shift nurse what the client鈥檚 vital signs were at 4 AM. 4\. allow the client to rest and assess the vital signs later in the morning.

The nurse empties a foley catheter bag for a client who appears to be asleep. The client is easily aroused when the nurse is close to the client鈥檚 bedside. The nurse determines that the client was most likely in the non-REM sleep stage: 1\. I. 2\. II. 3\. III. 4\. IV

Which is the best way for the nurse to position a hemiplegic client in a semi- Fowler鈥檚 position? 1\. Turn the client to one side and support with a back pillow. 2\. Position client鈥檚 head on a large, firm pillow. 3\. Elevate head and trunk 70鈥�90 degrees. 4\. Flex the client鈥檚 knees.
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