Nokea
The patient has peritonitis, which is a major complication of appendicitis. What treatment will the nurse plan to include?
- A. Peritoneal lavage
- B. Peritoneal dialysis
- C. IV fluid replacement
- D. Increased oral fluid intake
Correct Answer: C
Rationale: The correct answer is C: IV fluid replacement. IV fluids are essential in managing peritonitis to maintain hydration and electrolyte balance. It helps to support the patient's circulation and prevent shock. Peritoneal lavage (choice A) is not typically used in the treatment of peritonitis. Peritoneal dialysis (choice B) is used for kidney failure, not peritonitis. Increased oral fluid intake (choice D) may not be sufficient in cases of peritonitis where IV fluids are needed for rapid rehydration and support.
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The family members of a patient with hepatitis A ask if there is anything that will prevent them from developing the disease. What is the best response by the nurse?
- A. No immunization is available for hepatitis A, nor are you likely to get the disease.'
- B. All family members should receive the hepatitis A vaccine to prevent or modify the infection.'
- C. Those who have had household or close contact with the patient should receive immune globulin.'
- D. Only those individuals who have had sexual contact with the patient should receive immunization.'
Correct Answer: C
Rationale: The correct answer is C: Those who have had household or close contact with the patient should receive immune globulin. This is because immune globulin can provide passive immunity to those exposed to hepatitis A, reducing the risk of developing the disease. Hepatitis A vaccine is not effective post-exposure, so it would not prevent disease in this scenario (option B). Option A is incorrect as there is a vaccine available for hepatitis A. Option D is incorrect because hepatitis A is primarily transmitted through fecal-oral route, not sexual contact.
Proteins are split by all of the following pancreatic factors except which one?
- A. zymogen
- B. chymotrypsin
- C. trypsin
- D. carboxypeptidase
Correct Answer: A
Rationale: The correct answer is A: zymogen. Zymogen is an inactive precursor form of an enzyme that is converted to its active form by certain conditions, such as pH or other enzymes. In contrast, chymotrypsin, trypsin, and carboxypeptidase are all pancreatic enzymes directly involved in the breakdown of proteins. Therefore, zymogen does not directly split proteins, making it the exception among the pancreatic factors listed.
Which of the following statements correctly describes GABA (gamma-amino butyric acid)?
- A. GABA is released at the presynaptic terminal to inhibit dopamine release
- B. GABA is released by GABA neurons and blocks propagation of the dopamine-triggered signal in the post synapse
- C. heroin and morphine stimulate GABA release
- D. all of the above are true
Correct Answer: B
Rationale: Rationale: Choice B is correct because GABA is indeed released by GABA neurons and acts to inhibit the propagation of signals triggered by dopamine in the post-synaptic neuron. GABA functions as an inhibitory neurotransmitter in the central nervous system. Choices A and C are incorrect. Choice A is inaccurate because GABA inhibits the release of dopamine, not the other way around. Choice C is incorrect as heroin and morphine act on opioid receptors, not GABA receptors. Choice D is incorrect because not all statements are true.
A nurse is providing instructions for a 52-year-old client who is scheduled for a colonoscopy. The client reports that he has not had the procedure before and is very anxious about feeling pain during the procedure. Which of the following responses by the nurse is appropriate?
- A. Don't worry; most clients dislike the prep more than the procedure itself.'
- B. Before the examination, your provider will give you a sedative that will make you sleepy.'
- C. I know you're anxious, but this procedure is recommended for people your age.'
- D. After you have signed the consent form, we can talk more about this.'
Correct Answer: B
Rationale: Step 1: Providing a sedative before the colonoscopy is appropriate as it helps reduce anxiety and discomfort during the procedure.
Step 2: Sedatives induce relaxation and drowsiness, making the client feel sleepy and less likely to experience pain.
Step 3: Addressing the client's anxiety by mentioning the sedative shows empathy and reassurance.
Step 4: This option focuses on addressing the client's concern about pain during the procedure effectively.
Summary:
- Option A dismisses the client's concerns and does not provide a solution.
- Option C acknowledges the anxiety but does not offer a specific solution.
- Option D delays addressing the client's anxiety without providing immediate reassurance or information.
The stomach, small intestine and large intestine are lined by this epithelium.
- A. simple squamous
- B. stratified squamous
- C. simple columnar
- D. pseudostratified columnar
Correct Answer: C
Rationale: The correct answer is C: simple columnar epithelium. This type of epithelium is found in the stomach, small intestine, and large intestine. Simple columnar epithelium is ideal for absorption and secretion due to its tall, column-like shape and presence of microvilli. It provides a large surface area for nutrient absorption. Simple squamous epithelium (choice A) is thin and is found in areas where filtration or diffusion occurs, like the lungs. Stratified squamous epithelium (choice B) is found in areas subject to mechanical stress, such as the skin. Pseudostratified columnar epithelium (choice D) is typically found in the respiratory tract and has cilia for moving mucus.