Nokea
Which of the following is not a part of the small intestine?
- A. Duodenum
- B. Jejunum
- C. Ileum
- D. Colon
Correct Answer: D
Rationale: The correct answer is D: Colon. The colon is not a part of the small intestine; it is part of the large intestine. The small intestine consists of three parts: the duodenum, jejunum, and ileum. The duodenum is the first segment of the small intestine, followed by the jejunum and then the ileum. The colon, also known as the large intestine, comes after the small intestine in the digestive system. Therefore, the colon is not a part of the small intestine, making choice D the correct answer.
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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 instructing a client who has GERD about positions that can help minimize the effects of reflux during sleep. Which of the following statements indicates to the nurse that the client understands the instructions?
- A. I will lie on my left side to sleep at night.'
- B. I will lie on my right side to sleep at night.'
- C. I will sleep on my back with my head flat.'
- D. I will sleep on my stomach with my head flat.'
Correct Answer: A
Rationale: The correct answer is A: "I will lie on my left side to sleep at night." This position helps prevent acid from flowing back into the esophagus due to the angle of the stomach in relation to the esophagus. Lying on the right side can worsen reflux. Sleeping on the back with the head flat can also worsen symptoms as gravity can allow acid to flow back up. Sleeping on the stomach with the head flat is not recommended as it can put pressure on the stomach, leading to increased reflux.
What is the primary function of the large intestine?
- A. absorbing nutrients
- B. absorbing water and electrolytes
- C. digesting proteins
- D. secreting digestive enzymes
Correct Answer: B
Rationale: The primary function of the large intestine is to absorb water and electrolytes from the indigestible food residue passed from the small intestine. This absorption process helps in forming solid waste (feces) and maintaining body fluid balance. Absorbing nutrients (Option A) primarily occurs in the small intestine. Digesting proteins (Option C) mainly takes place in the stomach and small intestine. The secretion of digestive enzymes (Option D) also primarily occurs in the stomach and small intestine, not in the large intestine. Therefore, the correct answer is B.
Priority Decision: A patient treated for vomiting is to begin oral intake when the symptoms have subside To promote rehydration
- A. the nurse plans to administer which fluid first?
- B. Water
- C. Hot tea
- D. Gatorade
Correct Answer: A
Rationale: Step 1: The priority is to administer fluids to rehydrate the patient.
Step 2: Intravenous fluids are not mentioned, so the nurse should start with oral fluids.
Step 3: Option A is the most appropriate choice as it addresses the need for fluid intake to promote rehydration.
Step 4: Water (Option B) lacks electrolytes that aid in rehydration.
Step 5: Hot tea (Option C) may irritate the stomach and not provide adequate hydration.
Step 6: Gatorade (Option D) contains electrolytes but may be too heavy for initial rehydration.
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.