Nokea
The bronchospasm and dyspnea are clinical manifestation of organophosphorus poisoning are caused by :
- A. muscarinic action
- B. nicotinic action
- C. CNS action
- D. all the above
Correct Answer: A
Rationale: The bronchospasm and dyspnea seen in organophosphorus poisoning are primarily caused by the muscarinic action of the toxic substance. Organophosphates inhibit acetylcholinesterase, leading to an excess of acetylcholine at the neuromuscular junctions. This results in overstimulation of muscarinic receptors, causing symptoms such as bronchoconstriction, increased secretions, and respiratory distress. Nicotinic actions primarily lead to muscle weakness and paralysis, while CNS actions can cause seizures and altered mental status. So, in the case of bronchospasm and dyspnea, the muscarinic action is the main contributing factor.
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Which of the following intravenous solutions is hypotonic?
- A. Normal saline
- B. Ringer's lactate
- C. 0.45% saline
- D. 5% dextrose in normal saline  A1 PASSERS TRAINING, RESEARCH, REVIEW & DEVELOPMENT COMPANY MEDICAL SURGICAL NURSING SET F
Correct Answer: C
Rationale: A hypotonic solution has a lower concentration of solutes compared to the cells in the body. 0.45% saline is hypotonic because it has a lower concentration of sodium chloride compared to the normal extracellular fluid in the body. When this solution is administered intravenously, water will move into the cells to balance the concentration gradient, potentially causing cellular swelling. A hypotonic solution is used to rehydrate cells in cases of hypernatremia or dehydration with cellular dehydration.
Reggie is a teenager suffering from osteomyelitis; the nurse would expect which of the following symptoms? Select all that apply.
- A. Fever
- B. Irritability
- C. Pallor
- D. Tenderness
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
The school nurse is conducting a class for school-age children on Lyme disease. Which is characteristic of Lyme disease?
- A. Difficult to prevent
- B. Treated with oral antibiotics in stages 1, 2, and 3
- C. Caused by a spirochete that enters the skin through a tick bite
- D. Common in geographic areas where the soil contains the mycotic spores that cause the disease
Correct Answer: C
Rationale: Lyme disease is caused by a spirochete bacterium called Borrelia burgdorferi, which enters the skin through the bite of an infected deer tick. It is primarily transmitted to humans through the bite of infected black-legged ticks, commonly known as deer ticks. These ticks carry the bacterium in their gut and can transmit it to humans when they feed on blood. Therefore, Lyme disease is characterized by being caused by a spirochete that enters the skin through a tick bite. Option C is the correct answer in this case, as options A, B, and D do not accurately describe the characteristics of Lyme disease.
A patient with a brain tumor is admitted to the medical unit to begin radiation treatments. Which nursing action should take priority?
- A. Pad the patient's side rails
- B. Teach the patient what to expect during
- C. Assess the patient's pain level radiation treatments
- D. Place the patient in isolation
Correct Answer: C
Rationale: Assessing the patient's pain level should take priority in this situation because pain management is crucial for the comfort and well-being of the patient with a brain tumor undergoing radiation treatments. Pain can affect the patient's overall quality of life and participation in treatment. By promptly assessing the patient's pain level, the nurse can determine the need for appropriate pain management interventions to ensure the patient's comfort and enhance treatment outcomes. It is important to address the patient's pain to provide holistic care and improve the patient's overall experience during the treatment process.
A client with type 1 diabetes mellitus asks the nurse about taking an oral antidiabetic agent. The nurse explains that these medications are only effective if the client:
- A. prefers to take insulin orally.
- B. has type 1diabetes.
- C. has type 2 diabetes.
- D. is pregnant and has type 2 diabet
Correct Answer: C
Rationale: Oral antidiabetic agents are medications designed specifically for the management of type 2 diabetes mellitus. They work by improving insulin sensitivity, increasing insulin production, or reducing glucose production in the liver. Type 1 diabetes mellitus is characterized by an absolute deficiency of insulin production, requiring lifelong insulin therapy. Therefore, oral antidiabetic agents are not effective for individuals with type 1 diabetes like the client in this scenario.