1Formulas and methods
Prioritization & delegation
Method
- Ask what will harm the patient soonest if nothing is done.
- Apply ABC (C-A-B in cardiac arrest), then Maslow: physiological needs before safety, safety before psychological needs.
- Compare the options: acute before chronic, unstable before stable, unexpected before expected, systemic before local, and check each finding against the patient’s baseline.
- Assess before you act unless it is an emergency; then choose the step the others depend on.
- For delegation, check the five rights: task, circumstance, person, directions and supervision. Assessment, teaching and evaluation stay with the RN.
Infection control & patient safety
Method
- Start with standard precautions for every patient: hand hygiene, PPE for the expected exposure, safe sharps.
- Add precautions by route: contact (gown, gloves), droplet (surgical mask), airborne (N95, negative-pressure room).
- Keep sterile items sterile: if in doubt, it is not sterile; replace, never wipe.
- Prevent harm in the environment: fall measures, restraints only as a last resort, RACE and PASS for fire.
- Check the rights of medication administration, two identifiers and extra safeguards for high-alert drugs; report errors and near misses.
Lab values & electrolytes
Method
- Compare the value with the laboratory’s own reference range, then with the patient’s baseline and trend.
- Check the sample: hemolysis, a delay, or blood drawn near an IV can give false results.
- Link the value to its typical signs and to the drugs and conditions that cause it.
- Look for interactions: low potassium or magnesium increases digoxin toxicity; dehydration raises lithium.
- Act on the patient: assess, hold a drug if the level is unsafe, read back critical values and inform the prescriber.
Med-surg: cardiovascular & respiratory
Method
- Name the problem: pump failure, blocked artery, rhythm, clot, airway narrowing, infection or a device problem.
- Check the danger signs first: hypoxia, hypotension, chest pain, new confusion, a cold pulseless limb.
- Match the oxygen to the patient: 94–98% for most, 88–92% for those at risk of CO₂ retention.
- Link each drug to its test and its risk: warfarin and INR, heparin and aPTT and platelets, diuretics and potassium.
- Choose the safe first action, then escalate and reassess.
Med-surg: neuro, endocrine & renal
Method
- Check the glucose in every patient with new confusion, weakness or a seizure.
- Use the level of consciousness as the earliest warning of brain trouble; pupils and Cushing’s triad come late.
- For diabetes emergencies, separate DKA (ketones, acidosis) from HHS (very high osmolality, dehydration); give fluids first.
- For sodium and water, decide whether ADH is in excess (SIADH) or missing (DI), and correct chronic changes slowly.
- For kidney problems, sort the cause into pre-renal, intrinsic or post-renal, and watch potassium and fluid.
Med-surg: GI, perioperative & oncology
Method
- Ask what could be hidden: internal bleeding, infection without fever, hypoventilation behind a normal SpO₂.
- Use the timing after surgery to narrow the complications: bleeding in hours, chest problems in days, wound and leak problems later.
- For pain, assess, treat with multimodal analgesia, reassess, and monitor sedation with every opioid.
- For cancer patients, treat any illness during the nadir as neutropenic sepsis and know the oncological emergencies.
- For burns, count only partial- and full-thickness areas, start the Parkland clock at the time of the burn and titrate to urine output.
2Practice problems
1.Prioritization & delegationMedium
A nurse takes a telephone order from a provider. What must the nurse do?
- ARemember the order and write it in the chart at the end of the shift
- BAsk the ward clerk to take the order on the nurse’s behalf instead
- CWrite the order down and read it back to the provider to confirm it
- DCarry out the order first and ask the provider to confirm it later
2.Prioritization & delegationHard
After the RN taught a patient to inject insulin, an LPN/LVN reports that the patient still cannot draw up the dose correctly. What should happen next?
- AThe LPN/LVN writes a new teaching plan and evaluates it at the end of the shift
- BThe nursing assistant shows the patient again at lunch
- CThe patient is discharged with a leaflet to read at home
- DThe RN reassesses the patient’s learning needs and adjusts the teaching
3.Infection control & patient safetyMedium
A patient receiving continuous nasogastric feeding has pulled the tube partly out. What should the nurse do first?
- AIncrease the feed rate to make up for the lost time
- BTape the tube in its new position and continue
- CPush the tube back in and restart the feed
- DStop the feeding until the tube position is checked
4.Infection control & patient safetyHard
Which patient most needs fall precautions?
- AAn alert patient on bed rest who follows instructions
- BA patient awaiting discharge who walks independently
- CAn older patient, newly confused, on a sedative, with an unsteady gait
- DA young adult with a broken finger who walks steadily and safely unaided
5.Lab values & electrolytesMedium
How does the nurse start a 24-hour urine collection at 08:00?
- ASave three samples spread across the day and discard all of the urine passed at night
- BHave the patient void and discard that urine, then save all urine until 08:00 the next day
- CSave the 08:00 urine as the first sample, then collect until 08:00 the next day
- DCollect only the first urine passed on waking, and repeat this the next morning
6.Lab values & electrolytesHard
After a crush injury, a patient's urine dipstick is strongly positive for blood, but microscopy shows almost no red cells. CK is very high. What best explains this?
- AThe sample was contaminated with menstrual blood
- BMyoglobin from damaged muscle is in the urine
- CBleeding is coming from the bladder lining
- DA kidney stone is scraping the ureter lining
7.Clinical nursingMedium
How does CPAP help a patient with obstructive sleep apnoea?
- AIt removes excess carbon dioxide from the lungs by gentle suction
- BIt keeps the upper airway open during sleep with continuous air pressure
- CIt strengthens the breathing muscles during the day
- DIt delivers bronchodilator drugs deep into the lungs overnight
8.Clinical nursingHard
A nurse teaches a patient with reflux disease. Which statement shows a need for further teaching?
- A"I will try to lose some weight over the next months."
- B"A big meal just before bed is fine if I take my tablet."
- C"I will cut down on alcohol."
- D"I will raise the head of my bed with blocks."
9.Med-surg: cardiovascular & respiratoryMedium
After thrombolysis for a myocardial infarction, which complication is the nurse most concerned to detect?
- AA skin rash appearing at the sites of the ECG electrodes
- BConstipation from bed rest
- CA high blood glucose caused by the thrombolytic drug itself
- DBleeding, including a sudden change in neurological status
10.Med-surg: cardiovascular & respiratoryHard
A patient with asthma has a history of wheeze after taking aspirin. Ibuprofen is prescribed for postoperative pain. What should the nurse do?
- AGive it, because ibuprofen is not related to aspirin
- BGive it only if the pain score is above 8/10
- CWithhold it and ask for an alternative
- DGive it with the reliever inhaler at the same time
11.Med-surg: neuro, endocrine & renalMedium
A patient takes an SGLT2 inhibitor. Which sick-day advice is correct?
- ADouble the dose during illness to control the glucose
- BStop drinking fluids while taking the drug
- CKeep taking it as normal, whatever the illness
- DPause the drug during illness with vomiting or poor intake
12.Med-surg: neuro, endocrine & renalHard
Two days after an ileal conduit was formed, the stoma is dark purple and dry. What should the nurse do?
- ARecord it as normal for a new stoma
- BApply a warm compress to improve the colour of the stoma
- CChange the bag and check again next week
- DReport it urgently, because the stoma may be ischaemic
13.Med-surg: GI, perioperative & oncologyMedium
What is achalasia?
- AA tear at the junction of the oesophagus and the stomach
- BFailure of the lower oesophageal sphincter to relax on swallowing
- CInflammation of the oesophagus caused by a fungal infection
- DWeakness of the lower oesophageal sphincter that allows reflux
14.Med-surg: GI, perioperative & oncologyHard
A nurse teaches a patient after a colonoscopy with polyp removal. Which statement shows a need for further teaching?
- A"I should report a fever or a swollen, painful abdomen."
- B"Some wind and bloating today is expected."
- C"Severe abdominal pain is normal for a week afterwards."
- D"I'll report heavy bleeding from my bottom."
3Solutions
1.Prioritization & delegation
Answer: C · Write the order down and read it back to the provider to confirm it
Why this is the answer
For telephone and verbal orders, the nurse writes down the full order and reads it back so the provider can confirm it. This “read-back” prevents errors from mishearing.
C · Write the order down and read it back to the provider to confirm it
2.Prioritization & delegation
Answer: D · The RN reassesses the patient’s learning needs and adjusts the teaching
Why this is the answer
Evaluating learning and changing the teaching plan belong to the RN. The LPN/LVN can reinforce teaching, but a teaching plan that is not working needs RN reassessment.
D · The RN reassesses the patient’s learning needs and adjusts the teaching
3.Infection control & patient safety
Answer: D · Stop the feeding until the tube position is checked
Why this is the answer
A displaced tube may now sit in the esophagus or airway. The feeding is stopped and the tube is not pushed back blindly. Its position is checked according to policy, or it is replaced.
D · Stop the feeding until the tube position is checked
4.Infection control & patient safety
Answer: C · An older patient, newly confused, on a sedative, with an unsteady gait
Why this is the answer
New confusion, a sedative and an unsteady gait are major fall risk factors. The patient needs measures such as a low bed, scheduled toileting, close observation and a medication review.
C · An older patient, newly confused, on a sedative, with an unsteady gait
5.Lab values & electrolytes
Answer: B · Have the patient void and discard that urine, then save all urine until 08:00 the next day
Why this is the answer
The collection starts with an empty bladder, so the first void is discarded and the time recorded. All urine for the next 24 hours is saved, including a final void at the end time. If urine is discarded by mistake, the collection usually has to restart.Checked against: Urine 24-hour volume · MedlinePlus (NIH) (2025)
B · Have the patient void and discard that urine, then save all urine until 08:00 the next day
6.Lab values & electrolytes
Answer: B · Myoglobin from damaged muscle is in the urine
Why this is the answer
The dipstick blood test detects heme, which is present in both hemoglobin and myoglobin. Positive "blood" without red cells, together with a very high CK, indicates myoglobinuria from rhabdomyolysis, which can damage the kidneys. IV fluids and close monitoring of urine output and potassium are needed.Checked against: Myoglobin urine test · MedlinePlus (NIH) (2025); Rhabdomyolysis · MedlinePlus (NIH) (2025); Creatine Kinase · MedlinePlus (NIH) (2023)
B · Myoglobin from damaged muscle is in the urine
7.Clinical nursing
Answer: B · It keeps the upper airway open during sleep with continuous air pressure
Why this is the answer
Continuous positive airway pressure acts as a splint for the upper airway, preventing collapse and apnoeas. Patients should bring their CPAP machine into hospital.
B · It keeps the upper airway open during sleep with continuous air pressure
8.Clinical nursing
Answer: B · "A big meal just before bed is fine if I take my tablet."
Why this is the answer
Large late meals increase reflux even when a PPI is taken. Raising the head of the bed, losing weight and reducing alcohol are correct measures.
B · "A big meal just before bed is fine if I take my tablet."
9.Med-surg: cardiovascular & respiratory
Answer: D · Bleeding, including a sudden change in neurological status
Why this is the answer
The main risk of thrombolysis is bleeding, from puncture sites, gums or the gut, and most seriously intracranial haemorrhage. The nurse monitors puncture sites, vital signs and neurological status and minimises invasive procedures. Reperfusion arrhythmias are also common.
D · Bleeding, including a sudden change in neurological status
10.Med-surg: cardiovascular & respiratory
Answer: C · Withhold it and ask for an alternative
Why this is the answer
In NSAID-exacerbated respiratory disease, aspirin and other COX-1 inhibiting NSAIDs can trigger severe bronchospasm. A patient with a history of reacting to aspirin should not receive other NSAIDs without specialist advice. Paracetamol at usual doses is generally tolerated.
C · Withhold it and ask for an alternative
11.Med-surg: neuro, endocrine & renal
Answer: D · Pause the drug during illness with vomiting or poor intake
Why this is the answer
During dehydrating illness, SGLT2 inhibitors increase the risk of DKA, which can occur with only modestly raised glucose, and of acute kidney injury. Patients are taught to pause them until they are eating and drinking normally.
D · Pause the drug during illness with vomiting or poor intake
12.Med-surg: neuro, endocrine & renal
Answer: D · Report it urgently, because the stoma may be ischaemic
Why this is the answer
A dusky, purple or black stoma suggests poor blood supply and possible necrosis. It needs urgent surgical review. A healthy stoma is moist and pink to red, and some swelling is normal at first.
D · Report it urgently, because the stoma may be ischaemic
13.Med-surg: GI, perioperative & oncology
Answer: B · Failure of the lower oesophageal sphincter to relax on swallowing
Why this is the answer
In achalasia, peristalsis is lost and the lower oesophageal sphincter does not relax, causing dysphagia to both solids and liquids, regurgitation and weight loss. Treatments include dilatation and surgical myotomy.
B · Failure of the lower oesophageal sphincter to relax on swallowing
14.Med-surg: GI, perioperative & oncology
Answer: C · "Severe abdominal pain is normal for a week afterwards."
Why this is the answer
Mild bloating and cramps from the air used are expected. Severe or worsening pain, fever, a distended abdomen or heavy rectal bleeding can mean perforation or haemorrhage and must be reported straight away.
C · "Severe abdominal pain is normal for a week afterwards."
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