Examen Integrado Farmacia Hospitalaria common mistakes
Examen Integrado Farmacia Hospitalaria · Understand the traps and how to avoid them.
Calculating infusion rates and dilutions from memory instead of setting up the dimensional analysis (mL/h = dose × volume ÷ amount) and checking that units cancel before committing to an answer.
Candidates rush because rate calculations look familiar, and under time pressure they skip the unit-cancellation step, producing answers that are off by factors of 60 or 1000.
What to do instead
Write the full equation with units at every step, solve twice using an independent route (e.g., mg/h ÷ mg/mL), and sanity-check the result against a known reference rate (a typical infusion is tens of mL/h, not hundreds).
Reporting vancomycin or aminoglycoside monitoring values without applying the correct sampling-time rules (trough drawn within 30 min of the next dose, AUC-based vancomycin dosing, peak timing relative to infusion end).
Candidates memorize target ranges but not the sampling conditions, so they interpret a mis-timed level as a true pharmacokinetic result.
What to do instead
For every TDM question, first state when the sample was drawn relative to the dose and infusion, then decide whether the level is interpretable; recalculate timing-adjusted values before adjusting dose.
Choosing an empiric antibiotic regimen based on the drug name alone without checking local resistance patterns, site penetration, and de-escalation criteria.
Exam questions reward the 'textbook' broad-spectrum answer, and candidates default to the broadest option rather than the one matched to the scenario's culture data and stewardship principles.
What to do instead
For each antimicrobial question, explicitly identify the organism/site, then select the narrowest agent with adequate penetration, and state the de-escalation trigger (culture result, clinical response at 48–72 h).
Preparing or validating a sterile compound without verifying compatibility and stability data (diluent, concentration, container, light/temperature sensitivity) before finalizing the preparation.
Candidates focus on the arithmetic of the dose and treat compatibility as an afterthought, missing precipitation, inactivation, or degradation risks.
What to do instead
Build a checklist: drug–diluent compatibility, final concentration within labeled range, container/administration set adsorption, and beyond-use date from a validated stability source; reject any preparation lacking all four.
Designing or reviewing a parenteral nutrition regimen without checking osmolarity limits, calcium–phosphate compatibility, and the appropriate route (peripheral vs central).
Candidates calculate calories and protein correctly but overlook physicochemical constraints that determine whether the bag is even administrable.
What to do instead
For every PN question, calculate final osmolarity and compare with the peripheral (< ~900 mOsm/L) or central threshold, and check Ca × PO4 precipitation risk against the amino acid concentration and pH.
Handling hazardous/citostatic drugs without applying the full safe-handling chain (closed system transfer device, PPE sequence, spill kit, waste segregation, surface decontamination).
Candidates know 'use PPE' but cannot sequence the steps or identify which control applies at which point, so they pick partially correct options.
What to do instead
Memorize the chain in order: receipt/storage → preparation in biological safety cabinet with CSTD → administration → waste/spill management; for each question, locate the step being tested and pick the control specific to it.
Classifying an adverse event as a pharmacovigilance report, a medication error, or an adverse drug reaction without applying the correct definitional criteria (causality, preventability, seriousness).
The categories overlap in practice, and candidates answer by intuition rather than by testing the event against each definition.
What to do instead
For each case, ask three sequenced questions: Was it preventable (error)? Is there a temporal/causal link to the drug (ADR)? Is it serious/unexpected (reportable)? Then select the classification and reporting pathway that follow.
Confusing hospital formulary selection and procurement rules ( therapeutic interchange, generic substitution, tender/contract rules, stock rotation, expiry control) with clinical prescribing decisions.
Candidates study clinical content heavily and treat management topics as low-yield, so they conflate the pharmacist's selection/adquisition role with the prescriber's role.
What to do instead
Map each management concept to its owner and instrument: selection → Pharmacy & Therapeutics Committee/formulary; acquisition → tender and contract; storage → FEFO and temperature monitoring; inventory → minimum/maximum and ABC analysis.
Answering legal/regulatory items from general principles without citing the specific norm governing hospital pharmacy practice (prescription requirements, controlled substances, compounding standards, record retention).
Candidates rely on remembered generalities and cannot distinguish which rule applies to which setting or document.
What to do instead
For each legal question, identify the document type (prescription, compounding record, controlled-substance log) and the specific requirement attached to it, and flag any item where the applicable norm is uncertain rather than guessing.
Adjusting doses for renal or hepatic impairment using the wrong estimate (Cockcroft–Gault vs CKD-EPI, actual vs ideal body weight) or forgetting to reassess after clinical change.
Candidates apply one formula reflexively and do not check which body-weight basis or equation the specific drug's dosing recommendation requires.
What to do instead
State the equation and weight basis explicitly before calculating, match it to the drug's labeling, and include a reassessment interval (e.g., recheck renal function and dose at 48–72 h or on clinical change).