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Exam Review

Key Facts: EGEL Plus Química Clínica Exam

200

Total items on the official EGEL Plus QUICLI (140 disciplinary + 60 transversal)

Ceneval, Guía para el sustentante EGEL Plus QUICLI

9 hours

Two sessions of 4.5 hours each on the same day

Ceneval, Guía para el sustentante EGEL Plus QUICLI

10

Disciplinary subareas across diagnosis, analysis and laboratory management

Ceneval, Guía para el sustentante EGEL Plus QUICLI

15%

Share of unscored pilot items

Ceneval, Guía para el sustentante EGEL Plus QUICLI

MXN 1,885

Individual national Examen desde casa fee in 2026

Ceneval EGEL portal

Ceneval's EGEL Plus QUICLI is a 200-item, nine-hour Spanish exit exam: 140 disciplinary items in three areas plus 60 transversal language and communication items.

Sample EGEL Plus Química Clínica Practice Questions

Try these sample questions to review concepts for the EGEL Plus Química Clínica exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A patient in Veracruz has had fever, headache and retro-orbital pain for 2 days. Which laboratory test best confirms dengue at this stage?
A.Dengue IgG antibodies against past infection
B.NS1 antigen or RT-PCR
C.IgM antibodies only
D.Weil-Felix test
Explanation: In the first days of fever (about days 1 to 5), viremia is high, so NS1 antigen and RT-PCR detect the infection. IgM usually becomes detectable after about day 5.
2A health worker has HBsAg negative, anti-HBs positive and anti-HBc negative. How is this profile interpreted?
A.Acute hepatitis B
B.Chronic hepatitis B
C.Immunity from vaccination
D.Immunity after natural infection
Explanation: Anti-HBs alone, without anti-HBc, indicates immunity from vaccination, because the vaccine contains only surface antigen. Natural infection also produces anti-HBc.
3A jaundiced patient has HBsAg positive and IgM anti-HBc positive. What is the most likely diagnosis?
A.Acute hepatitis B
B.Vaccination response
C.Resolved infection
D.Hepatitis A
Explanation: HBsAg indicates current infection, and IgM antibodies to the core antigen indicate a recent infection, together pointing to acute hepatitis B.
4Why do fourth-generation HIV screening assays shorten the window period compared with antibody-only tests?
A.They measure CD4 count
B.They measure viral RNA
C.They also detect p24 antigen
D.They use saliva
Explanation: Fourth-generation immunoassays detect HIV-1/2 antibodies and HIV-1 p24 antigen, which appears before antibodies, so acute infections are detected earlier. Reactive results are confirmed with supplementary tests.
5Which syphilis test is used to monitor response to treatment by following titers?
A.FTA-ABS
B.TPPA
C.Treponemal chemiluminescence
D.RPR or VDRL
Explanation: Nontreponemal tests (RPR, VDRL) give titers that fall after successful treatment; a fourfold decline indicates response. Treponemal tests usually stay positive for life.
6What advantage does a molecular test such as Xpert MTB/RIF offer in pulmonary tuberculosis?
A.It replaces all cultures permanently
B.Fast TB and rifampicin-resistance detection
C.It measures sputum volume
D.It detects only the nontuberculous mycobacteria
Explanation: The cartridge-based PCR detects M. tuberculosis complex DNA and rpoB mutations associated with rifampicin resistance in about 2 hours, speeding treatment decisions. Culture is still used for full susceptibility testing.
7Why are both thick and thin blood smears used to diagnose malaria?
A.Thick: sensitivity; thin: species
B.Both are used only to count white cells
C.The thin smear is more sensitive
D.They measure hemoglobin
Explanation: The thick smear concentrates many layers of lysed red cells to detect low parasitemia. The thin smear keeps red cells intact to identify the species and calculate parasite density.
8Which cerebrospinal fluid profile is typical of acute bacterial meningitis?
A.Lymphocytes, normal glucose, slightly raised protein
B.Clear fluid with normal cell count
C.Neutrophils, low glucose, high protein
D.Eosinophils with normal glucose
Explanation: Bacterial meningitis usually shows a turbid fluid with many neutrophils, glucose below about 40% of serum glucose and high protein. Viral meningitis shows lymphocytes with normal glucose.
9In a patient with fever and flank pain, which urinalysis finding shows kidney involvement rather than cystitis alone?
A.Positive nitrite
B.White blood cell casts
C.Positive leukocyte esterase
D.Few squamous epithelial cells
Explanation: Casts form in the renal tubules, so white cell casts locate the inflammation in the kidney, as in pyelonephritis. Nitrite and leukocyte esterase are positive in lower tract infections too.
10A child has intense nighttime anal itching, and stool examinations are negative. Which test is indicated?
A.Blood culture
B.Serology for toxoplasmosis and toxocariasis
C.Morning tape test (Graham)
D.Urine culture
Explanation: Enterobius vermicularis females lay eggs on the perianal skin at night, so eggs are rarely found in stool. Tape applied to the perianal area on waking, before bathing, detects them.

About the EGEL Plus Química Clínica Exam

Independent EGEL Plus Química Clínica practice by OpenExamPrep. The official Ceneval examination is in Spanish and has 200 items, mostly three-option multiple choice: 140 disciplinary items in Diagnóstico por el laboratorio, Análisis clínico and Gestión del laboratorio, and 60 transversal Lenguaje y Comunicación items. This bank is an English-language study adaptation with four-option multiple-choice questions, not an official translation or format simulation. It covers the three disciplinary areas only; it does not include Lenguaje y Comunicación items. Mexican terms such as NOM, RPBI and CRETIB are kept in Spanish.

Exam sponsor: Centro Nacional de Evaluación para la Educación Superior (Ceneval). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

200 items, mostly three-option multiple choice: 140 disciplinary items (Diagnóstico por el laboratorio 50, Análisis clínico 50, Gestión del laboratorio 40) and 60 transversal items in Comprensión Lectora and Redacción Indirecta. About 15% of the items are unscored pilot items.

Time Limit

Two sessions of 4.5 hours each on the same day (9 hours in total)

Passing Score

Each area and each section is reported on the Índice Ceneval (700-1300): 700-999 Aún no satisfactorio, 1000-1149 Satisfactorio, 1150-1300 Sobresaliente. The global result is weighted toward the disciplinary section: Satisfactorio or better there earns at least a Testimonio de Desempeño Satisfactorio, and a Testimonio de Desempeño Sobresaliente requires Sobresaliente in the disciplinary section and at least Satisfactorio in Lenguaje y Comunicación

Exam / Certification Fees

MXN 1,885 for the 2026 national Examen desde casa; institutional administrations may charge a different amount

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

50 of 140 disciplinary items

Diagnóstico por el laboratorio

Communicable diseases (25) and noncommunicable diseases (25)

50 of 140 disciplinary items

Análisis clínico

Clinical biochemistry, hematology, microbiology, immunology and endocrinology, and molecular biology (10 each)

40 of 140 disciplinary items

Gestión del laboratorio

Quality assurance (16), regulations (11) and biosafety (13)

60 of 200 total items

Lenguaje y Comunicación

Reading comprehension (30 items) and indirect writing (30 items), common to all EGEL Plus exams; not covered by this practice bank

Preparing for the EGEL Plus Química Clínica Exam

What You Need to Know

  • Passing score: Each area and each section is reported on the Índice Ceneval (700-1300): 700-999 Aún no satisfactorio, 1000-1149 Satisfactorio, 1150-1300 Sobresaliente. The global result is weighted toward the disciplinary section: Satisfactorio or better there earns at least a Testimonio de Desempeño Satisfactorio, and a Testimonio de Desempeño Sobresaliente requires Sobresaliente in the disciplinary section and at least Satisfactorio in Lenguaje y Comunicación
  • Assessment: 200 items, mostly three-option multiple choice: 140 disciplinary items (Diagnóstico por el laboratorio 50, Análisis clínico 50, Gestión del laboratorio 40) and 60 transversal items in Comprensión Lectora and Redacción Indirecta. About 15% of the items are unscored pilot items.
  • Time limit: Two sessions of 4.5 hours each on the same day (9 hours in total)
  • Exam / certification fees: MXN 1,885 for the 2026 national Examen desde casa; institutional administrations may charge a different amount Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

EGEL Plus Química Clínica: Suggested Study Strategy

1Practice interpreting infectious-disease testing: dengue NS1 versus IgM, hepatitis B serology, HIV fourth-generation assays, syphilis tests, tuberculosis molecular tests and parasite diagnosis.
2Review chronic-disease patterns: glucose and HbA1c cut-offs, CKD-EPI 2021 and albuminuria, troponin, thyroid, anemia, coagulation and liver panels.
3Drill analytical principles and interferences: Beer-Lambert calculations, ion-selective electrodes, prozone and hook effects, biotin interference, PCR, Ct values and nucleic acid quality.
4Master quality management: Westgard rules, sigma metrics, SDI, delta checks and document control, plus the STPS and SEMARNAT norms and the WHO risk-based biosafety approach.
5Practice Spanish reading comprehension and indirect writing for the transversal section, which this bank does not cover.

Frequently Asked Questions

What is the EGEL Plus Química Clínica?

The EGEL Plus QUICLI is Ceneval's national exit examination for graduates of the Licenciatura en Química Clínica and related programs. It measures the knowledge and skills considered essential at the end of training, and many universities use its result as an exit requirement, a titulación option or part of a course grade.

How is the EGEL Plus QUICLI structured and timed?

It has 200 items, mostly three-option multiple choice, including multirreactivos built on a shared case. The disciplinary section has 140 items: Diagnóstico por el laboratorio (50), Análisis clínico (50) and Gestión del laboratorio (40). The transversal section has 60 Spanish reading and indirect-writing items. It is given in two 4.5-hour sessions on the same day, and about 15% of the items are unscored pilot items.

How is the EGEL Plus QUICLI scored?

Each area and section is reported on the Índice Ceneval from 700 to 1300: 700-999 Aún no satisfactorio, 1000-1149 Satisfactorio and 1150-1300 Sobresaliente. Satisfactorio or better in the disciplinary section earns at least a Testimonio de Desempeño Satisfactorio, while a Testimonio de Desempeño Sobresaliente requires Sobresaliente in the disciplinary section and at least Satisfactorio in Lenguaje y Comunicación.

Which Mexican standards does the guide list?

The normative references include NOM-007-SSA3-2011 on clinical laboratories, NOM-087-SEMARNAT-SSA1-2002 on RPBI, NOM-052-SEMARNAT-2005 on hazardous waste, NOM-253-SSA1-2012 on blood for transfusion, and workplace safety norms such as NOM-002-STPS-2010 (fire), NOM-017-STPS-2008 (protective equipment), NOM-018-STPS-2015 (hazardous chemicals) and NOM-026-STPS-2008 (safety colors and signs).

Why is this practice bank in English if the official exam is in Spanish?

The official Ceneval exam is in Spanish. This bank is an independent English-language study adaptation with four-option questions, not an official translation or format simulation, so you can review the laboratory content. Mexican terms such as NOM, RPBI and CRETIB are kept in Spanish so they match your references. The bank covers the disciplinary areas only.