Medical Laboratory Science -Ethiopia
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📝 Q 2 / 20 • 🛡️ Immunology
⏱️ 90s
A 35-year-old male presents to a rural clinic in Ethiopia with a three-month history of unexplained weight loss, night sweats, persistent cough, and intermittent fever. Sputum acid-fast bacilli (AFB) smear is positive. An HIV rapid diagnostic test is performed and is reactive. A CD4 Absolute count is requested. Given these findings, which immunological phenomenon is most likely contributing to the patient's susceptibility to Mycobacterium tuberculosis and other opportunistic infections?
🅰️ Antibody-dependent cellular cytotoxicity (ADCC) impairment
🅱️ Downregulation of MHC Class I expression
🅲 Progressive depletion and dysfunction of CD4+ T helper cells
🅳 Overproduction of IgE antibodies leading to hypersensitivity
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📝 Q 3 / 20 • 💉 Blood Banking
⏱️ 90s
What is the principle behind the indirect antiglobulin test (IAT)?
🅰️ Detecting antibodies coating patient red blood cells in vivo.
🅱️ Detecting free antibodies in patient serum/plasma.
🅲 Identifying ABO antigens on red blood cells.
🅳 Quantifying the amount of complement bound to red blood cells.
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Medical Laboratory Science – Ethiopia
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📚 NGAT — Quantitative Reasoning
Question 1 / 100 ⏱ STRICT 60s
A boat travels 6 km upstream and 6 km downstream in a total of 1 hour. If the speed of the stream is 2 km/h, what is the speed of the boat in still water?
🅰 10.5 km/h
🅱 12.3 km/h
🅲 14.0 km/h
🅳 16.2 km/h
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📚 NGAT — Analytical Reasoning
Question 3 / 100 ⏱ STRICT 60s
A committee of 3 must be chosen from Red, Blue, Green, Yellow, and Purple.
1. If Yellow is chosen, Purple must also be chosen.
2. If Red is chosen, Blue must also be chosen.
3. If Blue is chosen, Green cannot be chosen.
If Green is chosen, which of the following must be true?
🅰 Blue must be chosen.
🅱 Yellow must be chosen.
🅲 Red cannot be chosen.
🅳 Blue and Green are both chosen.
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Greetings,
Exam credentials (username and password) and other examination details have been prepared and are now available in your profile under the Exam Credentials section.
Please log in to your account, download and print your Examination Entry Ticket as it will be required for entry at your exam center gate.
You will also find your session time listed on the ticket.
The examination date is Wednesday, Aug 16 and 27, 2026 please make sure to arrive on time.
Thank you.
Which of the following would be an expected finding in a laboratory workup for Idiopathic Thrombocytopenic Purpura (ITP)?
A patient presents with bloody diarrhea and abdominal cramps. Stool culture reveals Gram-negative, comma-shaped rods that are oxidase-positive. Which organism is the most likely cause?
Which blood component is most appropriate for a patient with severe thrombocytopenia and active bleeding?
