Platelet disorders Quiz: Ace Your Exams
Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!
Learning videos
Flashcards
Expert reviewed
Spaced Repetition
Mobile app
Custom Quizzes
1 of 8
An 11-year-old girl is brought to the clinic by her parent due to excessive bleeding with menstruation, lightheadedness, and headaches. The patient states the symptoms started 6 months ago with her first menstrual period. Temperature is 37.1°C (98.8°F), pulse is 81/min, respirations are 12/min, and blood pressure is 112/66 mmHg. Physical exam reveals conjunctival pallor. Laboratory testing is obtained, and the results are shown below.
*Reference Range: 2-7 minutes
A sample of the patient’s blood is collected. Administration of risotectin to the sample fails to induce platelet aggregation. Which of the following is the most likely cause of this patient’s condition?
| Laboratory value | Results |
| Hematologic | |
| Platelet count | 180,000/mm3 |
| Hemoglobin | 9.7 g/dL |
| Coagulation studies | |
| Prothrombin time (PT) | 12 seconds |
| Activated partial thromboplastin time (aPTT) | 30 seconds |
| Bleeding time* | 12 minutes |
A sample of the patient’s blood is collected. Administration of risotectin to the sample fails to induce platelet aggregation. Which of the following is the most likely cause of this patient’s condition?
Elimination tool
0 XP
Press space to continue