ypsy

Resources & Image Credits

Qypsy uses a combination of open-licensed educational images, public-domain government resources, and original diagrams created specifically for this site. This page lists the major visual resources used across our practice exams and explains how they are licensed. All trademarks, logos, and exam names remain the property of their respective owners. Qypsy is not affiliated with, endorsed by, or sponsored by any official testing organization, school, or agency.

Main Image Sources

  • Wikimedia Commons / Wikipedia – Diagrams and photographs used under Creative Commons licenses (CC BY, CC BY-SA, and related), with attribution and license details listed below.
  • OpenStax – High-quality educational figures from OpenStax textbooks used under CC BY 4.0 and related licenses.
  • U.S. government manuals & handbooks – Public-domain material from federal and state agencies (e.g., FAA handbooks, CDL manuals, driver’s manuals) used for aviation, CDL A/B, and U.S. permit illustrations.
  • Original Qypsy diagrams – Custom illustrations and diagrams created specifically for Qypsy. These assets are original to Qypsy and are not copied from external sites.

Medical & Anatomy Diagrams

Many medical and anatomy diagrams are adapted from open-licensed resources on Wikimedia Commons and OpenStax. Where we have edited the images (for example, by adding labels or cropping), those changes are noted.

ECG, Cardiology & Monitoring

  • “ECG waveform diagram” — by Mysid. File: SinusRhythmLabels.svg. License: CC BY-SA 4.0. Changes: labels added for Qypsy.com.
  • “Heart block” — by Agateller (Anthony Atkielski). File: Heart_block.png. License: CC BY-SA 4.0. Changes: additional labeling for Qypsy.com.
  • “Ventricular Tachycardia”, “Ventricular Fibrillation”, “Supraventricular Tachycardia”, “Sinus Bradycardia (6 seconds)”, and “Asystole” — by Agateller (Anthony Atkielski). License: CC BY-SA 4.0. Sources:
    • VT: Ventricular_Tachycardia.svg
    • VF: Ventricular_Fibrillation.svg
    • SVT: Supraventricular_Tachycardia.svg
    • Sinus Bradycardia: Sinus_Bradycardia_(6_seconds).svg
    • Asystole: Asystole.svg    Changes: minor label / styling adjustments for Qypsy.com.
  • “Atrial Fibrillation in two leads” — by PeaBrainC (Charlie Pearman). File: Atrial_Fibrillation_in_two_leads.jpg. License: CC BY-SA 4.0. Changes: none (used as-is).
  • “Pneumothorax CXR” — Clinical Cases. File: Pneumothorax_CXR.jpg. License: CC BY-SA 2.5. Changes: none (used as-is).

Injection Sites, IV Access & Emergency Care

  • “Needle Insertion Angles” — OpenStax (derivative work). File: Needle-insertion-angles-1_(edited).png. License: CC BY 4.0. Changes: labels and text adjustments for Qypsy.com.
  • “Deltoid IM Injection Landmark” — OpenStax. File: Im-deltoid.png. License: CC BY 4.0. Changes: labels added for Qypsy.com.
  • “IM Vastus Lateralis Injection Site” — OpenStax. File: Im-vastus-lateralis.png. License: CC BY 4.0. Changes: labels added for Qypsy.com.
  • “Ventrogluteal IM Injection Site” — OpenStax College. File: Im-ventrogluteal-300x244.png. License: CC BY 3.0. Changes: cropped and relabeled for Qypsy.com.
  • “Non-Tunneled Central Venous Access Device” — Blausen Medical Communications. File: Blausen_0181_Catheter_CentralVenousAccessDevice_NonTunneled.png. License: CC BY 3.0. Changes: labels added for Qypsy.com.
  • “Injection Syringe” — BruceBlaus (Blausen Medical Communications). File: Injection_Syringe.png. License: CC BY 3.0. Changes: labels added for Qypsy.com.
  • “Head-tilt chin-lift maneuver” — via Wikimedia Commons. License: CC BY-SA 4.0. File: Head-tilt-chin-lift-maneuver.jpg. Changes: cropped for Qypsy.com.
  • “Jaw-thrust maneuver” — Blausen Medical Communications, Inc. File via Wikimedia search for “jaw thrust”. License: CC BY 3.0. Changes: cropped for Qypsy.com.
  • “Butterfly Needle” — via Wikimedia Commons. File: Butterfly_needle.jpg. License: CC BY-SA 4.0. Changes: none (used as-is).
  • “Bag Valve Mask with BV Filter” — via Wikimedia Commons. File: Bag_valve_mask_with_BV_filter.png. License: CC BY-SA 4.0. Changes: none (used as-is).

CT Imaging of the Abdomen & Pelvis

CT slices used in some healthcare exams are adapted from open images on Wikimedia Commons by CRIS 2015, edited for clarity and labeling.

Biology, Chemistry & Physics Diagrams

Many core science diagrams (cells, meiosis/mitosis stages, periodic table, biochemical arrows, Lewis dot structures, osmosis diagrams, and basic physics/optics graphs) are sourced from Wikimedia Commons and OpenStax. Representative examples include:

Electrical, Wiring & Circuit Symbols

Many electrical symbols, wiring photos, and schematic icons used in electrician and trades exams come from Wikimedia Commons and IEEE symbol sheets on Wikipedia. Representative files include:

Road Signs, Aviation & CDL Diagrams

Many transportation-related images (road signs, aviation diagrams, CDL truck/bus illustrations) are based on official government manuals and public-domain resources, including:

  • U.S. road signs and traffic control devices —
    Road signs in the United States (Wikipedia) and original diagrams derived from the Manual on Uniform Traffic Control Devices (MUTCD) and state driver’s manuals.
  • Aviation systems, instruments, and traffic patterns — derived from FAA handbooks and related U.S. government aviation documents (public domain).
  • CDL A & CDL B diagrams — derived from U.S. federal and state CDL manuals (public domain), with additional highlighting and labels added for Qypsy.com.
  • U.S. permit / driver’s license exam images — primarily adapted from Wikipedia and Wikimedia Commons road sign images; two permit-style sign illustrations were custom-generated for Qypsy using design/AI tools and are original Qypsy artwork.

Original Qypsy Artwork & Diagrams

Some diagrams and icons used on Qypsy (including simplified schematics, concept diagrams, and a small number of permit-style illustrations) are original artwork created specifically for this site. Where an image is not explicitly credited on this page, it is either:

  • Original artwork created specifically for Qypsy, or
  • Derived from a public-domain U.S. government source (e.g., FAA, FMCSA, state driver’s or CDL manuals).

Questions About Credits or Licensing?

We take attribution and licensing seriously. If you believe an image has been mis-credited, or if you have questions about how a specific resource is used on Qypsy, please contact us through the contact page. We're happy to clarify, correct, or provide additional attribution details.

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