Thorax Lab Practical Practice Test: Name 9 Structures

The thorax practice test on anotemy shows one structure lit orange on a 3D body and asks you to pick its name from four choices. It runs 9 structures for the thorax, scores you at the end, and links each answer to notes; it is free and needs no sign-up.

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A structure highlighted in orange on a 3D model of the body

Name the structure highlighted in orange.

Structures in this test

Aorta · Diaphragm · Heart · Lungs · Pulmonary trunk · Rib · Sternum · Superior vena cava · Trachea

How this practice test works

The thorax practice test on anotemy is a free, no-sign-up drill for naming structures the way they appear at a station. A single structure is lit orange on a 3D body, and you choose its name from four options. The lit structure is meant to resemble a pinned structure at a station; the answer step is four-choice naming, not a full practical.

A round runs up to 10 structures, and the thorax round has 9. You see your score at the end, and each answer links to notes on that structure, so a missed name sends you to the notes you need to review. anotemy is free while it is in beta, and you can start the practice test without an account.

Use it as a quick check before a lab practical, then open the notes linked from any answer you miss. The test asks you to name one lit structure at a time, so it trains the first move at a station: look at the marked structure, decide what it is, and commit to a name.

How anatomy lab practicals work

An anatomy lab practical is a timed run through stations. At each station, a structure is pinned or tagged, and you write its name; some stations also ask a short function question. The format rewards quick, exact recognition rather than a long written explanation.

Spelling matters because the structure has to be identifiable on your answer sheet. If you know the structure but misspell it badly, you can lose the mark. Practice writing each name before the lab practical, and check the tag before you move on.

  • Each station shows a pinned or tagged structure, and your job is to name what is marked.
  • A fixed time is set for each station; when the call comes, you move on whether or not you have finished.
  • Besides the name, a station may ask a short function question about the tagged structure.
  • Spelling counts on written answers, so practice writing the terms, not just saying them.
  • Keep your answers tied to the right station as you move through the lab practical.

What to know in this test

The thorax round covers nine structures. For each one, know the shape, position, and neighbors you would use at a station; the bullets below are recognition cues, not full notes.

  • Aorta and pulmonary trunk: both are large central vessels. The aorta is the thick-walled artery with an arch in the upper chest and a descending part behind the heart; the pulmonary trunk leaves the front of the heart and heads toward the lungs.
  • Diaphragm: the dome-shaped muscle sheet at the base of the thorax, separating the chest from the abdomen. Its curved upper surface makes it the floor of the thorax.
  • Heart: the muscular pump in the middle of the chest, sitting behind the sternum and between the lungs. Look for chamber walls and the apex pointing to one side; it is not a vessel.
  • Lungs: the large, paired, spongy organs filling the sides of the thorax around the heart. Recognize them by their broad lateral position and by the way they frame the central structures.
  • Rib: a curved bone wrapping around the side of the thorax. At the back it meets the spine; at the front, ribs 1–7 reach the sternum through costal cartilage, ribs 8–10 join the cartilage above, and ribs 11–12 are floating. Look for the curve and the joint surfaces, not a straight flat plate.
  • Sternum: the flat bone at the front midline of the chest, between the ribs. Recognize it by its central position and its direct attachment to the costal cartilages of ribs 1 to 7.
  • Superior vena cava: the large vertical vein on the right side of the upper mediastinum, bringing blood from the upper body to the heart. Look for a wide vessel entering the top of the right atrium area.
  • Trachea: the air tube in the midline of the neck and upper chest, with a ridged, cartilaginous wall. It sits above the heart and between the upper lung regions; recognize it by its central position and ringed texture.

How to study for the practical

Study by retrieving names from images, not by rereading labeled diagrams. Open the thorax practice test on anotemy and name each structure lit orange on the 3D body before you look at the four choices. Say the name out loud, then check the score at the end and follow the link to notes on anything you missed.

Mix the views you will see at stations: the lit structure on a whole 3D body is the closest match here, but also review your own lab photos and atlas images from different angles. Time yourself so you get used to making a decision at a station; the thorax round has nine structures, and rounds go up to 10. Keep a note on each structure you miss, and rewrite the name from memory the next day.

  • Use active recall on images: cover the labels, name the structure, then check yourself.
  • Name each structure out loud as if you were standing at the station.
  • Mix views: whole-body 3D, your lab photos, and atlas images from different angles.
  • Time yourself; the thorax practice test round on anotemy has nine structures.
  • Review every miss and go back to notes on that structure.
  • Keep a short note per structure; in anotemy, recognized names like heart, aorta or superior vena cava light up, and tapping the word opens the structure in 3D.