Sprains, strains and bruises

Tests: 6 of 11 right · Exam: 1 of 4 right · Kind: plain · Understood: 9 of 15 · Run: 2026-10-18, commit f3c23ea72

Lesson 3 of the medicine course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: the lesson in the corpora.

Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: the lesson's questions in the corpora.

Test 1 · right ✓

coach yelled "run it off!" when I twisted me ankle. right call?

1. Yes, if you run fast enough it's fine — no support
2. Yes, running it off fixes sprains every time — no support
3. No, you gotta jump on it instead — no support
4. No, playing on a sprain can make it worse — ← Mova's choice · ✓ the right answer · score 4

Why: It took the question to ask which statement is true. It chose option 4 with score 4, the only option with support. Its support: lesson 3, line 5: «Running it off is a myth; carrying on playing on a sprain can make it worse.», reached through the same lesson line as the sentence the question matched. What matched: the same action «play» (+2); the same place «sprain» (+2). · the question and its options parsed, with trees and pragmatics

Test 2 · wrong ✗

Ruby put ice cubes straight on her bare knee for an hour. What's the problem?

1. Ice has no effect on a knee at all — ← Mova's choice · no support
2. Ice on bare skin for long can cause a cold burn — ✓ the right answer · no support
3. Ice turns the knee green after an hour or so — no support
4. Ice on a knee makes the bruise come out much bigger — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 3 · wrong ✗

My mate says pressing your bruise makes it go away faster. Right?

1. No, you have to rub it with salt to make it go — ← Mova's choice · score 6
2. Yes, pressing pushes the old blood away quicker — no support
3. No, pressing on a bruise does not speed healing — ✓ the right answer · no support
4. Yes, three hard presses a day does it — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 6, the only option with support. Its support: lesson 3, line 11: «Bruises on shins and knees are normal in active children; lots of bruises in odd places, or bruises someone caused, should be told to a trusted adult; pressing…», reached through the remembered sentence the question matched. What matched: the same action «cause» (+4); the same thing acted on «bruises» (+4). Against it: a different doer (counts against) (-2). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 4 · right ✓

Banged my elbow and my little finger went all tingly, lol it's not funny! Why the tingle?

1. Your finger fell asleep from boredom — no support
2. You cracked the elbow bone and it's leaking — no support
3. You knocked a nerve that runs to the little finger — ← Mova's choice · ✓ the right answer · score 4
4. Your blood stopped flowing to that hand for a bit — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 4, the only option with support. Its support: lesson 3, line 12: «The funny bone is not a bone but a nerve running over the elbow close to the skin, on its way to the little finger.», reached through the option's own match among the sentences about the question's things. What matched: the same action «run» (+2); the same doer «nerve» (+2). · the question and its options parsed, with trees and pragmatics

Test 5 · right ✓

In a cartoon, a boxer slaps a steak on his black eye. What should he really use?

1. A slice of cheese from the fridge — no support
2. A cold pack wrapped in cloth — ← Mova's choice · ✓ the right answer · score 3
3. A hot towel to warm the eye up — no support
4. Nothing, black eyes need surgery — no support

Why: It took the question to ask what it is done to. It chose option 2 with score 3, the only option with support. Its support: lesson 3, line 9: «Ice or frozen peas should be wrapped in a cloth and used for about 15 to 20 minutes at a time, because ice on bare skin can burn.», reached through a sentence linked to the one the question matched. What matched: the same action «wrap» (+2); the same place «cloth» (+2). Against it: a different thing acted on (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 6 · wrong ✗

Grandma says Ben's night leg aches are his bones growing too fast. What's closer to the truth?

1. Yes, she's right, bones grow mostly at night and that stretching is what hurts — ← Mova's choice · score 8
2. Ben's legs must be broken if they ache — no support
3. Growing pains are common and harmless, but the cause isn't bones growing — ✓ the right answer · score 8
4. It means he needs a cast on both legs for a while — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 8, tied with another option at 8 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 1, line 4: «Bones heal in whatever position they are held in, so doctors line the pieces up and hold them still for weeks while new bone grows.», reached through the remembered sentence the question matched. What matched: the same action «grow» (+4); the same doer «new bone» (+4). The right option, 3, scored 8. · the question and its options parsed, with trees and pragmatics

Test 7 · right ✓

If a child had leg pain with swelling, a limp and a fever, what should happen?

1. Give them ice cream and an early night — no support
2. A doctor should check, as it is not just growing pains — ← Mova's choice · ✓ the right answer · score 3
3. Rub it every night and wait a year to see — no support
4. Nothing, it is ordinary growing pains and will pass — no support

Why: It took the question to ask what happens next. It chose option 2 with score 3, the only option with support. Its support: lesson 3, line 14: «Growing pains are aches in both legs in the evening or night in children aged about 3 to 12; nobody is sure of the cause, but it is not bones growing too fast;…», reached through the option's own match among the sentences about the question's things. What matched: the same action «grow» (+2); the same thing acted on «pains» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 8 · right ✓

Netball hit my fingertip, now it won't straighten. Just yank it?

1. Yes, one hard yank always fixes it — no support
2. Yes, but only twice, then leave it — no support
3. No, tape it flat to your nose till it straightens — no support
4. No, it needs an X-ray; pulling can make a break worse — ← Mova's choice · ✓ the right answer · score 3

Why: It took the question to ask which statement is true. It chose option 4 with score 3, the only option with support. Its support: lesson 3, line 15: «A jammed finger should not be pulled hard; one that looks bent or will not straighten needs an X-ray.», reached through the same lesson line as the sentence the question matched. What matched: the same action «need» (+2); the same thing acted on «x ray» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 9 · wrong ✗

Which is the right difference?

1. A sprain hurts muscle; a strain hurts the bone itself — ← Mova's choice · no support
2. They are both just names for broken bones — no support
3. A sprain hurts ligaments; a strain hurts muscle — ✓ the right answer · no support
4. A strain is only a big bruise — no support

Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 10 · wrong ✗

What would happen if you ran hard straight after a strain?

1. It would heal faster from the extra blood — ← Mova's choice · score 4
2. You could tear the muscle more — ✓ the right answer · no support
3. Nothing, a muscle cannot be hurt twice in a row — no support
4. It would turn into a bruise instead — score 2

Why: It took the question to ask what happens next. It chose option 1 with score 4, against 2 for the next best. Its support: lesson 3, line 7: «A strain means some fibres in a muscle have been overstretched or torn; most strains heal in one to three weeks; rest it first, then move it gently, but do not…», reached through the same lesson line as the sentence the question matched. What matched: the same action «heal» (+2); the same doer «most strains» (+2). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 11 · right ✓

Why is a bruise first purple?

1. It is fresh blood under the skin — ← Mova's choice · ✓ the right answer · no support
2. It is dye soaked in from your clothes — no support
3. It is a patch of dead skin on the top — no support
4. It is the bone showing through the skin — no support

Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Which of the following statements most accurately characterises a sprain?

1. An injury confined to the fibres of a muscle — ← Mova's choice · no support
2. A collection of blood beneath the skin following a blow — no support
3. An injury in which the ligaments of a joint are stretched or partially torn — ✓ the right answer · no support
4. A fracture of the bone adjacent to a joint, with no injury to soft tissue — no support

Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · wrong ✗

Identify the recommended manner of applying cold to a recent injury.

1. Deferred until at least one week after the injury — ← Mova's choice · no support
2. Applied directly to the skin without interruption overnight — no support
3. Wrapped in cloth for some fifteen to twenty minutes at a time — ✓ the right answer · no support
4. Applied with vigorous rubbing of the joint until the skin is numb — no support

Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · right ✓

State the principal cause of the discoloration of a bruise.

1. Blood escaped from minute vessels beneath the skin — ← Mova's choice · ✓ the right answer · no support
2. Infection of the superficial layers of the skin — no support
3. Displacement of the underlying bone — no support
4. Pigment transferred to the skin from clothing — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Select the response consistent with the established facts concerning the so-called funny bone.

1. It is a muscle of the arm associated with laughter — no support
2. It is a small supplementary bone of the elbow joint — ← Mova's choice · score 4
3. It is a nerve passing superficially over the elbow — ✓ the right answer · score 4
4. It is the extremity of the forearm bone — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 4, tied with another option at 4 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 3, line 12: «The funny bone is not a bone but a nerve running over the elbow close to the skin, on its way to the little finger.», reached through the remembered sentence the question matched. What matched: the same doer «funny bone» (+4); the same thing acted on «bone» (+4); the same light verb (be, have, do, get, go) (+2). Against it: one says «not», the other does not (counts against) (-6). The right option, 3, scored 4. · the question and its options parsed, with trees and pragmatics

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/medicine/3-sprains-strains-and-bruises/