--- title: The cast: itching, signing and the saw — how Mova does on the tests · Medicine description: Lesson 2 of the medicine course of Mova's primary school: 7 of 11 tests right, exam 3 of 4, every question with the options, the student's choice, the right answer and why it chose. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/school-run/medicine/2-the-cast-itching-signing-and-the-saw/) [home](https://md.mova.elamur.ai/free/en/) / [at school](https://md.mova.elamur.ai/free/en/school-run/) / [Medicine](https://md.mova.elamur.ai/free/en/school-run/medicine/) / 2 # The cast: itching, signing and the saw **Tests:** 7 of 11 right · **Exam:** 3 of 4 right · **Kind:** ★ · **Understood:** 8 of 15 · **Run:** 2026-10-18, commit `f3c23ea72` Lesson 2 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](https://md.mova.elamur.ai/free/en/corpora/school/medicine/2-the-cast-itching-signing-and-the-saw/). Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: [the lesson's questions in the corpora](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/). ### Test 1 · ★ · right ✓ {#t1} itches like mad mate, gonna stick my ruler down there. good idea? - **1.** Yes, as long as it's a wooden ruler and you go really slowly — no support - **2.** Yes, rulers are smooth so it's safe — no support - **3.** No, it can scratch the skin and cause an infection — **← Mova's choice** · **✓ the right answer** · score 3 - **4.** No, use a knitting needle instead — no support **Why:** It took the question to ask which statement is true. It chose option 3 with score 3, the only option with support. Its support: lesson 2, line 3: «Never push a pencil or ruler inside: it can scratch the skin and start an infection nobody can see.», reached through the same lesson line as the sentence the question matched. What matched: the same action «scratch» (+2); the same thing acted on «skin» (+2). Against it: a different doer (counts against) (-1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t1/) ### Test 2 · ★ · right ✓ {#t2} Leo's cast got wet, so he plans to leave it on the radiator. What's wrong with that? - **1.** The damp padding stays wet inside and the cast is weakened — **← Mova's choice** · **✓ the right answer** · no support - **2.** The cast will melt — no support - **3.** Nothing, it will dry out fine — no support - **4.** Radiators make casts too hard — 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](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t2/) ### Test 3 · ★ · right ✓ {#t3} Mia's fingers are numb and the pain is getting worse in her new cast. She says she'll be brave. Should she? - **1.** No, worse pain in a cast needs a doctor at once — **← Mova's choice** · **✓ the right answer** · score 6 - **2.** Yes, being brave is always the answer — no support - **3.** Yes, numbness means it is healing — no support - **4.** No, she should cut the cast off herself with kitchen scissors — 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 2, line 12: «Fingers that go blue, white, cold or numb, or pain that gets much worse in a cast, need a doctor straight away.», reached through the same lesson line as the sentence the question matched. What matched: the same action «need» (+2); the same doer «fingers» (+2); the same thing acted on «doctor» (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t3/) ### Test 4 · ★ · wrong ✗ {#t4} In a film, a man's cast is sawn off and the saw spins like a circular saw. What's wrong? - **1.** Nothing, cast saws really do spin very fast like that — **← Mova's choice** · score 2 - **2.** Casts are taken off with scissors — no support - **3.** Cast saws wobble back and forth, not spin — **✓ the right answer** · no support - **4.** Cast saws are made of paper — no support **Why:** It took the question to ask which statement is true. It chose option 1 with score 2, the only option with support. Its support: lesson 2, line 4: «The scary saw that takes it off does not spin; its blade wobbles fast back and forth, which cuts hard plaster but only jiggles soft skin.», reached through the remembered sentence the question matched. What matched: the same action «spin» (+4); the same doer «scary saw» (+4). Against it: one says «not», the other does not (counts against) (-6). The right option, 3, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t4/) ### Test 5 · ★ · wrong ✗ {#t5} My arm came out of the cast all thin and gross. Is it ruined for ever? - **1.** Yes, unless you eat raw eggs — no support - **2.** Yes, it will stay thin for life — **← Mova's choice** · score 8 - **3.** No, but the hair on it stays dark and thick for ever — no support - **4.** No, the muscle and skin come back with normal use — **✓ the right answer** · score 6 **Why:** It took the question to ask which statement is true. It chose option 2 with score 8, against 6 for the next best. Its support: lesson 2, line 16: «A sling holds the arm up against the body so it can rest and the swelling goes down.», reached through the remembered sentence the question matched. What matched: the same action «rest» (+4); the same doer «arm» (+4). The right option, 4, scored 6. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t5/) ### Test 6 · ★ · right ✓ {#t6} Why does a physio give you just a few exercises and not loads? - **1.** Doing more than told can strain the healing arm — **← Mova's choice** · **✓ the right answer** · score 2 - **2.** Exercises cost money each — no support - **3.** More exercises would make the arm grow far too strong — no support - **4.** Physios are lazy — no support **Why:** It took the question to ask why something happens (its cause). It chose option 1 with score 2, the only option with support. Its support: lesson 2, line 15: «A physiotherapist gives exercises to bend and strengthen the arm a bit more each week; doing extra does not speed healing and can strain the healing arm.», reached through the same lesson line as the sentence the question matched. What matched: the same thing acted on «healing arm» (+2); the same action «strain» (+1). Against it: a different doer (counts against) (-1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t6/) ### Test 7 · ★ · right ✓ {#t7} I feel totally fine, so can I go back to rugby the day the cast comes off? - **1.** Yes, feeling fine means you are fully healed — no support - **2.** No, the bone stays weaker for a few weeks — **← Mova's choice** · **✓ the right answer** · score 3 - **3.** No, you can never ever play rugby again after a break — no support - **4.** Yes, as long as you wear two shirts to pad it — no support **Why:** It took the question to ask which statement is true. It chose option 2 with score 3, the only option with support. Its support: lesson 2, line 17: «A just-healed bone is weaker than normal, so contact sports and trampolines wait a few weeks after the cast comes off.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «healed bone» (+2); the same property (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t7/) ### Test 8 · ★ · wrong ✗ {#t8} Which part of the healing arm is in danger if the cast is too tight? - **1.** Blood vessels and nerves being squeezed — **✓ the right answer** · score 6 - **2.** The cast cracking open from the inside out — **← Mova's choice** · score 8 - **3.** The skin getting too warm to itch — no support - **4.** The bone growing too long — no support **Why:** It took the question to ask who or what does it. It chose option 2 with score 8, against 6 for the next best. Its support: lesson 2, line 11: «An arm keeps swelling for a day or two after a break, and a tight cast can squeeze blood vessels and nerves.», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+6); the same doer «tight cast» (+4). Against it: a different action (counts against) (-2). The right option, 1, scored 6. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t8/) ### Test 9 · ★ · wrong ✗ {#t9} Grace has a boot for her broken ankle, and Ollie says hers isn't a real break. Who is right? - **1.** Ollie; real breaks always need plaster — **← Mova's choice** · score 3 - **2.** Neither; boots are for walking in snow — no support - **3.** Grace; a boot is just the right tool for that kind of break — **✓ the right answer** · no support - **4.** Ollie; boots are only for sprains — no support **Why:** It took the question to ask which statement is true. It chose option 1 with score 3, the only option with support. Its support: lesson 1, line 12: «Breaks in many pieces or near a joint may need an operation with pins, plates or screws, done under anaesthetic (medicine that puts you to sleep so you feel no…», reached through the option's own match among the sentences about the question's things. What matched: the same action «need» (+2); the same doer «breaks» (+2). Against it: a different thing acted on (counts against) (-1). The right option, 3, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t9/) ### Test 10 · ★ · right ✓ {#t10} What would happen if a cast could be taken off every day like a boot for any break? - **1.** Unstable bones might slip out of place — **← Mova's choice** · **✓ the right answer** · no support - **2.** The arm would never itch, so it would be better — no support - **3.** Nothing at all would change for the bone — no support - **4.** The bone would heal much faster than before — 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](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t10/) ### Test 11 · ★ · right ✓ {#t11} Is it rude to ask friends to sign your cast? - **1.** No, doctors don't mind writing on the outside — **← Mova's choice** · **✓ the right answer** · no support - **2.** Yes, it damages the bone — no support - **3.** Yes, only doctors and nurses are allowed to write on it — no support - **4.** No, but only with a pencil — 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](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/t11/) ### Exam question 1 · formal language · right ✓ {#e1} State the principal reason for which a plaster cast is applied to a fractured limb. - **1.** To immobilise the bone throughout the period of healing — **← Mova's choice** · **✓ the right answer** · no support - **2.** To protect the limb from airborne germs — no support - **3.** To accelerate the healing of the bone to a matter of days — no support - **4.** To indicate to others that the limb is injured — 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](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/e1/) ### Exam question 2 · formal language · wrong ✗ {#e2} It is reported that a patient's fingers have become cold, pale and numb beneath a newly applied cast. Identify the appropriate course of action. - **1.** The cast is to be warmed upon a radiator — **← Mova's choice** · no support - **2.** An implement is to be inserted to relieve the pressure — no support - **3.** Medical attention is to be sought without delay — **✓ the right answer** · no support - **4.** The patient is to persevere until the following week — 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](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/e2/) ### Exam question 3 · formal language · right ✓ {#e3} Which of the following statements most accurately characterises the oscillating saw employed for the removal of casts? - **1.** Its blade vibrates rather than rotates and does not cut skin — **← Mova's choice** · **✓ the right answer** · no support - **2.** It is employed only under general anaesthetic — no support - **3.** Its blade rotates at very great speed — no support - **4.** It severs both plaster and skin indiscriminately — 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](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/e3/) ### Exam question 4 · formal language · right ✓ {#e4} Select the response consistent with the established facts concerning the limb upon removal of a cast. - **1.** Muscle wasting is temporary and resolves with normal use — **← Mova's choice** · **✓ the right answer** · no support - **2.** Muscle wasting is permanent — no support - **3.** The bone has reached its full strength — no support - **4.** The limb shall cease to grow thereafter for the remainder of life — 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](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/2-the-cast-itching-signing-and-the-saw/e4/) - ← previous: [1. Snap! Breaking a bone](https://md.mova.elamur.ai/free/en/school-run/medicine/1-snap-breaking-a-bone/) - next →: [3. Sprains, strains and bruises](https://md.mova.elamur.ai/free/en/school-run/medicine/3-sprains-strains-and-bruises/) - ↑ back to [Medicine](https://md.mova.elamur.ai/free/en/school-run/medicine/)