Topic 31 Heart and lungs — what needs James (15)

Topic 31 · Heart and lungs · Type 1 · tests LIF5-055

EasyMCQType 1 — what a named animal's or person's heart is doing

A kitten chases a piece of string round the kitchen, and its heart beats fast. What is the kitten's heart doing?

1. a) pumps blood all round the body ← key
2. b) takes in air
3. c) mashes up food
4. d) decides what the body does

Why it is this type: The heart pumps blood all round the body. The kitten's heart beats fast as it chases the string. So its heart is pumping blood all round its body.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 2 · tests LIF5-055

EasyMCQType 2 — what the heart IS; what each squeeze does

A hamster runs on its wheel, and its tiny heart squeezes fast. What does each squeeze do?

1. a) pushes blood out along tubes ← key
2. b) pulls air into the lungs
3. c) mashes up food
4. d) pulls blood back out of the legs

Why it is this type: The heart is a pump. Each squeeze pushes blood out of the heart along tubes to every part of the body. So each squeeze of the hamster's heart pushes blood out along tubes.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 3 · tests LIF5-055

MediumMCQType 3 — how many squeezes a counted number of beats means; what makes each tap at the top of a foot; what a sleeping toddler's heart is doing

A smartwatch on a man's arm counts his heartbeats: 60 beats in one minute. How many times did his heart squeeze in that minute?

1. a) 30
2. b) 60 ← key
3. c) 120
4. d) 1

Why it is this type: Each beat of the heart is one squeeze. The watch counted 60 beats in one minute. So his heart squeezed 60 times in that minute.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 4 · tests LIF5-055

HardtypedType 4 — the name of the lump of muscle that pumps blood (typed); two beat counts compared — which sentence is true

A lump of muscle in the middle of your chest squeezes again and again, and each squeeze pushes blood along tubes to every part of your body. Type the name of that part.

Accepted answers (typed): heart, the heart, a heart, your heart, my heart, hart, heart muscle, the heart muscle; wrong_fb for lungs / lung / stomach / muscle.

Why it is this type: The heart is a lump of muscle in the middle of the chest. It squeezes again and again, and each squeeze pushes blood along tubes to every part of the body. So the part is the heart. Hard because: the name is produced from its description, with the lungs and the stomach as the traps with their own feedback.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 5 · tests LIF5-056

EasyMCQType 5 — which part of the air passes into the blood; which gas leaves with the used air

A girl blows out the candles on her birthday cake. Which gas has passed out of her blood and leaves in that breath?

1. a) water vapor
2. b) dust
3. c) oxygen
4. d) carbon dioxide ← key

Why it is this type: The blood brings a waste gas back to the lungs. That waste gas, carbon dioxide, passes out of the blood and is breathed out. So carbon dioxide leaves in her breath.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 6 · tests LIF5-056

EasyMCQType 6 — where the breathed-in air goes; which part fills with air

A trumpet player takes a deep breath before a long note. Where does the air go?

1. a) down a tube into the lungs ← key
2. b) down a tube into the stomach
3. c) straight into the heart
4. d) up into the brain

Why it is this type: The lungs take in air. Air goes down a tube from the throat into the lungs. So the air goes down a tube into his lungs.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 7 · tests LIF5-056

HardMCQType 7 — the two tubes: which sentence is true when a child swallows and breathes in; a boy's same-tube claim — the correct reason

A boy says the air he breathes in goes down to his stomach. He is wrong. What is the correct reason?

1. a) Air goes up its own tube, which ends at the brain.
2. b) Air goes down its own tube, which ends at the lungs. ← key
3. c) Air goes down to the stomach only while he is eating.
4. d) Air stays in his throat and never goes down at all.

Why it is this type: Food goes down its own tube, to the stomach. Air goes down its own tube, to the lungs. So the air he breathes in does not go to his stomach, and the boy is not right. Source: register LIF5 SD-6 (pre-existing); Lesson 2 (The lungs: oxygen in, waste gas out)'s two-tubes lines.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 8 · tests LIF5-056

MediumMCQType 8 — why a child must breathe in again; what the used air carries out; what happens where air meets blood; which part passes oxygen to the blood

A boy plays a long note on a recorder until he runs out of breath, then gasps. Why does he need to breathe in again straight away?

1. a) His recorder needs air to make its sound.
2. b) His body needs oxygen from the air. ← key
3. c) His stomach needs air to mash his lunch.
4. d) His lungs have filled up with blood.

Why it is this type: The part of the air a living thing needs is called oxygen. In the lungs, oxygen from the air passes into the blood. So he must breathe in again straight away, because his body needs oxygen from the air.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 9 · tests LIF5-056

Hardmulti-selectType 9 — the name of the part of the air that passes into the blood (typed); the TWO true sentences about the lungs

A woman breathes in and out as she reads a book. Select the TWO sentences that are true about her lungs.

1. a) In her lungs, oxygen from the air passes into her blood. ← key
2. b) In her lungs, carbon dioxide passes out of her blood. ← key
3. c) Her lungs mash up the air before it goes to her stomach.
4. d) Her lungs pump her blood round her body.

Why it is this type: The lungs take in air. In the lungs, oxygen from the air passes into the blood, and carbon dioxide passes out of the blood. So the two true sentences are the oxygen passing in and the carbon dioxide passing out. Hard because: a set of two true statements is held together against the same-tube belief and the heart's job.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 10 · tests LIF5-057

MediumMCQType 10 — which part put the oxygen into the blood; which gas the blood carries to the muscles / brings back; the part-and-job table with a blank; the loop with the heart or the body box blank; which part the blood goes through next, or reaches first on the way back

[the loop with the heart box blank] Here is a drawing of the blood going round the body, with one part missing. Which part goes in the empty box?

1. a) the brain
2. b) the lungs
3. c) the heart ← key
4. d) the stomach

Why it is this type: Blood carrying oxygen comes from the lungs into the empty box and goes on to every part of the body. The heart pumps blood from the lungs out to every part of the body. So the heart goes in the empty box.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 11 · tests LIF5-057

MediumMCQType 11 — why the heart pumps faster; why the breathing speeds up; what happens to the oxygen at the fingers; what a sleeping guinea pig's lungs and heart are doing

A girl skips rope fast, and her heart pumps faster. What is the reason?

1. a) The muscles need more oxygen, so the heart pumps blood round faster. ← key
2. b) The lungs stop working, so the heart does their job too.
3. c) The heart pumps faster to warm the body up.
4. d) The heart pumps faster to push food along faster.

Why it is this type: Every part of the body needs oxygen, and the blood carries it there. Skipping makes her leg muscles need more oxygen. So her heart pumps the blood round faster.

Recommendation: Approve as the exemplar

Topic 31 · Heart and lungs · Type 12 · tests LIF5-057

HardorderingType 12 — the four stops of the oxygen and the waste gas in order, first to last; why both slow down together at rest; what is true of the blood while a boy holds his breath; the name of the two parts that take in air and pass oxygen to the blood (typed)

A boy runs across the playground. Tap the steps the oxygen and the waste gas take in the order they happen, first to last. — In the lungs, oxygen from the air passes into the blood. → The heart pumps the blood out along tubes to the leg muscles. → In the leg muscles, oxygen passes out of the blood and carbon dioxide passes in. → The blood carries the carbon dioxide back to the lungs, where it is breathed out.

Why it is this type: The lungs put oxygen into the blood. The heart pumps that blood to every part of the body, where oxygen passes out and carbon dioxide passes in. So the blood brings the carbon dioxide back to the lungs, and the order runs lungs, heart, muscles, lungs. Hard because: the whole loop is put in order from the four stops the lesson traced. Convention: the key is stored first to last, the stem's direction; no sibling item asks the reverse.

Recommendation: Approve as the exemplar