Liver Function Tests (LFTs) by Dr. Khalil Abdullah Khalil
The liver, a vital organ in the human body, performs various functions like storing glycogen, processing fats and proteins, and eliminating toxins. Liver Function Tests (LFTs) are essential clinical biochemistry laboratory blood assays that provide valuable information about the liver's health and functionality. These tests help in diagnosing liver diseases and monitoring their progression by evaluating factors like enzyme activity and synthesis in the liver. Alanine Aminotransferase (ALT) and Aspartate Aminotransferase (AST) are key enzymes measured in LFTs to assess liver health.
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Presentation Transcript
19/04/2025 L/Q: Can I change the subject of the formulae? C.S - Resilience TIME Power OF 3 5 Minute Timer 5 Minute Timer Find the LCM of 48 and 60 Identify the value of i with reasons Calculate and simplify Rearrange, Change the Subject, Inverse Operations, Brackets, Fractions, Factorise Keywords
19/04/2025 Modelled Example Rearrange the formula to make a the subject b = 5a + 21 -21 we want to rearrange the formula so it says a = This means -21 b 21 = 5a 5 5 b 21 = a 5 Our answer should say ... a = b 21 5
19/04/2025 Fluency Rearrange each formula to make s the subject 1. u = 11s + 3 2. w = 8s + p 3. q = 3s + 4t 4. 7s + m + t = l 1. 2. 4 = g(s 7) a = 3(s + 4) 1. 2. r = q 3s 22 + 5s = g
19/04/2025 Modelled Example Rearrange the formula to make v the subject e = 3v + t This means we want to rearrange the formula so it says v = 3 5 x5 x5 5e = 3v + t - t - t 5e t = 3v 3 5e t = v 3 Our answer should say ... v = 5e t 3
19/04/2025 Thinking Question Rearrange the formula to make p the subject m = p + n 2 How does this question vary from the previous and why is this significant?
Fluency 19/04/2025 Rearrange the formula to make x the subject Answer should say a = b 21 2 Answer should say a = b 21 2 Answer should say a = b 21 2
19/04/2025 Modelled Example Example Question Make q the subject of the formula: V q p 4 5 + ) ( Example Question (alterative) Make q the subject of the formula: V q p 4 5 + ) ( Divide by 5 4 2 V q p = + Subtract p 2= 2= Expand brackets + 2= V 4 v p 5 q 5 q 5 = 4 = V 4 p 5 5 p Subtract 5p 5 p 2 Divide by 5 V 5 V 5 4 = q 2 both sides q 2 both sides 5 4 = q p v p 4 5 = q 5 Equivalent
19/04/2025 Reasoning Show how roots are used within this problem and identify where misconceptions and errors could be made. Rearrange each equation to make a the subject Answers
19/04/2025 NOTE GCSE Problem Question Make r the subject of the formula: This style of question is really significant because this is a formula for The Volume of a Sphere. 4 = V r 3 multiply by 3 3 = 3 V r 3 4 divide by 4 Some GCSE questions may provide you with the volume and want you to find the radius 3 V = r 3 Take cube root 4 Having CONFIDENCE with rearranging allows you change the subject, so that you will only then need to substitute into your formulae 3 v r = 3 4
19/04/2025 COMPLEX REARRANGING Sometimes the variable that we are making the subject of a formula appears twice. For example, S = 2lw + 2lh + 2hw where S is the surface area of a cuboid, l is its length, w is its width and h is its height. Make w the subject of the formula. To do this we must collect all terms containing w on the same side of the equals sign. We can then isolate w by factorising.
19/04/2025 S = 2lw + 2lh + 2hw Let s start by swapping the left-hand side and the right-hand side so that the terms with w s are on the left. 2lw + 2lh + 2hw = S 2lw + 2hw = S 2lh subtract 2lh from both sides: w(2l + 2h)= S 2lh factorise: S 2lh 2l + 2h w = divide by 2l + 2h:
19/04/2025 Problem Solving F.A.I.L S.A.I.L Question: Make p the subject of the formula: Question: Make x the subject of the formula: + p r = + ax m bx y + = p q d = + ax bx m y + ) = + d p ( q p r ) = + + x a ( b m m y y + = + dp dq p r = x a b ) 1 = = dp d p ( p r r r dq dq d dq = p 1
19/04/2025 AFL Exam question
19/04/2025 Please complete GSB worksheet
19/04/2025 L/Q: Can I rearrange complex formulae? C.S - Confidence TIME Power OF 3 5 Minute Timer 5 Minute Timer Find the HCF of 90 and 108 Identify the value of i with reasons Calculate and simplify Rearrange, Change the Subject, Inverse Operations, Brackets, Fractions, Factorise Keywords
