Calebomolo01

the normal AP ddimension of the aorta lumen should not exceed Correct Answer: 3 cm the celiac trunk is the first _____ branch of the aorta Correct Answer: anterior the celiac trifurcates into...? Correct Answer: the common hepatic artery the left gastric artery the splenic artery the gastroduodenal artery is a branch of the...? Correct Answer: the common hepatic artery this artery branches off the anterior aspect of the aorta and travels vertically anterior and parallel to the ...

Materials used for the matching layer of a transducer must have an impedance between impedance levels of the ______________ Correct Ans ~ skin and PE element Which of the following is an abnormality that would lead to an imcrease in the Reynolds number? Correct Ans ~ stenosis of the vessel If a 3.5 MHz wave is transmitted through the media listed below, the longest wavelength will be seen in the wave moving through ____________ Correct Ans ~ bone The speed of sound is fas...

What type of wave is sound? Correct Ans ~ mechanical and longitudinal The frequency ranges for ultrasound are: Correct Ans ~ >20 kHz The speed of sound in soft tissue is: Correct Ans ~ 1540 m/s which of the following transducers fires the elements in groups? A. Linear sequenced array B. Phased array C. Continuous-wave transducer D. Single-element transducer Correct Ans ~ A Enhancement is caused by** Correct Ans ~ weakly attenuating structures wavele...

Ovarian Follicle Cyst Correct Answer: An ovarian follicle increased over 2.5 cm Corpus Luteum Cyst Correct Answer: Progesterone producing ovarian cyst present during pregnancy Hemorrhagic Cyst Correct Answer: Cyst cause from bleeding Tubo-ovarian Abcess Correct Answer: Infected cyst located between the uterus and the ovary. Endometriosis/ Chocolate Cyst Correct Answer: Ectopic endometrial tissue located in the ovary. Cyst appears during the menstrual cycle. Cystadenoma Correc...

Here is a right-angled triangle. 4 cm 8.5 cm x cm Work out the value of x. x = ...................................................... (Total for Question 1 is 2 marks) 2 2 T = 4m2 − 11 (a) Work out the value of T when m = − 3

(a) Simplify (x3)5 Answer ALL questions. Write your answers in the spaces provided. You must write down all the stages in your working. (b) Expand and simplify 4(x + 3) + 7(4 − 2x) ...................................................... (1) (c) Factorise fully 15x3 + 3x2y .................................................................................. (2) ..................................................

1 Solve 7x − 27 < 8 ....................................................... (Total for Question 1 is 2 marks) 2 Write 124 as a product of its prime factors. ....................................................... (Total for Question 2 is 2 marks) 2 3 A delivery company has a total of 160 cars and vans. the number of cars : the number of vans = 3 : 7 Each car and each van uses electricity or diesel or petrol. 1 8 of the cars use electricity....

1 (a) Which one of the following is an example of a variable cost? (1) Select one answer. A Insurance B Packaging C Rent D Salaries (b) Which one of the following could be used to identify a market segment? Select one answer. (1) A Demographics B Inflation C Marketing mix D Revenue

1 Circle the smallest number. [1 mark] 4.31 • 4.3 4.301 4.33 2 Work out  4  –  3   8   2 Circle your answer. [1 mark]  7     10   7     6   1   10   1    6  box

1 Circle the fraction that is equal to 1.25% [1 mark] 1 8 1 25 1 80 1 125 2 Circle the expression that means the probability of A and not B. [1 mark] P(A' U B) P(A U B') P(A' ∩ B) P(A ∩ B') 3 Circle the triangular number. [1 mark] 9 12 15 18 4 Circle the inequality represented by the diagram.

Answer all questions in this section. box This question is about rates of reaction. Potassium manganate(VII), KMnO4, reacts with sodium ethanedioate, Na2C2O4, in the presence of dilute sulfuric acid. 2 MnO –(aq) + 16 H+(aq) + 5 C O 2–(aq)  2 Mn2+(aq) + 8 H O(l) + 10 CO (g) The reaction mixture is purple at the start and goes colourless when all the MnO –(aq) ions have reacted. The rate of reaction can be measured as 1000 where t = the time taken for the mixture...

This question is about ionisation energies of Group 2 elements. . Explain why the first ionisation energy of the Group 2 elements decreases down the group. [2 marks] . Give an equation, including state symbols, to represent the process that occurs when the third ionisation energy of magnesium is measured. [1 mark] . Explain why the third ionisation energy of magnesium is much higher than the second ionisation energy of magnesium.

Question 1 Urban issues and challenges Study Figure 1, a world map showing the rate of growth for some major cities, measured in people per hour. Figure 1

Question 1 The challenge of natural hazards 0 1 . 1 Which one of the following events is not an example of a natural hazard? Shade one circle only. [1 mark] A Tsunami B Earthquake C Volcanic eruption D Oil spill Question 1 continues on the next page

0 1 Figure 1 shows an electric super-car. Figure 1 0 1 . 1 The battery in an electric car needs to be recharged. Suggest two factors that affect the distance an electric car can travel before the battery needs to be recharged. [2 marks] 1 2 Use the Physics Equations Sheet to answer questions 01.2 and 01.3. outside the box . Write down the equation which links acceleration (a), change in velocity (Δv) and time taken (t). [1 mark] . The maximu...

0 1 Figure 1 shows a large wind farm off the coast of the UK. Figure 1 The mean power output of the wind farm is 696 MW, which is enough power for 580 000 homes. 0 1 . 1 Calculate the mean power needed for 1 home. Give your answer in watts. [2 marks] Mean power needed for 1 home = W 0 1 . 2 On one day the demand for electricity in the UK was 34 000 MW. Suggest two reasons why wind power was not able to meet this demand. [2 marks]

0 1 Read again the first part of the source, from lines 1 to 5. List four things about the old man from this part of the source. [4 marks] 1 2 3 4 0 2 Look in detail at this extract, from lines 10 to 15 of the source: The old man was thin and gaunt with deep wrinkles in the back of his neck. The brown blotches the sun brings from its reflection on the tropic sea were on his cheeks. The blotches ran well down the sides of his face an...

There are two types of reproduction: • sexual reproduction • asexual reproduction. . Complete Table 1 to compare sexual reproduction with asexual reproduction. Write a tick ( ) in the box if the statement is true. The first row has been completed for you. [2 marks] Table 1 Sexual reproduction Asexual reproduction Cell division occurs Fertilisation occurs Genes are passed on from parent to offspring Offspring are genetically identical to each other ...

There are two types of reproduction: • sexual reproduction • asexual reproduction. . Complete Table 1 to compare sexual reproduction with asexual reproduction. Write a tick ( ) in the box if the statement is true. The first row has been completed for you. [2 marks] Table 1 Sexual reproduction Asexual reproduction Cell division occurs Fertilisation occurs Genes are passed on from parent to offspring Offspring are genetically identical to each other ...

This question is about cells and transport. . Complete Table 1. [3 marks] Table 1 Name of cell part Function of cell part Contains genetic information Mitochondria Controls the movement of substances into and out of the cell Cells in potatoes are plant cells. Cells in potatoes do not contain chloroplasts. . What is the function of chloroplasts? [1 mark] . Name one type of cell in a potato plant that does not contain chloroplasts. [1 m...