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how do white cells differ from red cells a in their structure b their function a white cells have nuclei red cells do not have nuclei some white
q explain cardiac calcificationpericardial calcium is most dense in the atrioventricular grooves and is seen as thick oblique circles or arcs of
q what is pulmonary venous congestion in pulmonary venous hypertension the earliest change is an increase in calibre of the upper lobe vessels if the
q pulmonary arterial system changes a pulmonary plethorawith increased pulmonary arterial blood flow pulmonary branches are visualized beyond the
q what is pulmonary veins in normal pulmonary vasculaturethe right and left upper lobe or superior pulmonary veins descend lateral to the arteries
q describe the pulmonary arterythe main pulmonary artery is seen on the pa view as its left border forms the pulmonary bay the right pulmonary artery
state three ways in which the absorbing surface of the small intestine is increased the absorbing surface of the small intestine is increased
name the enzyme present in saliva and say what type of food it acts on the enzyme in saliva is salivary amylase and it acts on
q how do you define normal pulmonary vasculaturepulmonary vessels are seen in the medial 23 of the lung vessels are generally not identified in the
how does chewing food help to speed up digestionchewing reduces food to portions small sufficient to be swallowed and enhances the surface area of
what are the final digestion products of a protein b fat c starch a proteins are digested to amino acidsb fats are digested to fatty acids and
q what do you mean by descending aorta the descending aorta begins at the level of the fourth thoracic vertebra it is defined through the cardiac
q what is aortic enlargement ascending aorta the ascending aorta along with the svc forms a portion of the right cardiac border on the pa view after
what do digestive enzymes do to fooddigestive enzymes suspend food make food soluble break large insoluble food molecules into smaller soluble
q illustrate pulmonary artery enlargementon the pa view the pulmonary trunk is border forming for a short distance between the aortic knuckle and the
a name two food additives needed to keep food wholesome and say what they do b name two food additives or types of additive which are not necessary
how does refrigeration help to stop food from going bad western diets are often unhealthy due to they have too much sugar and fat and not
could you survive on a diet which contained no carbohydrate it should be possible to survive without carbohydrate as energy can be obtained from
a balanced diet must have enough energy to meet the bodys needs what else must it have in addition to sufficient energy a balanced diet must
q define radiological anatomythe borders of the mediastinum on the cxr are defined by the contrast produced by adjacent air filled
a which vitamin helps to maintain resistance to infectious diseases b name two foods which are a good source of this vitamin a vitamin a retinol
q show technical aspects of the postero-anterior film1 identification patient identification and side marker must be present2 centering the
state one benefit of including vegetable fibre roughage in the diet vegetable fibre retains water keeping the faeces soft and bulky stops
q explain radiology of the heartmore than a century after its introduction to clinical practice the chest radiograph cxr remains an important
a name the mineral elements needed by i bones ii red blood cells iii the thyroid gland b which of these elements is i present in milk b lacking