Quiz 1 - Term 2 - Human Nutrition
Quiz by Arjumand Hasan Nahdi
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- Q 1/20Score 0The diagram shows a villus. The arrows show the direction of flow within vessels associated with the villus. Which vessel carries blood to the liver?29CDBA
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- Q1The diagram shows a villus. The arrows show the direction of flow within vessels associated with the villus. Which vessel carries blood to the liver?CDBA60sEditDelete
- Q2What is not a result of cholera infection?severe diarrhoeaintestinal blockageloss of salts from bloodsevere dehydration of body tissues60sEditDelete
- Q3What is the function of bile?to emulsify starchto increase the surface area of fats for digestionto provide enzymes for fat digestionto acidify food entering the duodenum60sEditDelete
- Q4In which region of the alimentary canal is maltose digested?rectumstomachsmall intestinecolon60sEditDelete
- Q5Which description of the cholera pathogen is correct?The bacterium produces a toxin that causes the secretion of chloride ions into the small intestine, drawing in water by osmosis.The virus prevents the kidney from absorbing water, so water is secreted into the small intestine, causing diarrhoea.The virus produces a toxin that causes the secretion of chloride ions into the small intestine, drawing in water by osmosis.The bacterium prevents the kidney from absorbing water, so water is secreted into the small intestine, causing diarrhoea60sEditDelete
- Q6The diagram shows a fat globule (P) in one part of the alimentary canal and the same globule (Q) as it appears in another part of the alimentary canal.P- duodenum Q- stomachP- rectum Q- ileumP- ileum Q- oesophagusP- oesophagus Q- ileum60sEditDelete
- Q7The diagram shows the human alimentary canal. Which labelled part absorbs the most water?ADCB60sEditDelete
- Q8The cholera bacterium produces toxins that cause chloride ions to be secreted into the small intestine. How does this affect the water potential of blood in the intestinal capillaries and the intestinal contents?DBCA60sEditDelete
- Q9What functions are carried out by the small intestine?BACD60sEditDelete
- Q10The graph shows the effect of pH on the activity of a human digestive enzyme. What is the enzyme?PepsinmaltaseAmylaseTrypsin60sEditDelete
- Q11The diagram shows a tooth with signs of decay. What has made the hole in the enamel of the tooth?SalivaSugarTooth pasteAcid60sEditDelete
- Q12Statements 1– 4 describe stages in the development of cholera. 1 Chloride ions are secreted in the gut. 2 Osmosis causes water to move into the gut. 3 The infected person becomes dehydrated. 4 Toxins are produced by the pathogenic bacteria. What is the correct sequence of the four stages?4 → 1 → 3 → 21 → 2 → 3 → 44 → 1 → 2 → 31 → 4 → 3 → 260sEditDelete
- Q13The diagram shows a human tooth. Which statement best describes the function of this tooth?It cuts food.It tears food.It bites into food.It grinds food60sEditDelete
- Q14The graph shows the effect of pH on the activity of three different enzymes. The table shows the pH of different parts of the alimentary canal. Which enzymes in the graph are likely to be protease enzymes?Z onlyY and Z onlyX and Z onlyX, Y and Z60sEditDelete
- Q15Which type of tooth does the diagram show?molarcaninepremolarincisor60sEditDelete
- Q16Which statement describes assimilation?the breakdown of large, insoluble molecules into small soluble moleculesthe taking of substances into the body through the mouththe movement of small soluble molecules into the cells of the body, where they are used, becoming part of the cellsthe movement of small soluble molecules through the wall of the intestine into the blood60sEditDelete
- Q17The diagram shows a person’s teeth. Some of their teeth are missing. What would the person find difficult?drinking watertearing dry breadbiting applesgrinding meat60sEditDelete
- Q18The diagram shows a villus. Structures P and Q absorb different products of digestion. Which row identifies the products absorbed by P and Q?P- fatty acids Q- maltoseP- amino acids Q- glucoseP- maltose Q- amino acidsP- glucose Q- fatty acids60sEditDelete
- Q19The diagram shows the human alimentary canal, with a string marked in metres beside it. How long is the small intestine?2 m6 m8 m9 m60sEditDelete
- Q20What must be increased in the diet of a person suffering from constipation?proteinironfatsfibre60sEditDelete
