In disease transmission the following is not a portal of entrya.Pancreasb.Gastrointestinal tractc. genitourinary tractd.Respiratory tract

The most common portal of entry for pathogens is the skin.

Microbes transferred via the __________ portal of exit(s) would be present in pus or drainage that is easily transmitted to others.ANSWERurogenitalocularGI mucosaI AM SUREotic and skin

Which of the following parts of the digestive system are not parts of the digestive tract – that is, food does not pass through them?LiverStomachMouthSaliva glandsI'm not sure

Which of the following BEST describes absorption?A nutrient travels from the blood stream into the large intestine for excretion.A water molecule moves from the GI tract and then into the blood stream.A water molecule travels into the stomach from the food, but remains intact.A nutrient moves into the kidney to circulate and dispense into the body.

A mother had diarrhoea. She was making a meal for her child but did not wash her hands before preparing the food and her child became sick with diarrhoea. Can you identify the source and the pathway of disease transmission?a.The source is the mother → excreta → fingers → food → mouthb.The source is the excreta → mother → fingers → food → mouthc.The source is the food → excreta → fingers → mother → mouthd.The source is the environment → excreta → fingers → food → mouth