The correct option is a. Hardening of tooth enamel by the presence of fluoride is not the function of saliva.
Which of the following are functions of saliva?
- Cleaning effect of washing away food debris.
- Makes swallowing food easier.
- Antibacterial effect of fighting off bacteria entering the mouth.
- Lubricating effect that protects mucous membranes.
- pH buffering effect that prevents caries.
- Effect of promoting remineralization of teeth.
Which of the following is not a function of saliva?
The correct option is a. Hardening of tooth enamel by the presence of fluoride is not the function of saliva.
Which are functions of saliva quizlet?
Saliva: Moistens food and tissues in the oral space, facilitates chewing and ingestion , aids digestion of starches, and normalizes water balance.
Which of the following is not a function of the large intestine which of the following is not a function of the large intestine?
Bacterial fermentation of indigestible materials. So, the correct answer is “ Nutrient absorption “.
Does saliva remove microbes?
A thin film of saliva covers teeth and buffers against bacteria, while antimicrobial agents in saliva kill disease-causing bacteria . As saliva moves around the mouth, it sweeps away small bits of food that feed the bacteria responsible for tooth decay.
What part of the tooth bears the force of chewing?
| Question Answer | Which part of the tooth bears the force of chewing? enamel | The small intestine is specialized for absorption. The absorptive effectiveness is enhanced by increasing the surface area of the intestinal wall. Which of the following accomplish this task? plicae circularis and intestinal villi |
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What are the four functions of your saliva?
Saliva acts in relation to taste, mastication, bolus formation, enzymatic digestion, and swallowing . The protective functions of saliva including maintenance of dental and mucosal integrity indirectly influence the digestive process [15].
What is the main component of saliva?
Saliva is composed of a variety of electrolytes , including sodium, potassium, calcium, magnesium, bicarbonate, and phosphates. Also found in saliva are immunoglobulins, proteins, enzymes, mucins, and nitrogenous products, such as urea and ammonia.
What is saliva give its importance?
Saliva is important because it: Keeps your mouth moist and comfortable . Helps you chew, taste , and swallow. Fights germs in your mouth and prevents bad breath.
What is saliva and what is its function?
The digestive functions of saliva include moistening food, and helping to create a food bolus , so it can be swallowed easily. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before food reaches the stomach.
What enzyme does saliva contain?
Saliva contains special enzymes that help digest the starches in your food. An enzyme called amylase breaks down starches (complex carbohydrates) into sugars, which your body can more easily absorb. Saliva also contains an enzyme called lingual lipase, which breaks down fats.
What are the three phases of gastric activity?
The physiologic stimulation of acid secretion has classically been divided into three interrelated phases: cephalic, gastric, and intestinal [6]. The cephalic phase is activated by the thought, taste, smell, and sight of food, and swallowing. It is mediated mostly by cholinergic/vagal mechanisms.
What is the main function of the digestive system?
Your digestive system breaks down and absorbs nutrients from the food and liquids you consume to use for important things like energy, growth and repairing cells.
What process is digestion?
Digestive Processes. The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion , chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.
Which of the following is a function of the digestive tract?
The function of the digestive system is digestion and absorption . Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.
