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CH9 Questions with verified correct answers - complete solution 2024
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CH9 Questions with verified correct answers - complete solution 2024
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CH9✅✅
The practitioners most directly involved in promoting healthy eating are _____ and
_____ - -nutritionists; dietitians
The tube that leads from the mouth to the anus is the - ✅✅-alimentary canal
The selective intake of food into the mouth is called - ✅✅-ingestion
The first site involved in mechanical and chemical digestion is the - ✅✅-mouth
✅✅
The majority of a tooth is composed of _____ which is covered by an outer layer of
______. - -dentine
enamel
dentists - ✅✅-Practitioners in the anatomy, physiology, and pathology of the
oral-facial complex
✅✅-Specialists in disorders of the tissues surrounding the teeth
periodontists -
gastroenterologists - ✅✅-Physicians specializing in diagnosis and treatment of
disorders of the stomach and intestines
proctologists - ✅✅-Physicians specializing in diagnosis and treatment of disorders
of the rectum and anus
dietitian -✅✅-Managers of food services who promote healthy eating
nutritionists - ✅✅-Professionals who prevent and treat illness by promoting healthy
eating
✅✅
Identify the functions of saliva. - -It moistens the food to make it easier to
swallow.
It begins the chemical digestion of starch and fat.
The role of the accessory organs of digestion is to: -✅✅-assist in digestion by
secreting enzymes and other chemical substances.
mechanically break down food as it passes through them.
✅✅
Deglutition is the process of ______ . It is accomplished by alternating waves of
smooth muscle contraction called _____. - -swallowing; peristalsis
✅✅
The calcified deposits at the margin of the teeth along the gums is ______. -
-tartar
, What are some of the functions of the tongue? - ✅✅-Stimulate the sense of taste
by way of papillae on its surface
Position food between the teeth for chewing
✅✅
The waves of smooth muscle contraction that move the bolus of food downward in
the esophagus are called ______. - -peristalsis
✅✅
The dentine (dentin) of an adult tooth surrounds a central _____ _____, where blood
vessels and nerves are found. - -pulp cavity
mucus - ✅✅-lubricates and protects stomach walls
gastrin - ✅✅-A hormone that stimulates gastric motility and secretion
HCl (hydrochloric acid) - ✅✅-Acid that converts pepsinogen to pepsin, activates
gastric lipase, and breaks down tough tissue in ingested food
pepsinogen - ✅✅-Inactive form of pepsin secreted by chief cells
pepsin - ✅✅-Active enzyme that starts protein digestion
intrinsic factor - ✅✅-Binds vitamin B12 so that it can be absorbed in the small
intestines
✅✅
Which three of the following represent the paired salivary glands? -
-Submandibular
Sublingual
Parotid
Gastric ulcers are peptic ulcers that occur in the _____. -✅✅-stomach
Identify the two major subdivisions of the digestive system. - ✅✅-The accessory
organs
The alimentary canal
The word "small" in the term small intestines refers to this organ's - ✅✅-diameter
dental plaque - ✅✅-Collection of microorganisms on the teeth
dental caries - ✅✅-Tooth decay and cavity formation
pyorrhea - ✅✅-Infection of gums with pus-like discharge
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