A+ GUide
Which of the following is not a function of the digestive system?
Blood filtration
Nutrient absorption
Chemical digestion
Defecation - correct answers✅✅Blood filtration
The ___________ is the innermost layer of the alimentary canal + is
made of ______________. - correct answers✅✅mucosa +
epithelium
Chemical digestion of ________ + __________ begins in the mouth. -
correct answers✅✅lipids + carbohydrates
Which letter represents dentin? - correct answers✅✅E
Molars are best designed for:
Ripping
Tearing
Grinding - correct answers✅✅Grinding
Which of the following occurs during the pharyngeal stage of
deglutition?
The tongue shapes the food.
The uvula closes the passage to the nasal cavity.
, BL2024 Exam 3 Questions and Answers
A+ GUide
The bolus moves to the back of the mouth.
The circular muscles contract.
The lower esophageal sphincter relaxes. - correct
answers✅✅The uvula closes the passage to the nasal cavity
TRUE or FALSE: Peristalsis occurs along the entire legth of the
alimentary canal. - correct answers✅✅True
The primary function of the rugae is to:
Allow the stomach to expand upon entrance of the bolus.
Secrete gastric juices.
Contract + allow for mixing to occur.
Absorb nutrients. - correct answers✅✅Allow the stomach to
expand upon entrance of the bolus
Which of the following is incorrectly paired with the chemical it
secretes + that chemical's function?
Mucous cell - mucus - prevent self-digestion
Parietal cell - intrinsic factor - absorb B12
Parietal cell - HCl - digest carbohydrates
Chief cell - pepsinogen - digest protein
G cell - gastrin - regulate gastric motility - correct
answers✅✅Parietal cell - HCl - digest carbohydrates