- Description
BIO 291 Week 5 WileyPLUS Quiz
BIO/291 Week 5 Question 1
Lingual lipase, which is present in saliva, begins chemical digestion of what macromolecule?
| Carbohydrates |
| Fats/lipids |
| Nucleic acids |
| Proteins |
BIO/291 Week 5 Question 2
Which of the following is not a correct salivary gland?
| Lingual |
| Parotid |
| Sublingual |
| Submandibular |
BIO/291 Week 5 Question 3
Which of the following statements regarding saliva is incorrect?
| Produced by three glands – parotid, submandibular and sublingual |
| Begins protein and fat/lipid chemical digestion in the mouth |
| Contains a lysozyme that kills bacteria |
| Acts as a buffer for food contents due to high amounts of bicarbonate |
BIO/291 Week 5 Question 4
Which of the following structures is essential in controlling glandular secretion along the length of the digestive tract?
| Pyloric Sphincter |
| Myenteric Plexus |
| Goblet Cells |
| Submucosal Plexus |
BIO/291 Week 5 Question 5
Which of the following structures is essential in controlling the contraction of the muscularis (externa) along the length of the digestive tract?
| Pyloric Sphincter |
| Myenteric Plexus |
| Goblet Cells |
| Submucosal Plexus |
BIO/291 Week 5 Question 6
What epithelial type can be found lining the stomach through the rectum?
| Simple columnar |
| Stratified columnar |
| Stratified squamous |
| Transitional |
BIO/291 Week 5 Question 7
Which of the following is not a correct component of the digestive system mucosa?
| Simple columnar epithelium |
| Lamina propria |
| Muscularis (externa) |
| Muscularis mucosae |
BIO/291 Week 5 Question 8
The parietal cells in the stomach are responsible for secreting which of the following?
| Gastric amylase |
| Gastrin |
| Intrinsic factor and hydrochloric acid |
| Pepsinogen |
BIO/291 Week 5 Question 9
What molecule is needed to activate pepsinogen?
| Gastric amylase |
| Gastrin |
| Hydrochloric acid(HCl) |
| Pepsinogen |
BIO/291 Week 5 Question 10
Intrinsic factor is needed in order to absorb which of the following?
| Vitamin A |
| Vitamin B12 |
| Vitamin C |
| Vitamin D |
BIO/291 Week 5 Question 11
What acid-resistant bacteria is the cause of most peptic ulcers?
| Helicobacter pylori |
| Staphylococcus aureus |
| Escherichia coli |
| Staphylococcus pylori |
BIO/291 Week 5 Question 12
Which of the following statements is incorrect regarding a villus?
| Lamina propria contains a lacteal and capillary bed |
| Contractions speed up during digestion |
| Covered by simple squamous epithelium |
| Intestinal glands/Crypts of Lieberkuhn are found between the villi |
BIO/291 Week 5 Question 13
Which of the following enzymes would not digest proteins?
| Carboxypeptidase |
| Pancreatic lipase |
| Pepsin |
| Trypsin |
BIO/291 Week 5 Question 14
Accumulation of which of the following in blood will result in jaundice?
| Bile pigments |
| Cholesterol |
| Lipase |
| Urea |
BIO/291 Week 5 Question 15
The lining of the large intestine/colon primarily absorbs which of the following substances?
| Proteins/peptides |
| Carbohydrates/starches |
| Water, vitamins and minerals |
| Fats and lipids |