BIO 291 Week 5 WileyPLUS Quiz

Entire Course Link

https://plus.google.com/u/0/108200033792883877670/posts/dWT4sDYbQKM

 

 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
Powered by