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Worksheets23/24 Unit 5 Exam Prep Lecture 2 (a & b)
Total questions: 78
Worksheet time: 2hrs 42mins
Digestion begins in the (a) .
Saliva contains a carbohydrate enzyme called (a) .
What organ is this? (a)
The main function of the stomach is to: (a)
Which enzyme does the stomach produce? (a)
Where does protein digestion begin? (a)
Which cell produces pepsinogen? (a)
What is produced in the stomach? (a)
Which cranial nerve innervates the stomach? (a)
Which hormone decreases stomach emptying? (a)
Which hormone relaxes the pyloric sphincter? (a)
Gastric juice is made mostly of...
Hydrochloric Acid (HCl)
Pepsinogen
Intrinsic Factor
Lipases
Amylase
Which best describes the figure...
(a)
Secretes hydrochloric acid (HCl) makes stomach pH 1.5-3.5 (a)
Secretes intrinsic factor which allows for vit B12 absorption in small intestine (a)
Produces pepsinogen an inactive form of the digestive enzyme pepsin (a)
Secretes lipases to help digest fats (a)
Allows for Vit B12 absorption in the small intestine
HCl
Lipases
Amylase
Lysozymes
Intrinsic Factor
Digests proteins
HCl
Lipases
Amylase
Pepsinogen
Pepsin
Denatures proteins
HCl
Lipases
Amylase
Pepsinogen
Pepsin
A (a)
C (a)
E (a)
F (folds) (a)
I (a)
J (a)
M (a)
O (a)
(a) enters stomach from (b) .
(a) leaves stomach and goes to (b) .
The stomach is capable of what form(s) of digestion?
Mechanical
Propulsion
Peristalsis
Chemical
Physical
Which BEST describes the formula for chyme?
Bolus + Gastric Juice
Bolus + Saliva
Food + Saliva
Food + Lysozymes + Amylase + Water + Lipase
Bolus + Lysozymes + Amylase + Water + Lipase
Pyloric Sphincter
Allows the stomach to expand to hold up to 1 G of food
Controls stomach emptying into duodenum
Allow for special type of peristalsis called churning
Controls stomach filling and prevents back flow into esophagus
Vigorous muscular movement in several directions to break up solids
Lower Esophageal Sphincter
Allows the stomach to expand to hold up to 1 G of food
Controls stomach emptying into duodenum
Allow for special type of peristalsis called churning
Controls stomach filling and prevents back flow into esophagus
Vigorous muscular movement in several directions to break up solids
Where is the gallbladder ? (a)
Where is the COMMON BILE DUCT ? (a)
Where is the duodenum ? (a)
Where is the pancreatic head ? (a)
Where is the COMMON BILE DUCT ? (a)
Where is the duodenum ? (a)
Where is the pancreatic head ? (a)
Where is the pancreatic body ? (a)
Where is the pancreatic tail ? (a)
Where is the pancreatic duct ? (a)
What organ do K ducts connect to at the other end? (a)
What organ secretes (make) bile? (a)
What organ secretes bicarbonate buffer? (a)
Where do the pancreatic juices get activated? (a)
What organ secretes (make) bile? (a)
What organ secretes bicarbonate buffer? (a)
Where do the pancreatic juices get released into? (a)
Enzymes of pancreatic juice; fats and carbs
Lipase ; amylase
Digestive action; mouth and stomach
Fats ; carbohydrates
Enzymes of pancreatic juice; proteins
Trypsin, chymotrypsinogen, carboxypeptidase
Digestive action; begin in stomach and ends in the small intestine
Proteins, nucleic acids
Which of these is NOT stored by the liver? (a)
Which of these does the liver help to regulate? (a)
Which substance(s) does the hepatic portal vein bring to the liver.
Urea from the kidneys
Blood from the aorta
Blood containing nutrients from the alimentary canal.
None
Which vessel brings nutrient-rich, oxygen-poor blood from the small intestines to the liver? (a)
Within the liver, into what structure does the hepatic portal vein subdivide? (a)
Which blood vessel carries deoxygenated blood away from the liver? (a)
Which blood vessel carries oxygenated blood to the liver? (a)
Which blood vessel does the hepatic vein lead into? (a)
Why is the hepatic portal vein so important?
It carries deoxygenated blood to the liver
It supplies the liver with glucose for aerobic respiration
It allows the liver to control the levels of nutrients before they are returned to the blood
It takes broken down toxins away from the liver
Which of the following are roles of the hepatic portal vein?
I. it carries deoxygenated blood
II. it helps maintain the osmotic potential of blood
III. it takes blood from the heart to the liver (a)
If the blood glucose level is too high, how will the liver respond?
it will produce insulin and convert glucose to glycogen
it will produce glucagon and convert glycogen to glucose
it will convert glucose to glycogen and store this in hepatocytes
it will convert glycogen to glucose and release this into the blood
The beginning section of the small intestine that attaches to the stomach. (a)
What is the name of the blood vessel located in the middle of the liver lobule? (a)
What is the name of the cells located in the liver? (a)
Which of the following is NOT a function of the liver? (a)
What is C? (a)
What is F? (a)
Portal vein carries oxygen (a) and nutrient (b) blood.
What is the function of bile? (a)
What is the name of the duct that connects the common hepatic duct to the gallbladder? (a)
The name of the hormone that increases the amount of sugar in the blood is called (a)
What parts of the digestive system are shown in this picture?
Liver
Stomach
Gallbladder
Pancreas
Duodenum
Hepatocytes secrete – (a)
(a) is NOT found in pancreatic secretions.
