Final Exam

Question 1

Which of the following processes is the smooth muscle layer of the digestive system?

Answer 1

Mixing and propulsion

Question 2

What process is the primary function of the mouth?

Answer 2

Ingestion

Question 3

What process is the primary function of the villi of the small intestine?

Answer 3

Absorption

Question 4

What accessory organ produces a fluid to soften food?

Answer 4

Salivary glands

Question 5

What accessory organ produces a fluid that functions to emulsify dietary fats?

Answer 5

Liver

Question 6

What accessory organ stores bile?

Answer 6

Gallbladder

Question 7

The capability of the GI tract to move material along its length is called

1. Motility
2. Propulsion
3. Digestion
4. Defecation

Answer 7

Both 1 and 2

1. Motility
2. Propulsion

Question 8

What part of the GI tract is composed of areolar connective tissue containing blood and lymph vessels

Answer 8

Lamina propria

Question 9

What layer functions by secreting a lubricating fluid?

Answer 9

Serosa

Question 10

What is composed of prominent lymphatic nodules that function in the immune response?

Answer 10

MALT

Question 11

Which plexus is located between the longitudinal circular smooth muscle layers of the muscularis?

Answer 11

Menteric plexus

Question 12

Why do emotions such as anger or fear slow digestion?

Answer 12

Because they stimulate the sympathetic nerves that supply the GI tract

Question 13

Which portion of the peritoneum drapes over the transverse colon and coils of the small intestines?

Answer 13

Falciform ligament

Question 14

What is the hard palate?

1. Is the anterior portion of the roof of the mouth
2. Is formed by the maxillae and palatine bones
3. Is covered by a mucous membrane

Answer 14

All of the choices

Question 15

What is lateral to the base of the uvula in the mouth, this muscular fold runs posteriorly down the lateral sides of the soft palate to the pharynx

Answer 15

Palatopharyngeal arch

Question 16

In the mouth, the tooth sockets are lined with

Answer 16

Periodontal ligament

Question 17

Deciduous molars are replaced by

Answer 17

Bicuspids

Question 18

Which of the following contains skeletal muscle?

Answer 18

Muscularis

Question 19

How many stages of deglutition are there?

Answer 19

Three

Question 20

Which structure of the stomach allows greater distension for food storage?

Answer 20

Rugae

Question 21

Which of the following secrete hydrochloric acid?

Answer 21

Parietal Cells

Question 22

Which cell secretes the hormone that promotes production of hydrochloric acid?

Answer 22

G cell

Question 23

How long can food stay in the fundus before being mixed with gastric juices?

Answer 23

One Hour

Question 24

What is the major duct carries a fluid rich in bio-carbonate ions?

Answer 24

Pancreatic duct

Question 25

Which pancreatic enzyme digests lipids?

Answer 25

Lipase

Question 26

What is found on the liver and is a remnant of the umbilical cord in a fetus?

Answer 26

Round ligament

Question 27

What is the principle bile pigment?

Answer 27

Bilirubin

Question 28

Which of the following is not a function of the liver?

Answer 28

Storage of bilirubin

Question 29

Which of the following small intestine cells secrete lysozyme?

Answer 29

Paneth cells

Question 30

What does Brunner's glands secrete?

Answer 30

An alkaline mucus

Question 31

Which enzyme acts to produce monoglycerides as one product?

Answer 31

Lipase

Question 32

Which pancreatic enzyme acts on glycogen and starches?

Answer 32

Amylase

Question 33

What pancreatic enzyme acts on peptide bond?

Answer 33

Chymotrypsin

Question 34

Which hormone functions to counteract the effect of gastric acid in the small intestine?

Answer 34

Secretin

Question 35

What hormone is stimulated by high levels of dietary fat in the small intestine?

Answer 35

Cholecystokinin

Question 36

What digestive aid, produced by the stomach, begins digestion by denaturing proteins?

Answer 36

Hydrochloric acid

Question 37

What structure regulates the flow of material into the colon?

Answer 37

Ileocecal sphincter

Question 38

What is NOT a primary function of the large intestine?

Answer 38

Regulation of blood glucose

Question 39

When you swallow, which structures rise to close off the nasopharynx?

Answer 39

Uvula and soft palate

Question 40

How does the digestive system assist the muscular system

Answer 40

The liver converts lactic acid produced by muscles to glucose

Question 41

What are the cellular components of blood?

Answer 41

Red blood cells White blood cells Platelets

Question 42

What are red blood cells called?

Answer 42

Erythrocytes

Question 43

What are white blood cells called?

Answer 43

Leucocytes

Question 44

What are platelets called?

Answer 44

Thrombocytes

Question 45

What are the type of white blood cells?

Answer 45

- Neutrophils - Lymphocytes - Monocytes - Eosinophils - Basophils

Question 46

What is Haemopoiesis?

Answer 46

- 'haima' blood - 'poiesis' to make to make blood

Question 47

What is Haemopoiesis subdivided into?

Answer 47

- Erythropoiesis - Myelopoiesis - Granulpoiesis - Monopoiesis - Thrombopoiesis - Lymphopoiesis

Question 48

Where are the Haemopoietic sites in Embryos?

Answer 48

Site - Yolk sac

Question 49

Where are the Haemopoietic sites in Foetus?

Answer 49

Site - Liver, Spleen