LABS

Question 1

How many thoracic cavities in the rat

Answer 1

3

Question 2

Where is the thymus located?

Answer 2

Above the heart

Question 3

What are the two main digestive sacks in the rat

Answer 3

Caecum and stomach

Question 4

Two main secretory glands in rat digestive system

Answer 4

Liver & pancreas

Question 5

Anterior lateral section of stomach

Answer 5

For food storage

Question 6

Stomach to duodenum

Answer 6

Pyloric sphincter

Question 7

Function of pancreas in rat

Answer 7

enzymes and endocrine glands

Question 8

Function of liver in rat

Answer 8

Produces & stores bile

Question 9

Liver receives blood from

Answer 9

hepatic vein and aorta

Question 10

What system does the spleen belong to

Answer 10

Lymphatic

Question 11

Sections of large intestine

Answer 11

Caecum, clon, rectum, anus

Question 12

Function of large intestine

Answer 12

water reabsorption

Question 13

Appearance and function of caecum

Answer 13

Flabby brown bag, bacteria acts on gut contents, breaking down cellulose

Question 14

Shape of female reproductive system in rats

Answer 14

Horns shape

Question 15

Orientation of trachea and oesophagus

Answer 15

Oesophagus is dorsal to trachea

Question 16

Which comes first, soft or hard palate?

Answer 16

Hard then soft

Question 17

Difference between glottis and epiglottis

Answer 17

Epiglottis is the cap of the glottis

Question 18

Function/location of calcarine sulcus

Answer 18

runs through primary visual cortex

Question 19

Function/location of mamillary body

Answer 19

Just dorsal of hypothalamus, reflex for smell

Question 20

Location of 3rd ventricle

Answer 20

between/inside thalamus

Question 21

Location of lateral ventricle

Answer 21

below corpus callosum

Question 22

Sub sections of colliculi, and locations

Answer 22

Inferior - Sound reflex

Superior - Sight reflex

Question 23

Sections and location of the brain stem

Answer 23

Pons, midbrain and medulla. Located below the forebrain

Question 24

Sections and location of the forebrain

Answer 24

Basically everything other than hindbrain and midbrain

Question 25

Sections and location of midbrain

Answer 25

Cerebral aqueducts, cerebral penduncles, sup/inf colliculi, substantia nigra Located above/in the top of the brainstem

Question 26

Sections and location of hindbrain

Answer 26

Pons, cerebellum, medulla, fourth ventricle, located below/around midbrain

Question 27

Function/location of cerebral aqueduct

Answer 27

Connects 3rd & 4th ventricle, runs between midbrain and colliculi

Question 28

Function/location of cerebral peduncles

Answer 28

Connects brainsem to thalamus. Anterior section of the midbrain

Question 29

All ventricles

Answer 29

Lateral ventricle, 3rd & 4th ventricles

Question 30

Location of 4th ventricle

Answer 30

From thalamus to cerebellum

Question 31

Location of 3rd ventricle

Answer 31

Between/around lobes of thalamus

Question 32

Direction of association fibres

Answer 32

Front and back, i.e. arcuate fassiculus

Question 33

Direction of projection fibres

Answer 33

Up and down, i.e. internal capsule

Question 34

Direction of commissural fibres

Answer 34

Right and left, i.e. corpus callosum

Question 35

45 degree interventricular sulcus

Answer 35

ventral view

Question 36

Vertical interventricular sulcus

Answer 36

dorsal view

Question 37

Great veins exposed

Answer 37

Dorsal view

Question 38

Vena cava of sheep heart

Answer 38

R. Ant, middle post, L. Ant

Question 39

External braching of systemic arteries

Answer 39

Brachiocephalic and aorta

Question 40

Blood vessels exposed on ventral view

Answer 40

Pulmonary trunk and aorta

Question 41

Blood vessels exposed on dorsal view

Answer 41

Vena cava & fatpads

Question 42

Aortic valve ant. or post. to pulmonary valve

Answer 42

Dorsal to pulmonary valve

Question 43

Trabeculae found...

Answer 43

In the auricles and ventricles

Question 44

What is fossa ovalis, and what is child equivalent

Answer 44

Between two atria, foramen ovale

Question 45

What is ligementum arteriosum and what is child equivalent

Answer 45

Connects elastic arteries, ductus arteriosus

Question 46

First branch of aorta

Answer 46

Coronary ostia

Question 47

Function of fossa ovale function

Answer 47

Allows blood to cross from right to left atrium in child heart

Question 48

Function of ductus arteriosus

Answer 48

connects arteries, because lungs don't work in fetus

Question 49

Why does the fossa ovale close

Answer 49

Because upon breathing, L atrial pressure exceeds right atrial pressure and forces it shut

Question 50

Why does the ductus arteriosus close (becoming ligamentum arteriosum)

Answer 50

Because smooth muscle contracts

Question 51

Function/location of cingulate gyrus

Answer 51

Above corpus callosum, fight flight information, connects to frontal lobe

Question 52

Number of coronary ostia

Answer 52

2

Question 53

Ligamentum arteriosus visible from dorsal or ventral view

Answer 53

dorsal

Question 54

What is the moderator band and where is it found?

Answer 54

Found from wall to wall of the right ventricle, muscle purkinjie fibres for conduction