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Rat Practical Review

Total questions: 37

Worksheet time: 19mins

Name
Class
Date
1.

Name the region

a)

Anterior

b)

Posterior

c)

Ventral

d)

Dorsal

2.

Name the region

a)

Anterior

b)

Posterior

c)

Ventral

d)

Dorsal

3.

What is the tubular structure shown and what is the connective tissue that prevents the structure from collapsing?

a)

Trachea; Mesentary

b)

Trachea; Cartilage rings

c)

Esophagus; Mesentary

d)

Esophagus; Cartilage rings

4.

Name the respiratory organ(s) that surround the heart

a)

Lungs

b)

Small intestine

c)

Stomach

d)

Pancreas

5.

What structures are responsible for gas exchange?

a)

Alveoli

b)

Esophagus

c)

Spleen

d)

Liver

6.

What interaction occurs between the respiratory & circulatory systems at the alveoli?

a)

photosynthesis

b)

reproduction

c)

gas exchange

d)

pump blood to entire body

7.

Which network of blood vessels surround the alveoli & allow the interaction of gas exchange to occur?

a)

Arteries

b)

Veins

c)

Capillaries

8.

How many chambers are in a mammalian heart?

a)

1

b)

2

c)

3

d)

4

9.

Which chamber of the heart is the strongest?

a)

Right Ventricle

b)

Right Atrium

c)

Left Ventricle

d)

Left Atrium

10.

Why has the left chamber evolved to be the strongest chamber of the heart?

a)

It pumps blood to entire body

b)

So much love <3

c)

It stores a lot of blood in the ventricle wall

d)

It takes more breaks than the other chambers

11.

What 2 body systems interact together and are located within the thoracic cavity?

a)

Circulatory and Digestive

b)

Circulatory and Excretory

c)

Circulatory and Respiratory

d)

Circulatory and Reproductive

12.

In what cavity are the liver, stomach, kidneys and intestines located in?

a)

Abdominal Cavity

b)

Thoracic Cavity

c)

Cranial Cavity

d)

Pelvic Cavity

13.

Enzymes breaking down food is an example of which type of digestion?

a)

Mechanical digestion

b)

Chemical digestion

14.

Identify the organ identified in this picture (hint: there are NO cartilage rings on it)

a)

Trachea

b)

Esophagus

15.

Name the muscular contraction that moves food through the entirety of the digestive system.

a)

Peristalsis

b)

Flexing

c)

Dilation

d)

Do you even lift?

16.

Name the muscle that separates the thoracic cavity from the abdominal cavity

a)

Stomach

b)

Lung

c)

Heart

d)

Diaphragm

17.

In which organ does the most nutrient absorption take place?

a)

stomach

b)

small intestine

c)

large intestine

d)

liver

18.

Identify this thin, transparent membrane that keeps the small intestine coiled in place.

a)

Capillaries

b)

Placental sac

c)

Mesentary

d)

Diaphragm

19.

What is the dense network of finger-like projects responsible for the absorption of glucose and amino acids called?

a)

Mesentary

b)

Villi

c)

Alveoli

d)

Cartilage rings

20.

Villi help to increase the surface area of organs in order to obtain MORE NUTRIENT ABSORPTION. In what organ will you find villi?

a)

Large intestine

b)

Small intestine

c)

Stomach

d)

Esophagus

21.

What does the large intestine absorb?

a)

Sunlight

b)

Nutrients

c)

Water

d)

Knowledge

22.

What portion of the large intestine is responsible for storing solid waste until it is removed from the body?

a)

Anus

b)

Rectum

c)

Urinary Bladder

d)

Gall Bladder

23.

Name the organ that has 4 lobes and is the largest visible organ

a)

Heart

b)

Liver

c)

Lung

d)

Large intestine

24.

What is the fluid called that is secreted by the liver? (hint: it aids in the digestion of fats)

a)

insulin

b)

glucagon

c)

water

d)

bile

25.

Which organ is responsible for storing bile? (Rats do not have this organ but most mammals do)

a)

gall bladder

b)

rectum

c)

urinary bladder

d)

heart

26.

Which organ secretes glucagon and insulin to help regulate sugar levels in the blood stream?

a)

Spleen

b)

Gall Bladder

c)

Liver

d)

Pancreas

27.

Identify this organ that sits in the upper part of the abdomen and next to the stomach.

a)

Liver

b)

Stomach

c)

Kidney

d)

Spleen

28.

What is the function of the spleen?

a)

Destroy red blood cells

b)

Regulate blood sugar

c)

Oxygenate the blood

d)

Produce red blood cells

29.

Identify the yellow structures

a)

Urinary Bladder

b)

Ovaries

c)

Testies

d)

Kidneys

30.

Identify the yellow structure

a)

Testis

b)

Ovaries

c)

Uterine Horn

d)

Kidneys

31.

What structure temporarily stores urine prior to being expelled from the body through the urethra?

a)

Kidneys

b)

Gall Bladder

c)

Rectum

d)

Urinary Bladder

32.

What is the function of the uterine horn?

a)

Holds developing fetus

b)

Store urine

c)

Nutrient absorption

d)

Maximum sperm production

33.

What is the purpose of mammary glands?

a)

Maximum sperm production

b)

Nourishment for offspring

c)

Destroys red blood cells

d)

Gas exchange

34.

What structure attaches the fetus to the placenta?

a)

Umbilical cord

b)

Uterine horn

c)

Placenta

d)

Mammary glands

35.

What structure is responsible for gas exchange and the diffusion of nutrients between fetus and mother?

a)

Placenta

b)

Umbilical cord

c)

Uterine horn

36.

What is the only artery that carries deoxygenated blood?

a)

Aorta

b)

Capillaries

c)

Pulmonary artery

d)

none

37.

What type of vessels carry blood from the body back to the heart?

a)

Veins

b)

Arteries

c)

Capillaries

d)

none