2021 National FFA Veterinary Science CDE

1. Factors that contribute to stress in animals include all the following except

• Overcrowding

• Weather extremes

• Access to food at all times

• Transportation

2. The estrous cycle in cattle is described as

• Year round polyestrous

• Anestrous

• Induced ovulators

• Seasonally polyestrous

3. All the following parasites can be passed from one animal to another through fecal material except:

• Toxocara spp

• Ancylostoma spp

• Trichuris vulpis

• Dirofilarai immitis

4. When a bone is broken cleanly into two pieces it is known as a (an)

• Simple fracture

• Compound fracture

• Spiral fracture

• Comminuted fracture

5. White blood cells are known as

• Thrombocytes

• Leukocytes

• Erythrocytes

• Plasma

6. Which option is the correct order of blood flow through the heart?

• Right atrium, Right Ventricle, lungs, left atrium, left ventricle

• Left atrium, left ventricle, lungs, right atrium, right ventricle

• Left atrium, right atrium, lungs, left ventricle, right ventricle

• Right atrium, left atrium, lungs, right ventricle, left ventricle

7. Normal heart rate for a dog is

• 58-86

• 300-600

• 23-70

• 100-130

Gas exchange in the lungs occurs in the

• Alveoli

• Bronchi

• Trachea

• Bronchioles

Which species has lobulated kidneys

• Horses

• Cows

• Dogs

• Cats

10. All the following are examples of zoonotic diseases except:

• Rabies

• Ringworm

• Foot and mouth disease

• Psittacosis