Animal Anatomy Quiz
Questions: 16 · 10 minutes
1. How many cervical vertebrae are normally present in a dog?
Five
Six
Seven
Eight
2. During bronchoscopy in a cow, a bronchus is seen branching directly from the trachea before the main tracheal bifurcation. Which part of the lung does this tracheal bronchus supply?
Left cranial lung lobe
Accessory lung lobe
Right caudal lung lobe
Right cranial lung lobe
3. Which structure forms the principal muscular partition between the thoracic and abdominal cavities?
Diaphragm
Mesentery
Mediastinum
Peritoneum
4. Which structure normally receives an ovulated oocyte and transports it toward the uterus in a female mammal?
Urethra
Uterine tube
Cervix
Vagina
5. On a dog's forelimb, an injury lies between the shoulder and elbow joints. Which anatomical region is affected?
Brachium
Antebrachium
Carpus
Metacarpus
6. Which two bones form the temporomandibular joint?
Maxilla and mandible
Occipital bone and atlas
Frontal bone and zygomatic bone
Temporal bone and mandible
7. The patella is associated with which joint in a cat?
Carpus
Elbow
Hock
Stifle
8. A veterinarian describes a mass on the dorsal surface of a standing dog's trunk. Where is the mass located?
Toward the abdomen or lower surface
Toward the back or upper surface
Toward the head
Toward the tail
9. Which sequence gives the standard order of the four ruminant stomach compartments from the main fermentation chamber to the glandular stomach?
Reticulum, rumen, abomasum, omasum
Omasum, reticulum, rumen, abomasum
Rumen, reticulum, omasum, abomasum
Rumen, omasum, reticulum, abomasum
10. In the horse, the large weight-bearing digit enclosed within the hoof is homologous to which numbered digit?
Digit IV
Digit I
Digit II
Digit III
11. Compared with mammalian lungs, what is the main respiratory role of a bird's air sacs?
They reduce body density but have little role in breathing
They are the primary sites where oxygen enters the blood
They act as bellows that move air through the relatively rigid lungs
They filter inhaled particles before air reaches the trachea
12. Blood leaving the right ventricle on its way to the lungs first enters which vessel?
Aorta
Pulmonary trunk
Cranial vena cava
Pulmonary veins
13. A dog has difficulty extending the hock after a tendon attached to the calcaneal tuber is injured. Which structure is most directly implicated?
Common calcaneal tendon
Patellar ligament
Biceps brachii tendon
Common digital extensor tendon
14. After filtrate enters the nephron, which sequence correctly traces its flow before it reaches a collecting duct?
Distal convoluted tubule, nephron loop, proximal convoluted tubule, glomerular capsule
Glomerular capsule, proximal convoluted tubule, nephron loop, distal convoluted tubule
Proximal convoluted tubule, glomerular capsule, distal convoluted tubule, nephron loop
Glomerular capsule, nephron loop, proximal convoluted tubule, distal convoluted tubule
15. What is the contractile unit of striated muscle extending from one Z disc to the next?
Fascicle
Myofibril
Sarcomere
Motor unit
16. For a routine midline abdominal approach in a dog, a surgeon commonly incises which structure because it is a strong, relatively avascular fibrous seam?
Linea alba
External abdominal oblique muscle belly
Costal arch
Rectus abdominis muscle belly