CPG Animal Anatomy & Behavior 2 — Questions and Answers
Question 1: Which structure in a dog's eye reflects light and gives the appearance of glowing in the dark?
- Cornea
- Tapetum lucidum (Correct answer)
- Iris
- Sclera
Correct answer: Tapetum lucidum
The tapetum lucidum is a reflective layer behind the retina that enhances night vision and causes eye shine.
Question 2: What does a dog's tail held tightly tucked between its hind legs most commonly indicate?
- Excitement and readiness to play
- Fear or submission (Correct answer)
- Aggression toward another dog
- Illness or pain in the tail area
Correct answer: Fear or submission
A tucked tail is a classic fear or submissive posture in dogs, signaling they feel threatened or anxious.
Question 3: How many permanent teeth does an adult cat have?
- 28
- 30 (Correct answer)
- 42
- 26
Correct answer: 30
Adult cats have 30 permanent teeth, including incisors, canines, premolars, and molars.
Question 4: What is the primary function of a dog's dewclaw?
- Weight bearing during running
- Gripping objects when holding or climbing (Correct answer)
- Traction on slippery surfaces
- Scratching to mark territory
Correct answer: Gripping objects when holding or climbing
Dewclaws can help dogs grip objects, bones, or terrain, though in many breeds they are vestigial and may be removed.
Question 5: A cat displaying slow blinking toward a human or another cat is communicating:
- A warning to back away
- Trust and affection (Correct answer)
- Hunger
- Readiness to pounce
Correct answer: Trust and affection
Slow blinking in cats is a sign of trust and relaxed affection, often called a 'cat kiss.'
Question 6: Which layer of a dog's skin contains hair follicles, sebaceous glands, and blood vessels?
- Epidermis
- Dermis (Correct answer)
- Hypodermis
- Stratum corneum
Correct answer: Dermis
The dermis is the middle skin layer housing follicles, sebaceous glands, sweat glands, and the vascular network.
Question 7: What does 'piloerection' refer to in dogs, and what does it signal?
- Excessive shedding due to stress
- Raising of hackle fur along the back, indicating arousal or alert state (Correct answer)
- A skin condition causing fur mats
- Rapid eye movement during sleep
Correct answer: Raising of hackle fur along the back, indicating arousal or alert state
Piloerection (raised hackles) is involuntary fur standing on end along the back and shoulders, signaling arousal, fear, or excitement.
CPG Animal Anatomy & Behavior 2
Which structure in a dog's eye reflects light and gives the appearance of glowing in the dark?