CPT Poultry Anatomy & Physiology 2

Question 1

What is the normal body temperature range for a healthy adult chicken?

Accepted Answer

105–107°F (40.6–41.7°C)

Answer

98.6–100°F (37.0–37.8°C)

Answer

103–104°F (39.4–40.0°C)

Answer

108–110°F (42.2–43.3°C)

Question 2

Which hormones work together to regulate calcium mobilization and eggshell calcification in laying hens?

Accepted Answer

Parathyroid hormone (PTH) and estrogen

Answer

Insulin and glucagon

Answer

Thyroxine and calcitonin

Answer

Prolactin and progesterone

Question 3

What is the approximate resting heart rate of an adult chicken?

Accepted Answer

250–300 beats per minute

Answer

60–100 beats per minute

Answer

120–160 beats per minute

Answer

400–500 beats per minute

Question 4

What is the Harderian gland in poultry and what role does it play?

Accepted Answer

A lacrimal gland behind the eye that produces mucus and plays a role in ocular immune defense

Answer

A gland in the liver responsible for bile acid conjugation

Answer

A male reproductive gland that accessorizes sperm maturation

Answer

A gland on the tongue that secretes salivary amylase

Question 5

What is the primary function of the ceca (cecal pouches) in poultry?

Accepted Answer

Microbial fermentation of undigested fiber and water reabsorption

Answer

Enzymatic protein digestion via pepsin

Answer

Mechanical grinding of coarse feed particles

Answer

Absorption of fat-soluble vitamins A, D, E, and K

Question 6

How many air sacs does a typical healthy chicken possess?

Accepted Answer

9 air sacs

Answer

4 air sacs

Answer

6 air sacs

Answer

12 air sacs

Question 7

Which section of the avian digestive tract is responsible for the initial reception, moistening, and temporary storage of ingested feed?

Accepted Answer

Crop (ingluvies)

Answer

Proventriculus

Answer

Gizzard

Answer

Duodenum