ANSC 2450 Anatomy and Physiology of Domestic Animals- Exam 1 Material

Which one of the cell’s organelles is the site of energy production?

mitochondria

The correct order of structural organization from simplest to highest is?

chemicals, cells tissues, organ, organ systems, organism

Within the head, rostral means?

towards the nose

Palmar orientation is best defined as?

the walking surface of the front limb

Homeostasis means ___ of relatively constant internal environment?

maintenance

1. An increase in the release of oxytocin during parturition (birth) stimulates an increase in uterine contractions. This is an example of a?

positive feedback loop

The orientation “the fetlock is proximal to the hoof’ can be defined as?

“the fetlock is closer to the body than the hoof

The orientation “the ribs are lateral to the lungs” can be defined as:

the ribs are further from the midline than the lungs

The dorsal cavity in the animal contains?

Both the cranial and spinal cavity 

What method will a somatic cell use for reproduction?

Mitosis

Epithelium that appears to consist of many layers but actually only has one layer is known as?

Pseudostratified columnar 

Tissues that produce intercellular substances( i.e. cartilage and bone), store fat, and produce various blood cells are known as?

Connective tissue

What type of epithelium is shown here?

Simple columnar 

Endocrine glands are best defined as?

Ductless glands that secrete hormones 

Adipose tissue is best defined as?

Loose connective tissue found under skin, around internal organs

Which connective tissue functions to connect bone to bone and stabilized movement of locomotion?

Ligaments

 Which class of connective tissue functions to protect the articulating surfaces of long bones?

cartilage

 Osteoblasts are specialized cells specific to what class of connective tissue?

bone

Use the diagram below to identify the terminology listed:

medial

ventral

lateral

dorsal

What component of the cell is primarily made up of a phospholipid bilayer and functions as structural support as well as a “gateway” for nutrients, hormones, chemicals, and fluid?

cell membrane

Areolar tissue is classified as?

loose CT-proper

Which of the following would best describe a sagittal plane?

a plane which divides the body left and right

Which of the following tissue types can be classified as avascular?

both epithelial and nervous

Which tissue type lacks an extracellular matrix?

epithelial

Which of the following extracellular fiber types is composed of branched collagen fibers which have a net-like structure? 

reticular

What connective tissue type forms the fibrous coverings of the kidney, testes, liver, spleen, and the joint capsule?

irregular

 An anatomical term with the prefix Myo- would be associated with what body system?

muscular

Which of the following is LEAST necessary for an animal to survive?

reproduction

Which class of tissues is MOST associated with an animal’s ability to respond to stimuli?

nervous

A feedback mechanism that down regulates or counteracts a stimulus would be best described as?

negative feedback loop

The type of membrane associated with the chest cavity, abdominal cavity, or pelvic cavity?

serous

 Which of the following is NOT a class of tissues?

membranes