ANS 435- Mammary Physiology Fall 2023 Exam Graded
A+
Mammary glands are considered to have originated as
a) gland in the immune system
b) milk-producing gland
c) sebaceous gland
d) sweat gland
e) all of the above
f) more than one, but not all
f) more than one, but not all (sebaceous and sweat)
The correlation between mammary gland weight and milk yield is
a) 0
b) not important
c) positive
d) unknown
e) negative
c) positive
The primary source of support for holding the udder of the cow in place is the
a) lateral suspensory ligament
b) median suspensory ligament
c) skin
d) all of the above are equal in support
b) median suspensory ligament
Which of the following types of tissue composes most of the lateral suspensory
ligament of the udder
a) elastic connective
b) fibrous connective
c) stratified squamous epithelial
d) skin
b) fibrous connective
Shutting off blood flow in the subcutaneous abdominal mammary vein will
a) be more detrimental in younger compared to older cows
b) gradually reduce milk yield
c) have no effect on milk yield
d) stop blood flow at the pudendal artery
e) more than one answer is correct
c) have no effect on milk yield
Alveoli in the mammary gland is of cattle is first formed during
a) puberty
b) first estrus
c) pregestational phase of the first estrus cycle
d) pregnancy
e) involution
d) pregnancy
, Serving of the roots of all the nerves supplying the mammary gland would
a) reduce sensation associated with milking
b) destroy sympathetic innervation to the mammary gland
c) eliminate neural control of vasodilation of the arterioles in the mammary gland
d) all of the above
d) all of the above
Blood flow through the mammary gland does not vary in response to any body
signals, to our knowledge
a) true
b) false
b) false
Milk flow through the streak canal
a) is 400:1
b) will be influenced by the sphincter muscle of the teat
c) is controlled by the parasympathetic innervation of the teat
d) all of the above
b) will be influenced by the sphincter muscle of the teat
How many layers of secretory epithelial cells are found in an alveolus
a) 1
b) 2
c) 3
d) 4 or more
a) 1
This structure is the site of packaging milk proteins for export from the cell
a) extracellular matrix
b) golgi appartatus
c) mitochondria
d) ribosomes
e) rough endoplasmic reticulum
b) golgi apparatus
This structure is the site of synthesis of milk proteins
a) extracellular matrix
b) golgi apparatus
c) mitochondria
d) ribosomes
e) rough endoplasmic reticulum
d) ribosomes
Cell proliferation and differentiation can both occur in the mammary gland at the
same time
a) true
b) false
a) true
This component includes the basement membrane
a) extracellular matrix
b) golgi apparatus
c) mitochondria
A+
Mammary glands are considered to have originated as
a) gland in the immune system
b) milk-producing gland
c) sebaceous gland
d) sweat gland
e) all of the above
f) more than one, but not all
f) more than one, but not all (sebaceous and sweat)
The correlation between mammary gland weight and milk yield is
a) 0
b) not important
c) positive
d) unknown
e) negative
c) positive
The primary source of support for holding the udder of the cow in place is the
a) lateral suspensory ligament
b) median suspensory ligament
c) skin
d) all of the above are equal in support
b) median suspensory ligament
Which of the following types of tissue composes most of the lateral suspensory
ligament of the udder
a) elastic connective
b) fibrous connective
c) stratified squamous epithelial
d) skin
b) fibrous connective
Shutting off blood flow in the subcutaneous abdominal mammary vein will
a) be more detrimental in younger compared to older cows
b) gradually reduce milk yield
c) have no effect on milk yield
d) stop blood flow at the pudendal artery
e) more than one answer is correct
c) have no effect on milk yield
Alveoli in the mammary gland is of cattle is first formed during
a) puberty
b) first estrus
c) pregestational phase of the first estrus cycle
d) pregnancy
e) involution
d) pregnancy
, Serving of the roots of all the nerves supplying the mammary gland would
a) reduce sensation associated with milking
b) destroy sympathetic innervation to the mammary gland
c) eliminate neural control of vasodilation of the arterioles in the mammary gland
d) all of the above
d) all of the above
Blood flow through the mammary gland does not vary in response to any body
signals, to our knowledge
a) true
b) false
b) false
Milk flow through the streak canal
a) is 400:1
b) will be influenced by the sphincter muscle of the teat
c) is controlled by the parasympathetic innervation of the teat
d) all of the above
b) will be influenced by the sphincter muscle of the teat
How many layers of secretory epithelial cells are found in an alveolus
a) 1
b) 2
c) 3
d) 4 or more
a) 1
This structure is the site of packaging milk proteins for export from the cell
a) extracellular matrix
b) golgi appartatus
c) mitochondria
d) ribosomes
e) rough endoplasmic reticulum
b) golgi apparatus
This structure is the site of synthesis of milk proteins
a) extracellular matrix
b) golgi apparatus
c) mitochondria
d) ribosomes
e) rough endoplasmic reticulum
d) ribosomes
Cell proliferation and differentiation can both occur in the mammary gland at the
same time
a) true
b) false
a) true
This component includes the basement membrane
a) extracellular matrix
b) golgi apparatus
c) mitochondria
