Bio 201 Lecture Exam 2 ACTUAL
UPDATED Exam Questions and CORRECT
Answers
Why do stratified squamous cells begin to die (apoptosis) as they move towards the apical
surface of the skin? - CORRECT ANSWER - they are moving away from the nourishment
(vascular layer)
____________cells (also called Langerhans cells) are a type of macrophage found in the
epidermis. The are a key activator of the immune system. - CORRECT ANSWER -
dendritic
Cartilage is avascular - CORRECT ANSWER - true
Fingerprints are unique to each person and are formed by which of the following: - CORRECT
ANSWER - friction ridges, dermal ridges
The skin is made up of which of the following: - CORRECT ANSWER - epidermis,
dermis
Which of these secretes sebum (they are also called oil glands)? - CORRECT ANSWER -
sebaceous glands
Which type of epithelial tissue would be the best suited for an area that receives friction? -
CORRECT ANSWER - stratified squamous
The ________ secrete oil and are associated with acne. - CORRECT ANSWER -
sebaceous gland
, Which of the following tissues arises from the embryonic endoderm? - CORRECT
ANSWER - epithelial
Of the following muscle tissues, which are involuntary? - CORRECT ANSWER - cardiac
and smooth
The Rule of _______ is used to evaluate burns. - CORRECT ANSWER - 9s
Which of these is the immature cell of bone? - CORRECT ANSWER - osteoblasts
Which of these skin layers is found only in thick skin? - CORRECT ANSWER - stratum
lucidum
All humans have approximately the same number of melanocytes. - CORRECT
ANSWER - true
This type of gland releases secretions into DUCTS in particular areas of the body only: -
CORRECT ANSWER - exocrine
Which type of epithelial tissue would you be most likely to find lining the upper respiratory
tract/trachea? - CORRECT ANSWER - pseudostratified ciliated columnar epithelium
In this epithelial tissue, the cells appear stratified, but they are actually all attached to the
basement membrane. - CORRECT ANSWER - pseudostratified columnar epithelium
What is the primary purpose of microvilli? - CORRECT ANSWER - increase surface area
for absorption
Which of the following tissues arises from the embryonic ectoderm? - CORRECT
ANSWER - nervous, epithelial
UPDATED Exam Questions and CORRECT
Answers
Why do stratified squamous cells begin to die (apoptosis) as they move towards the apical
surface of the skin? - CORRECT ANSWER - they are moving away from the nourishment
(vascular layer)
____________cells (also called Langerhans cells) are a type of macrophage found in the
epidermis. The are a key activator of the immune system. - CORRECT ANSWER -
dendritic
Cartilage is avascular - CORRECT ANSWER - true
Fingerprints are unique to each person and are formed by which of the following: - CORRECT
ANSWER - friction ridges, dermal ridges
The skin is made up of which of the following: - CORRECT ANSWER - epidermis,
dermis
Which of these secretes sebum (they are also called oil glands)? - CORRECT ANSWER -
sebaceous glands
Which type of epithelial tissue would be the best suited for an area that receives friction? -
CORRECT ANSWER - stratified squamous
The ________ secrete oil and are associated with acne. - CORRECT ANSWER -
sebaceous gland
, Which of the following tissues arises from the embryonic endoderm? - CORRECT
ANSWER - epithelial
Of the following muscle tissues, which are involuntary? - CORRECT ANSWER - cardiac
and smooth
The Rule of _______ is used to evaluate burns. - CORRECT ANSWER - 9s
Which of these is the immature cell of bone? - CORRECT ANSWER - osteoblasts
Which of these skin layers is found only in thick skin? - CORRECT ANSWER - stratum
lucidum
All humans have approximately the same number of melanocytes. - CORRECT
ANSWER - true
This type of gland releases secretions into DUCTS in particular areas of the body only: -
CORRECT ANSWER - exocrine
Which type of epithelial tissue would you be most likely to find lining the upper respiratory
tract/trachea? - CORRECT ANSWER - pseudostratified ciliated columnar epithelium
In this epithelial tissue, the cells appear stratified, but they are actually all attached to the
basement membrane. - CORRECT ANSWER - pseudostratified columnar epithelium
What is the primary purpose of microvilli? - CORRECT ANSWER - increase surface area
for absorption
Which of the following tissues arises from the embryonic ectoderm? - CORRECT
ANSWER - nervous, epithelial
