Bio 168 Exam 2 Questions and Correct
Answers| Latest Update
Select the most correct statement concerning skin cancer.
A) Most tumors that arise on the skin are malignant.
B) Squamous cell carcinomas arise from the stratum corneum.
C) Basal cell carcinomas are the least common but most malignant.
D) Melanomas are rare but must be removed quickly to prevent them from
metastasizing.
D
The single most important risk for skin cancer is ______.
A) race
B) genetics
C) use of farm chemicals
D) overexposure to UV radiation
D
Which of the following is a skin sensory receptor for touch?
,A) Pacinian corpuscle
B) Tactile Corpuscle
C) Ruffini body
D) free nerve ending
B
Which glands produce ear wax?
A) merocrine glands
B) apocrine glands
C) ceruminous glands
D) eccrine glands
C
Which type of skin cancer appears as a scaly reddened papule and tends to grow
rapidly and metastasize?
A) melanoma
B) squamous cell carcinoma
C) basal cell carcinoma
D) adenoma
B
, Melanocytes and keratinocytes work together in protecting the skin from UV
damage when Keratinocytes_____________.
A) provide the melanocyte with nutrients necessary for melanin synthesis
B) accumulate the melanin granules on their superficial portion, forming a UV-
blocking pigment layer
C) maintain the appropriate pH in order for the melanocyte to synthesize melanin
granules
D) maintain the appropriate temperature so the product of the melanocyte will
not denature
B
The dermis is a strong, flexible connective tissue layer. Which of the following cell
types are likely to be found in the dermis?
A) goblet cells, parietal cells, and chondrocytes
B) monocytes, reticulocytes, and osteocytes
C) fibroblasts, macrophages, and mast cells
D) osteoblasts, osteoclasts, and epithelial cells
C
The dermis has two major layers. Which layer constitutes 80% of the dermis and is
responsible for the tension lines in the skin?
A) The reticular layer
Answers| Latest Update
Select the most correct statement concerning skin cancer.
A) Most tumors that arise on the skin are malignant.
B) Squamous cell carcinomas arise from the stratum corneum.
C) Basal cell carcinomas are the least common but most malignant.
D) Melanomas are rare but must be removed quickly to prevent them from
metastasizing.
D
The single most important risk for skin cancer is ______.
A) race
B) genetics
C) use of farm chemicals
D) overexposure to UV radiation
D
Which of the following is a skin sensory receptor for touch?
,A) Pacinian corpuscle
B) Tactile Corpuscle
C) Ruffini body
D) free nerve ending
B
Which glands produce ear wax?
A) merocrine glands
B) apocrine glands
C) ceruminous glands
D) eccrine glands
C
Which type of skin cancer appears as a scaly reddened papule and tends to grow
rapidly and metastasize?
A) melanoma
B) squamous cell carcinoma
C) basal cell carcinoma
D) adenoma
B
, Melanocytes and keratinocytes work together in protecting the skin from UV
damage when Keratinocytes_____________.
A) provide the melanocyte with nutrients necessary for melanin synthesis
B) accumulate the melanin granules on their superficial portion, forming a UV-
blocking pigment layer
C) maintain the appropriate pH in order for the melanocyte to synthesize melanin
granules
D) maintain the appropriate temperature so the product of the melanocyte will
not denature
B
The dermis is a strong, flexible connective tissue layer. Which of the following cell
types are likely to be found in the dermis?
A) goblet cells, parietal cells, and chondrocytes
B) monocytes, reticulocytes, and osteocytes
C) fibroblasts, macrophages, and mast cells
D) osteoblasts, osteoclasts, and epithelial cells
C
The dermis has two major layers. Which layer constitutes 80% of the dermis and is
responsible for the tension lines in the skin?
A) The reticular layer
