BIO 168 EXAM 2 EXAM WITH CORRECT
QUESTIONS AND ANSWERS 2025
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. -
CORRECT-ANSWERSD
The single most important risk for skin cancer is ______.
A) race
B) genetics
C) use of farm chemicals
D) overexposure to UV radiation - CORRECT-ANSWERSD
Which of the following is a skin sensory receptor for touch?
A) Pacinian corpuscule
B) Tactile Corpuscle
C) Ruffini body
,D) free nerve ending - CORRECT-ANSWERSB
Which glands produce ear wax?
A) merocrine glands
B) apocrine glands
C) ceruminous glands
D) eccrine glands - CORRECT-ANSWERSC
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 - CORRECT-ANSWERSB
Melanocytes and keratinocytes work together in protecting the skin from UV damage when
Keritonocytes _____________.
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 -
CORRECT-ANSWERSB
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 - CORRECT-ANSWERSC
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
B) the subcutaneous layer
C) the hypodermal layer
D) the papillary layer - CORRECT-ANSWERSA
Despite its apparent durability, the dermis is subject to tearing. How might a person know that
the dermis has been previously stretched and / or torn?
A) There is an episode of acute pain due to the large number of tactile corpuscules.
B) the appearance of visible, silvery-white scars is an indication of stretching of the dermis.
QUESTIONS AND ANSWERS 2025
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. -
CORRECT-ANSWERSD
The single most important risk for skin cancer is ______.
A) race
B) genetics
C) use of farm chemicals
D) overexposure to UV radiation - CORRECT-ANSWERSD
Which of the following is a skin sensory receptor for touch?
A) Pacinian corpuscule
B) Tactile Corpuscle
C) Ruffini body
,D) free nerve ending - CORRECT-ANSWERSB
Which glands produce ear wax?
A) merocrine glands
B) apocrine glands
C) ceruminous glands
D) eccrine glands - CORRECT-ANSWERSC
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 - CORRECT-ANSWERSB
Melanocytes and keratinocytes work together in protecting the skin from UV damage when
Keritonocytes _____________.
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 -
CORRECT-ANSWERSB
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 - CORRECT-ANSWERSC
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
B) the subcutaneous layer
C) the hypodermal layer
D) the papillary layer - CORRECT-ANSWERSA
Despite its apparent durability, the dermis is subject to tearing. How might a person know that
the dermis has been previously stretched and / or torn?
A) There is an episode of acute pain due to the large number of tactile corpuscules.
B) the appearance of visible, silvery-white scars is an indication of stretching of the dermis.
