Bio 168 EXAM 2 Exam comprehensive questions and verified
answers ACTUAL EXAM 2026 TEST!! Graded A+
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
B) the subcutaneous layer
C) the hypodermal layer
D) the papillary layer
A
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.
C) The blood vessels in the dermis rupture and the blood passes through
the tissue, causing permanent "black-and-blue marks."
D) The stretching causes the tension lines to disappear.
B
,Which of the following statements indicates the way in which the body's natural
defenses protect the skin from the effects of UV damage?
A) The skin is protected by the synthesis of three pigments that contribute to
the skin's color.
B) Carotene, which accumulates in the stratum corneum and the hypodermal
adipose tissue, is synthesized in large amounts in the presence of sunlight.
C) The skin is protected by increasing the number of epidermal dendritic cells,
which help the activate the immune system
D) prolonged exposure to the sun induces melanin dispersion, which in turn
acts as a natural sunscreen.
D
Changes in the color of skin are often an indication of a homeostatic
imbalance. Which of the following changes would suggest that a patient is
suffering from Addison's disease?
A) The skin takes on a bronze or metallic appearance
B) Black-and-blue marks become evident for no apparent cause
C) The skin appears to have an abnormal, yellowish tint
D) It is impossible to suggest Addison's disease from an inspection of a person's
skin.
A
A dendritic or Langerhan cell is a specialized
A) squamous epithelial cell
B) Phagocytic cell
C) nerve cell
D) melanocyte
B
, What are the most important factors influencing hair growth?
A) sex and hormones
B) age and glandular products
C) the size and number of hair follicles
D) nutrition and hormones
D
Sudoriferous (sweat) glands are categorized as two distinct types. Which of
the following are the two types of sweat glands?
A) sebaceous and merocrine
B) mammary and ceruminous
C) eccrine and apocrine
D) holocrine and mammary
C
The composition of the secretions of the eccrine glands is _.
A) primarily uric acid
B) 99% water, sodium chloride, trace amounts of wastes, and vitamin C
C) fatty substances, proteins, antibodies, and trace amounts of minerals and
vitamins
D) metabolic wastes
B
answers ACTUAL EXAM 2026 TEST!! Graded A+
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
B) the subcutaneous layer
C) the hypodermal layer
D) the papillary layer
A
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.
C) The blood vessels in the dermis rupture and the blood passes through
the tissue, causing permanent "black-and-blue marks."
D) The stretching causes the tension lines to disappear.
B
,Which of the following statements indicates the way in which the body's natural
defenses protect the skin from the effects of UV damage?
A) The skin is protected by the synthesis of three pigments that contribute to
the skin's color.
B) Carotene, which accumulates in the stratum corneum and the hypodermal
adipose tissue, is synthesized in large amounts in the presence of sunlight.
C) The skin is protected by increasing the number of epidermal dendritic cells,
which help the activate the immune system
D) prolonged exposure to the sun induces melanin dispersion, which in turn
acts as a natural sunscreen.
D
Changes in the color of skin are often an indication of a homeostatic
imbalance. Which of the following changes would suggest that a patient is
suffering from Addison's disease?
A) The skin takes on a bronze or metallic appearance
B) Black-and-blue marks become evident for no apparent cause
C) The skin appears to have an abnormal, yellowish tint
D) It is impossible to suggest Addison's disease from an inspection of a person's
skin.
A
A dendritic or Langerhan cell is a specialized
A) squamous epithelial cell
B) Phagocytic cell
C) nerve cell
D) melanocyte
B
, What are the most important factors influencing hair growth?
A) sex and hormones
B) age and glandular products
C) the size and number of hair follicles
D) nutrition and hormones
D
Sudoriferous (sweat) glands are categorized as two distinct types. Which of
the following are the two types of sweat glands?
A) sebaceous and merocrine
B) mammary and ceruminous
C) eccrine and apocrine
D) holocrine and mammary
C
The composition of the secretions of the eccrine glands is _.
A) primarily uric acid
B) 99% water, sodium chloride, trace amounts of wastes, and vitamin C
C) fatty substances, proteins, antibodies, and trace amounts of minerals and
vitamins
D) metabolic wastes
B
