4.1, 4.2, 4.3, 5.1, 5.2: Review Questions

Question 1

Collections of specialized cells and cell products that perform a relatively limited number of functions are called:
A) cellular aggregates
B) Tissues
C) Organs
D) Organ systems
E) Organisms

Answer 1

B) Tissues

Question 2

Tissue that is specialized for contraction is
A) epithelial tissue
B) muscle tissue
C) connective tissue
D) neural tissue

Answer 2

B) muscle tissue

Question 3

A type of cell junction common in cardiac and smooth muscle tissues is the
A) hemidesmosomes 
B) basal junction
C) tight junction
D) gap junction

Answer 3

D) gap junction

Question 4

The most abundant connections between cells in the superficial layers of the skin are
A) connexons
B) gap junctions
C) desmosomes
D) tight junctions

Answer 4

C) desmosomes

Question 5

\_\_\_\_\_\_\_\_\_\_ membranes have an epithelium that is stratified and supported by dense connective tissue.
A) synovial
B) serous
C) cutaneous
D) mucous

Answer 5

C) cutaneous

Question 6

Mucous secretions that coat the passageways of the digestive and respiratory tracts result from \_\_\_\_\_\_\_\_\_\_ secretion.
A) apocrine
B) merocrine
C) holocrine
D) endocrine

Answer 6

B) merocrine

Question 7

The two major components of the integumentary system are
A) the cutaneous membrane and the accessory structures
B) the epidermis and the hypodermis
C) the hair and the nails
D) the dermis and the hypodermis

Answer 7

A) the cutaneous membrane and the accessory structures

Question 8

Beginning at the basement membrane and traveling toward the free surface, the epidermis includes the following layers
A) corneum, lucidum, granulosum, spinosum, basale
B) granulosum, lucidum, spinosum, basale, corneum
C) basale, spinosum, granulosum, lucidum, corneum
D) lucidum, granulosum, spinosum, basale, corneum

Answer 8

C) basale, spinosum, granulosum, lucidum, corneum

Question 9

Each of the following is a function of the integumentary system, except:
A) protection of underlying tissue
B) excretion of salts and wastes
C) maintenance of body temperature
D) synthesis of Vitamin C
E) storage of nutrients

Answer 9

D) synthesis of Vitamin C

Question 10

Exposure of the skin to ultraviolet radiation…
A) can result in increased numbers of melanocytes forming in the skin
B) can result in decreased melanin production in melanocytes
C) can cause destruction of vitamin D3
D) can result in damage to the DNA of cells in the stratum basale
E) has no effect on the skin cells

Answer 10

D) can result in damage to the DNA of cells in the stratum basale