A&P I Chapter 4&5
Which of the following would be of most importance to goblet cells and other glandular epithelium?
Pseudostratified columnar epithelium ciliated variety ________.
lines most of the respiratory tract
Which of the following is a single-celled layer of epithelium that forms the lining of serous membranes?
Inability to absorb digested nutrients and secrete mucus might indicate a disorder in which tissue?
________ epithelium appears to have two or three layers of cells, but all the cells are in contact with the basement membrane.
Which of the following is not a step in tissue repair?
Formation of new stem cells
The first step in tissue repair involves ________.
Nervous tissue consists mainly of neurons and collagen fibers
Intercalated discs and striations are found in skeletal muscle.
Smooth muscle cells possess central nuclei but lack striations.
Blood is considered a type of connective tissue
Functions of connective tissues include binding, support, insulation, and protection.
Cartilage has good regenerative capacity, while most epithelial tissues do not
The basic difference between dense irregular and dense regular connective tissues is in the amount of elastic fibers and adipose cells present
Cartilage tends to calcify during later life.
The shock-absorbing pads between the vertebrae are formed of fibrocartilage.
Select the correct statement regarding adipose tissue.
Its primary function is nutrient storage.
What are the three main components of connective tissue?
ground substance, fibers, and cells
within the cartilage divide and secrete new matrix
Cell type not found in areolar connective tissue.
How is hyaline cartilage different from elastic or fibrocartilage?
Fibers are not normally visible.
Squamous cells are flattened and scalelike when mature.
Endocrine glands are often called ducted glands.
Epithelial tissues always exhibit apica-basal polarity; meaning that cell regions near the apical surface differ from those near the basal surface
Select the correct statement regarding epithelia
Stratified squamous epithelia are present where protection from abrasion is important.
Which of the following is true about the mode of secretion of exocrine glands?
Merocrine glands are not altered by the secretory process.
A needle would pierce the epidermal layers of the forearm in which order?
corneum, granulosum, spinosum, basale
Which of the following cutaneous receptors is specialized for the reception of touch or light pressure?
The epidermis consists of five layers of cells, each layer with a distinct role to play in the health, well-being, and functioning of the skin. Which of the following layers is responsible for cell division and replacement?
The papillary layer of the dermis is connective tissue heavily invested with blood vessels. The superficial surface has structures called:
The dermis is a strong, flexible connective tissue layer. Which of the following cell types are likely to be found in the dermis?
fibroblasts, macrophages, and mast cells
Skin surface markings that reflect points of tight dermal attachment to underlying tissues are called epidermal ridges
The protein found in large amounts in the outermost layer of epidermal cells is collagen.
Regardless of race, all human beings have about the same number of melanocytes.
The major regions of a hair shaft include all of the following except ________.
external root sheath
What is the most important role of the arrector pili muscles in humans?
Force sebum out of the hair follicle to the skin surface
What are the most important factors influencing hair growth?
nutrition and hormones
The sebaceous glands are simple alveolar glands that secrete a substance known as sebum. The secretion of sebum is stimulated ________.
by hormones, especially androgens
The apocrine sweat glands are fairly unimportant in thermoregulation.
The outermost sheath of a hair follicle is the connective tissue sheath.
When a patient is said to have "third-degree burns," this indicates that the patient has burns that cover approximately one-third or more of the body.
The most dangerous skin cancer is cancer of the melanocytes
Which type of skin cancer appears as a scaly reddened papule and tends to grow rapidly and metastasize?
Squamous cell carcinoma
Although the integument is a covering, it is by no means simple, and some of its functions include ________
resident macrophage-like cells whose function is to ingest antigenic invaders and present them to the immune system
Hair growth and density are influenced by hormones, nutrition, and, in some cases, lifestyle.
Sweat glands continuously produce small amounts of sweat, even in cooler temperatures.
The reason that the nail bed appears pink is the presence of a large number of melanocytes in the underlying dermis.
The function of the root hair plexus is to ________.
allow the hair to assist in touch sensation