Iclicker questions: Exam 1
2. Which statement best describes connective tissue? A) usually contains a large amount of matrix B) typically arranged in a single layer of cells C) primarily concerned with secretion D) usually lines a body cavity
A) Usually contains a large amount of matrix
2. Which of the following statements best describes the metabolic function of the skin? A) When exposed to proper amounts of sunlight, the epidermis will prevent bone from being broken down in large amounts. B) The dry quality of skin is not an ideal condition for bacterial populations to grow and reproduce. C) Sweat glands produce sweat with salt, which prevents a build-up of salts in the body. D) Skin has a large amount of adipose tissue, which can be used to protect internal body organs from physical trauma.
A) When exposed to proper amounts of sunlight, the epidermis will prevent bone from being broken down in large amounts.
3. The reason that intervertebral discs exhibit a large amount of tensile strength, which allows them to absorb shock, is because they possess ________. A) hydroxyapatite crystals B) collagen fibers C) reticular fibers D) elastic fibers
B) Collagen fibers
Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as______? A) exocrine B) endocrine C) sebaceous D) Ceruminous
B) Endocrine
2. Select the statement concerning integument or its appendages that is false. A) Hemoglobin provides a pink/red skin tone due to oxygenated red blood cells. B) The dermal papilla of the reticular dermis create friction ridges (i.e., finger prints) C) Nails are the most heavily keratinized structure associated with the skin. D) The keratinocytes found in the stratum corneum and stratum lucidum are dead.
B) The dermal papilla of the reticular dermis create friction ridges (i.e., finger prints)
Which of the following statements concerning sweat glands or sebaceous glands is most accurate? A) All sweat glands release sweat to the skin surface via the hair follicle. B) When lying, a person will begin sweating from the top of the head and the forehead. C) Apocrine sweat glands are more limited in location compared to eccrine sweat glands. D) Sebaceous glands are most often found on the face, chest, hands, and feet.
C) Apocrine sweat glands are more limited in location compared to eccrine sweat glands.
Which of the following statements is true of connective tissue? A) Elastin fibers are sometimes called white fibers. B) When connective tissue is stretched, collagen gives it the ability to snap back. C) Collagen fibers provides high tensile strength. D) Reticular fibers form thick, ropelike structures
C) Collagen fibers provide high tensile strength
1. Mesenchymal cells are most commonly found in ________ connective tissue. A) areolar B) dense regular C) embryonic D) reticular
C) Embryonic
. Select the statement below concerning the integument that is true. A) Flexure lines that make up part of the dermis are important for surgical procedures. B) Defensive cells are found only in the dermis of the integument. C) The stem cells in the stratum basale require a chemical message in order to divide mitotically. D) The stratum granulosum is the only part of the integument that gives skin its "dry" or "waterproof" qualities.
C) The stem cells in the stratum basale require a cheical message in order to divide mitotically.
Select the correct statement regarding the stem cells of connective tissue. A) Connective tissue does not contain cells. B) Connective tissue cells are nondividing. C) Chondroblasts are the main cell type of connective tissue proper. D) "Blast" cells are undifferentiated, actively dividing cells.
D) "Blast" cells are undifferentiated, actively dividing cells.
Which cell type or structure typical of the integument would play no role with sensation? A) Merkel cells B) Free nerve endings C) Hair D) Langerhans cells
D) Langerhans Cells
3. Which layer of epidermis is missing in thin skin? A) Basale B) Granulosum C) Corneum D) Lucidum
D) Lucidum