5.1 The Study of Tissues

1			How many different types of cells exist within the human body?
			A)	50
			B)	100
			C)	150
			D)	200
2			Mesoderm differentiates directly into which of the following types of embryonic tissue?
			A)	bone
			B)	immature muscle
			C)	mesenchyme
			D)	cartilage
3			This tissue type has a mesodermal origin.
			A)	glands in the digestive tract
			B)	squamous epithelium
			C)	neurons
			D)	columnar epithelium
			E)	skeletal muscle
4			Primitive connective tissue is termed
			A)	mesenchyme.
			B)	mesoderm.
			C)	ectoderm.
			D)	matrix.
			E)	endoderm.

5.2 Epithelial Tissue

5			The material that lies between an epithelium and its underlying connective tissue is called
			A)	matrix.
			B)	basement membrane.
			C)	collagen layer.
			D)	mucous membrane.
			E)	endothelium.
6			Transitional epithelium is found in the
			A)	integument.
			B)	ovarian follicles.
			C)	urinary tract.
			D)	sweat gland ducts.
			E)	palms of the hands.
7			The simple squamous epithelium lining the circulatory system is called
			A)	mesothelium.
			B)	endothelium.
			C)	transitional epithelium.
			D)	keratinized epithelium.
8			These cells are named pseudostratified because
			A)	they are layered.
			B)	they appear to be layered, but in fact are not.
			C)	they change shape from cuboidal to squamous as they approach the basal surface.
			D)	they have cilia.

5.3 Connective Tissue

9			Which of the following substances are secreted by plasma cells?
			A)	collagen fibers
			B)	heparin
			C)	antibodies
			D)	histamine
10			Collagen fibers are found in all of the following locations except
			A)	tendons.
			B)	transitional epithelium.
			C)	bone.
			D)	cartilage.
11			From the contents of this tissue, one can produce a great amount of ATP.
			A)	hyaline cartilage
			B)	adipose tissue
			C)	neutrophils
			D)	dense fibrous connective tissue
			E)	areolar connective tissue

5.4 Nervous and Muscular Tissues-Excitable Tissues

12			Which of the following tissue types have a membrane potential?
			A)	skeletal muscle
			B)	nervous tissue
			C)	cardiac muscle
			D)	All of the above.
13			This excitable tissue is characterized by having intercalated discs and striations.
			A)	smooth muscle
			B)	skeletal muscle
			C)	cardiac muscle
			D)	glial cells

5.5 Intercellular Junctions, Glands, and Membranes

14			Which of the following is a description of a tight junction?
			A)	"spot weld" between two cells
			B)	pattern of complementary grooves and ridges in the membranes of two adjacent cells
			C)	a water-filled channel formed by six membrane proteins connecting adjacent cells
			D)	None of the above.
15			Which type of gland has vesicles that release their secretion by exocytosis?
			A)	holocrine
			B)	apocrine
			C)	merocrine
			D)	endocrine
16			The subcutaneous oil glands in the scalp secretes in which way?
			A)	holocrine
			B)	cytocrine
			C)	eccrine
			D)	merocrine
			E)	apocrine
17			If the secretory cells of an exocrine gland form a dilated sac, the gland is called a(n) ________ gland.
			A)	compound
			B)	tubular
			C)	acinar
			D)	serous

5.6 Tissue Growth, Development, Repair, and Death

18			Cells that are undifferentiated and have not yet begun to perform specialized functions are known as
			A)	plasma cells.
			B)	stem cells.
			C)	fibroblasts.
			D)	mast cells.
19			What is formed in an immobilized person when continuous pressure on the skin cuts off the blood flow to an area?
			A)	infarction
			B)	decubitus ulcer
			C)	disuse atrophy
			D)	apoptosis
20			The replacement of damaged tissue with scar tissue is called
			A)	regeneration.
			B)	fibrosis.
			C)	necrosis.
			D)	apoptosis.