Human Biology Concepts and Current Issues

Michael D. Johnson

Chapter 4

From Cells to Organ Systems - all with Video Answers

Educators

Chapter Questions

Problem 1

Collagen and elastin fibers are typically found in:
a. connective tissue
b. epithelial tissue
c. intercellular junctions
d. muscle tissue
e. the epidermis

Joanna Quigley

Joanna Quigley

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Problem 2

Cells in cardiac muscle are able to contract in a coordinated fashion because of communication made possible through:
a. gap junctions
b. spot desmosomes
c. adhesion junctions
e. synapses
d. tight junctions

Joanna Quigley

Numerade Educator

Problem 3

Which of the following membranes is not composed of cells?
a. serous membrane
b. synovial membrane
c. cutaneous membrane
d. basement membrane
e. mucous membrane

Joanna Quigley

Numerade Educator

Problem 4

Goblet cells secrete _________.
a. dermicidin
b. oily fluids
c. waste substances
d. mucus
e. melanin

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Numerade Educator

Problem 5

The thoracic cavity is located ________ to the abdominal cavity.
a. proximal
b. superior
c. inferior
d. ventral
e. distal

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Problem 6

What property do all muscle tissues have in common?
a. composed of collagen and elastin filaments
b. under conscious control
c. ability to form a communication network
d. ability to contract
e. cells are joined by tight junctions

Joanna Quigley

Numerade Educator

Problem 7

Injury to bone heals more quickly than injury to cartilage because
a. bone marrow contains stem cells
b. chondroblasts are only present during prenatal development
c. the polysaccharides in cartilage ground substance can't be replaced
d. there is a richer blood supply to bone
e. bone has a higher mineral content

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Problem 8

The epidermis is mostly composed of __________.
a. adipocytes
b. cuboidal cells
c. melanocytes
d. fibroblasts
e. keratinocytes

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Numerade Educator

Problem 9

Which of the following is responsible for skin pigmentation?
a. melanin
b. keratin
c. collagen
d. sebum
e. dermicidin

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Numerade Educator

Problem 10

Regarding connective tissue, which of the following statements is false?
a. It is mostly formed by tightly connected fibroblasts.
b. Its strength is determined by the matrix.
c. Some specialized cells produce histamine.
d. It offers support to the softer organs of the body.
e. Cartilage is rich in collagen fibers and water.

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Numerade Educator

Problem 11

The presence of a full bladder triggers the bladder to contract. As a little urine is released, this causes more contractions, which will completely empty the bladder. This is an example of:
a. homeostatic regulation
d. positive feedback
b. uroregulation
e. reverse feedback
c. negative feedback

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Numerade Educator

Problem 12

Which type of tissue stores triglycerides?
a. muscle tissue
b. loose connective tissue
c. fibrous connective tissue
d. columnar epithelial tissue
e. adipose tissue

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Numerade Educator

Problem 13

A substantial amount of nonliving extracellular material, also known as the matrix, characterizes all:
a. muscle tissue
d. nervous tissue
b. epithelial tissue
e. membranes
c. connective tissue

Joanna Quigley

Numerade Educator

Problem 14

Cells get nutrients from the _______ and deposit toxic wastes into them.
a. basal cells
b. blood vessels
c. interstitial fluid
d. connective tissues
e. glands

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Numerade Educator

Problem 15

Mucous membranes can be found in the ______________ systems.
a. respiratory, nervous, and digestive
b. muscular, reproductive, and digestive
c. integumentary, muscular, and respiratory
d. circulatory, muscular, and urinary
e. reproductive, respiratory, and digestive

Joanna Quigley

Numerade Educator