Chapter 4 - From Cells to Organs

Question 1

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

Answer 1

A

Question 2

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
   d. tight junctions
   e. synapses

Answer 2

A

Question 3

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

Answer 3

D

Question 4

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

Answer 4

D

Question 5

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

Answer 5

B

Question 6

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

Answer 6

D

Question 7

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

Answer 7

D

Question 8

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

Answer 8

E

Question 9

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

Answer 9

A

Question 10

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.

Answer 10

A

Question 11

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
    b. uroregulation
    c. negative feedback
    d. positive feedback
    e. reverse feedback

Answer 11

D

Question 12

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

Answer 12

E

Question 13

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

Answer 13

C

Question 14

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

Answer 14

C

Question 15

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

Answer 15

E