SCI 220 Week 4 Quiz | Full Questions and Answers | 2026 Update | 100% Correct - Nightingale College.

SCI 220 Week 4 Quiz | Full Questions and Answers | 2026 Update | 100% Correct - Nightingale
College.

Question 1

Which of the following is not a primary germ layer?

 A. Endoderm
 B. Ectoderm
 C. Mesoderm
 D. Epiderm ✅

Answer: D. Epiderm



Question 2

The connective tissue membranes that line the spaces between bones and joints are called
_____ membranes.

 A. Mucous
 B. Cutaneous
 C. Serous
 D. Synovial ✅

Answer: D. Synovial



Question 3

The fluid environment that fills the spaces between the cells of the body is called:

 A. Extracellular matrix ✅
 B. Intracellular matrix
 C. Intercellular matrix
 D. Tissue matrix

Answer: A. Extracellular matrix



Question 4

, Which of the following is not a type of connective tissue?

 A. Cardiac ✅
 B. Blood
 C. Adipose
 D. Cartilage

Answer: A. Cardiac



Question 5

Which type of tissue has cube-shaped cells and can be found lining the kidney tubules?

 A. Simple squamous epithelium
 B. Stratified squamous epithelium
 C. Simple cuboidal epithelium ✅
 D. Pseudostratified columnar epithelium

Answer: C. Simple cuboidal epithelium



Question 6

Each hair follicle has a small bundle of involuntary muscles attached to it called the:

 A. Smooth muscle layer
 B. Microvilli
 C. Arrector pili muscle ✅
 D. Dermal papillae

Answer: C. Arrector pili muscle



Question 7

The basic determinant of skin color is:

 A. Keratin
 B. Mucus
 C. Melanin ✅
 D. Tyrosine