University of Hawaii at Hilo - BIO172L Lab Practical for Terre Hawkins Questions With Complete Solutions

University of Hawaii at Hilo - BIO172L Lab Practical for Terre Hawkins Questions With
Complete Solutions
BIO172L
SECTION 1: Microscopy & Tissues
Question 1
You observe a slide with tightly packed cells, visible nuclei, and no extracellular matrix. Cells
are cube-shaped and line a tubule.
a. Identify the tissue
b. State one function
Answer:
a. Simple cuboidal epithelium
b. Secretion and absorption (e.g., kidney tubules)



Question 2
A tissue shows long, cylindrical cells with multiple peripheral nuclei and visible striations.
a. Tissue type
b. Voluntary or involuntary?
Answer:
a. Skeletal muscle tissue
b. Voluntary



Question 3
Which tissue type lines the alveoli of the lungs and why?
Answer:
Simple squamous epithelium — thin structure allows rapid diffusion of gases.



SECTION 2: Integumentary System
Question 4
List the correct order of epidermal layers (deep → superficial).
Answer:

, 1. Stratum basale
2. Stratum spinosum
3. Stratum granulosum
4. Stratum lucidum (thick skin only)
5. Stratum corneum



Question 5
Which gland is responsible for thermoregulation?
Answer:
Eccrine sweat gland



SECTION 3: Skeletal System (Bone ID & Structure)
Question 6
Identify the following parts of a long bone:
a. Shaft
b. Expanded end
c. Site of red marrow in adults
Answer:
a. Diaphysis
b. Epiphysis
c. Spongy (cancellous) bone



Question 7
Which cells are responsible for:
a. Bone formation
b. Bone resorption
Answer:
a. Osteoblasts
b. Osteoclasts