BIOS 242 Lab Exam 1 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. What is the proper first step when using a microscope?
A. Turn on the light source
B. Place the slide on the stage
C. Adjust the coarse focus
D. Use the high-power objective
Correct Answer: B
Rationale: Always place the slide first before focusing to avoid
damaging the lens.
2. Which part of the microscope controls the amount of light?
A. Diaphragm
B. Coarse focus knob
C. Fine focus knob
D. Stage clips
Correct Answer: A
,Rationale: The diaphragm regulates light intensity reaching the
slide.
3. Which objective is used first to locate the specimen?
A. Scanning (4x)
B. Low-power (10x)
C. High-power (40x)
D. Oil-immersion (100x)
Correct Answer: A
Rationale: Scanning objective provides a wide field to locate the
sample.
4. Which focus knob should be used with high-power objective?
A. Fine focus
B. Coarse focus
C. Stage knob
D. Diaphragm
Correct Answer: A
Rationale: Fine focus allows precise adjustments without damaging
the slide.
5. What type of tissue has striations and voluntary control?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
,D. Nervous tissue
Correct Answer: A
Rationale: Skeletal muscle is striated and controlled voluntarily.
6. Which tissue type forms the lining of organs and skin?
A. Epithelial
B. Connective
C. Muscle
D. Nervous
Correct Answer: A
Rationale: Epithelial tissue covers surfaces and protects underlying
layers.
7. Which tissue type supports and connects other tissues?
A. Connective
B. Epithelial
C. Muscle
D. Nervous
Correct Answer: A
Rationale: Connective tissue provides structural support and binds
tissues.
8. Which connective tissue stores fat?
A. Adipose
B. Bone
, C. Cartilage
D. Dense regular
Correct Answer: A
Rationale: Adipose tissue stores energy in the form of fat.
9. Which connective tissue forms the skeleton?
A. Bone
B. Cartilage
C. Adipose
D. Dense irregular
Correct Answer: A
Rationale: Bone provides structural support and protects organs.
10. Which connective tissue is flexible and found in joints?
A. Cartilage
B. Bone
C. Adipose
D. Dense irregular
Correct Answer: A
Rationale: Cartilage provides cushioning and flexibility at joints.
11. Which epithelial tissue allows diffusion?
A. Simple squamous
B. Stratified squamous
C. Cuboidal
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. What is the proper first step when using a microscope?
A. Turn on the light source
B. Place the slide on the stage
C. Adjust the coarse focus
D. Use the high-power objective
Correct Answer: B
Rationale: Always place the slide first before focusing to avoid
damaging the lens.
2. Which part of the microscope controls the amount of light?
A. Diaphragm
B. Coarse focus knob
C. Fine focus knob
D. Stage clips
Correct Answer: A
,Rationale: The diaphragm regulates light intensity reaching the
slide.
3. Which objective is used first to locate the specimen?
A. Scanning (4x)
B. Low-power (10x)
C. High-power (40x)
D. Oil-immersion (100x)
Correct Answer: A
Rationale: Scanning objective provides a wide field to locate the
sample.
4. Which focus knob should be used with high-power objective?
A. Fine focus
B. Coarse focus
C. Stage knob
D. Diaphragm
Correct Answer: A
Rationale: Fine focus allows precise adjustments without damaging
the slide.
5. What type of tissue has striations and voluntary control?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
,D. Nervous tissue
Correct Answer: A
Rationale: Skeletal muscle is striated and controlled voluntarily.
6. Which tissue type forms the lining of organs and skin?
A. Epithelial
B. Connective
C. Muscle
D. Nervous
Correct Answer: A
Rationale: Epithelial tissue covers surfaces and protects underlying
layers.
7. Which tissue type supports and connects other tissues?
A. Connective
B. Epithelial
C. Muscle
D. Nervous
Correct Answer: A
Rationale: Connective tissue provides structural support and binds
tissues.
8. Which connective tissue stores fat?
A. Adipose
B. Bone
, C. Cartilage
D. Dense regular
Correct Answer: A
Rationale: Adipose tissue stores energy in the form of fat.
9. Which connective tissue forms the skeleton?
A. Bone
B. Cartilage
C. Adipose
D. Dense irregular
Correct Answer: A
Rationale: Bone provides structural support and protects organs.
10. Which connective tissue is flexible and found in joints?
A. Cartilage
B. Bone
C. Adipose
D. Dense irregular
Correct Answer: A
Rationale: Cartilage provides cushioning and flexibility at joints.
11. Which epithelial tissue allows diffusion?
A. Simple squamous
B. Stratified squamous
C. Cuboidal
