Question 1

Which of the following best describes the anatomical position for the human body?

Accepted Answer

Standing upright, arms at sides, palms facing forward, feet together

Question 2

Which of the following is an example of a negative feedback mechanism in the human body?

Accepted Answer

Sweating to reduce body temperature when overheated

Question 3

Which tissue type is characterized by a large amount of extracellular matrix (ECM) and functions primarily to support and bind other tissues?

Accepted Answer

Connective tissue

Question 4

A patient presents with a burn that affects both the epidermis and the entire dermis, but not the underlying subcutaneous layer. Which classification best describes this burn?

Accepted Answer

Third-degree burn

Question 5

Which of the following best describes the function of melanocytes in the skin?

Accepted Answer

Produce melanin to protect against UV radiation

Question 6

Which of the following is NOT a characteristic of skeletal muscle tissue?

Accepted Answer

Ability to transmit electrical impulses

Question 7

Which of the following best describes the function of the arrector pili muscles?

Accepted Answer

Contract to cause hair to stand up, producing 'goosebumps'

Question 8

Which of the following is a major function of the integumentary system?

Accepted Answer

Protection against mechanical injury and pathogens

Question 9

Which of the following best describes the composition of the subcutaneous layer?

Accepted Answer

Loose connective tissue and adipose tissue

Question 10

Which of the following is a correct sequence for the levels of organization in the human body, from smallest to largest?

Accepted Answer

Cell → Tissue → Organ → Organ System → Organism

Question 11

Which of the following best describes the function of keratin in the skin?

Accepted Answer

Strengthens and waterproofs the epidermis

Question 12

Which of the following is a function of serous membranes?

Accepted Answer

Cover and protect internal organs, reducing friction

Question 13

Which of the following is a unique characteristic of nervous tissue?

Accepted Answer

Contains cells that transmit electrical impulses

Question 14

Which of the following best describes the function of sebaceous glands?

Accepted Answer

Produce sebum to lubricate and waterproof skin and hair

Question 15

Which of the following is a correct description of the sagittal plane?

Accepted Answer

Divides the body into left and right sections

Question 16

Which of the following is a function of the skin in regulating body temperature?

Accepted Answer

Vasodilation and sweating

Question 17

Which of the following best describes the difference between endocrine and exocrine glands?

Accepted Answer

Endocrine glands secrete hormones directly into the bloodstream; exocrine glands secrete substances onto epithelial surfaces

Question 18

Which of the following is a characteristic of epithelial tissue?

Accepted Answer

Lines body surfaces and cavities

Question 19

A patient is diagnosed with vitiligo, a homeostatic imbalance of the skin. Which of the following best describes the cause and symptoms of this condition?

Accepted Answer

Loss of melanocytes resulting in patchy depigmentation

Question 20

Which of the following best describes the function of the extracellular matrix (ECM) in connective tissue?

Accepted Answer

Supports, binds, and provides structural integrity to tissues

Unit 1 Study Guide: Histology and Integumentary System

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