1. Which of the following is the correct order of the layers of the skin from

superficial to deep?

A) Epidermis, dermis, hypodermis

B) Dermis, epidermis, hypodermis

C) Hypodermis, dermis, epidermis

D) Hypodermis, epidermis, dermis

Answer: A

Rationale: The skin consists of three main layers: the epidermis, which is

the outermost layer that protects the body from infection and dehydration;

the dermis, which is the middle layer that contains blood vessels, nerves,

hair follicles, and sweat glands; and the hypodermis, which is the innermost

layer that attaches the skin to the underlying tissues and organs.

2. Which of the following is a function of the skeletal system?

A) Producing hormones

B) Storing minerals

C) Digesting food

D) Transporting oxygen

Answer: B

Rationale: The skeletal system is composed of bones, cartilage, ligaments,

and tendons. One of its functions is to store minerals such as calcium and

phosphorus, which are essential for bone health and other metabolic

processes.

3. Which of the following is a type of muscle tissue that is involuntary and

striated?

A) Skeletal muscle

B) Cardiac muscle

C) Smooth muscle

D) Nervous tissue

Answer: B

Rationale: Muscle tissue can be classified into three types based on its

structure and function: skeletal muscle, which is voluntary and striated and