1.
Name this tissue
Correct Answer
C. Simple squamous epi
Explanation
Simple squamous epithelium is a single layer of flat cells that lines the surfaces involved in passive diffusion and filtration. It is found in areas where substances need to easily pass through, such as the lining of blood vessels, air sacs in the lungs, and the lining of the heart and other organs. The term "simple" refers to the single layer of cells, and "squamous" describes the flat, scale-like shape of the cells. This type of tissue is well-suited for diffusion and filtration due to its thinness and the ease with which substances can pass through its cells.
2.
Name this tissue
Correct Answer
A. Cardiac muscle
Explanation
The correct answer is cardiac muscle. Cardiac muscle is a type of muscle tissue found in the walls of the heart. It is responsible for the contraction and relaxation of the heart, allowing it to pump blood throughout the body. Unlike skeletal muscle, which is under voluntary control, cardiac muscle is involuntary and contracts rhythmically to maintain a steady heartbeat. Smooth muscle, on the other hand, is found in various organs and structures and is responsible for involuntary movements such as digestion and blood vessel constriction.
3.
Name this tissue
Correct Answer
C. Fibrocartilage
Explanation
Fibrocartilage is the correct answer because it is a type of connective tissue that contains both collagen fibers and cartilage cells. It is found in areas of the body that require both strength and flexibility, such as the intervertebral discs and the menisci of the knee. Fibrocartilage is characterized by its ability to withstand compression and tension, making it ideal for providing support and cushioning in these areas.
4.
Name this tissue
Correct Answer
B. Adipose
Explanation
The correct answer is adipose. Adipose tissue is a type of connective tissue that stores fat cells. It is found throughout the body and provides insulation, cushioning, and energy storage. Adipose tissue is composed of adipocytes, which are specialized cells that store fat in the form of triglycerides. This tissue can expand or shrink depending on the amount of fat stored, and it plays a crucial role in maintaining energy balance and regulating body temperature.
5.
Name this tissue
Correct Answer
A. Elastic
Explanation
The correct answer is elastic. Elastic tissue is a type of connective tissue that contains elastic fibers, which allow it to stretch and recoil. This tissue is found in organs that need to expand and contract, such as the lungs and blood vessels. It provides flexibility and resilience to these organs, allowing them to function properly.
6.
Name this tissue
Correct Answer
B. Dense irregular
Explanation
The correct answer is dense irregular. This tissue is characterized by collagen fibers that are arranged in a random and irregular pattern. It provides strength and support to various organs and structures in the body, such as the dermis of the skin, the capsules of organs, and the protective coverings of blood vessels and nerves. Unlike dense regular tissue, which has collagen fibers arranged in a parallel fashion, dense irregular tissue has fibers that are not oriented in a specific direction. Adipose tissue is a type of connective tissue that stores fat, while dense regular tissue has collagen fibers arranged in a parallel fashion.
7.
Name this tissue
Correct Answer
D. Hyaline
Explanation
The correct answer is hyaline because it is a type of connective tissue that is characterized by its translucent appearance. It is found in various parts of the body such as the nose, trachea, and ends of long bones. Hyaline cartilage provides support and flexibility to these structures. It is composed of collagen fibers and chondrocytes embedded in a gel-like matrix. This tissue is important for maintaining the shape and structure of certain body parts.
8.
Name this tissue
Correct Answer
A. Loose connective tissue; areolar
Explanation
The correct answer is loose connective tissue; areolar. Areolar tissue is a type of loose connective tissue that is found throughout the body. It is composed of a gel-like substance called ground substance, which contains collagen and elastic fibers. Areolar tissue provides support and cushioning to organs and helps in the diffusion of nutrients and waste products. It also plays a role in immune response and inflammation.
9.
Name this tissue
Correct Answer
B. Nervous tissue
Explanation
The correct answer is nervous tissue. Nervous tissue is a specialized type of tissue found in the nervous system. It is composed of neurons, which are responsible for transmitting electrical signals, and glial cells, which support and protect the neurons. Nervous tissue is found in the brain, spinal cord, and peripheral nerves, and it plays a crucial role in coordinating and controlling the body's functions.
10.
Name this tissue
Correct Answer
C. Osseous tissue
Explanation
The correct answer is osseous tissue. Osseous tissue refers to bone tissue, which is responsible for providing structural support and protecting organs in the body. It is composed of cells called osteocytes, along with a matrix of collagen fibers and mineral salts such as calcium and phosphate. Osseous tissue is highly specialized and undergoes constant remodeling throughout life, allowing for bone growth, repair, and maintenance.
11.
Name this tissue
Correct Answer
A. Blood
Explanation
This tissue is named blood because it is a fluid connective tissue found in the circulatory system of animals. It is responsible for transporting oxygen, nutrients, hormones, and waste products throughout the body. Blood is composed of red and white blood cells, platelets, and plasma. It plays a vital role in maintaining homeostasis and protecting the body against infections and diseases.
12.
Name this tissue
Correct Answer
B. Pseudostratified columnar epi
Explanation
Pseudostratified columnar epithelium is the correct answer. This tissue is made up of a single layer of cells that appear to be layered due to the varying heights of the cells. The nuclei of the cells are located at different levels, giving the appearance of stratification. However, all the cells are in contact with the basement membrane, indicating that it is a single layer. Pseudostratified columnar epithelium is found in the respiratory tract, where it helps to move mucus and trap particles.
13.
Name this tissue
Correct Answer
C. Loose connective; reticular
Explanation
The correct answer is "loose connective; reticular." Reticular tissue is a type of loose connective tissue that is composed of reticular fibers and reticular cells. It forms a supportive framework for organs such as the liver, spleen, and lymph nodes. This tissue is characterized by its delicate network of fibers, which provide structural support and help filter substances passing through the organs.
14.
Name this tissue
Correct Answer
A. Simple columnar epi
Explanation
The correct answer is simple columnar epi. This tissue is characterized by a single layer of tall, column-shaped cells. It is often found in areas of the body that require absorption and secretion, such as the lining of the intestines. The tall shape of the cells allows for a larger surface area, increasing the efficiency of these processes.
15.
Name this tissue
Correct Answer
C. Simple cuboidal epi
Explanation
The given tissue is named "Simple cuboidal epi" because it consists of a single layer of cube-shaped cells. This type of epithelial tissue is commonly found in areas where secretion and absorption occur, such as in the kidney tubules and glands. The cells are tightly packed together and have a central nucleus.
16.
Name this tissue
Correct Answer
C. Skeletal muscle
Explanation
Skeletal muscle is the correct answer because it is the type of muscle tissue that is attached to bones and is responsible for voluntary movements of the body. It is striated in appearance and is under conscious control. Cardiac muscle is found in the heart and is responsible for pumping blood, while smooth muscle is found in the walls of organs and is responsible for involuntary movements.
17.
Name this tissue
Correct Answer
B. Smooth muscle
Explanation
Smooth muscle is the correct answer because it is a type of muscle tissue found in the walls of hollow organs, such as the intestines, blood vessels, and uterus. It is called "smooth" muscle because it lacks the striations or bands that are present in skeletal and cardiac muscle. Smooth muscle is involuntary, meaning it is not under conscious control, and is responsible for various bodily functions such as digestion, blood flow regulation, and labor contractions.
18.
Name this tissue
Correct Answer
A. Stratified cuboidal epi
Explanation
The correct answer is stratified cuboidal epithelium. This type of tissue consists of multiple layers of cube-shaped cells. It is found in certain glands and ducts, where it provides protection and secretion. The stratified arrangement allows for a higher level of protection compared to simple cuboidal epithelium, which only consists of a single layer of cube-shaped cells. Stratified squamous epithelium is another type of tissue that is found in areas that require protection against abrasion. Transitional epithelium is a specialized type of tissue that lines the urinary bladder and allows for stretching and expansion.
19.
Name this tissue
Correct Answer
C. Stratified squamous epi
Explanation
The correct answer is stratified squamous epithelium. This type of tissue is characterized by multiple layers of flat cells. It is found in areas that experience a lot of wear and tear, such as the skin and the lining of the mouth and esophagus. The stratified arrangement of cells provides protection against mechanical stress and abrasion.
20.
Name this tissue
Correct Answer
D. Stratified columnar epi
Explanation
Stratified columnar epithelium is a type of tissue that consists of multiple layers of columnar cells. This tissue is typically found in certain parts of the body that require protection and secretion, such as the male urethra and parts of the pharynx. The multiple layers of cells provide a greater level of protection compared to simple columnar epithelium, which only has a single layer. The columnar shape of the cells allows for efficient secretion and absorption.
21.
Name this tissue
Correct Answer
A. Transitional epi