1.
Name this tissue
Correct Answer
C. Simple squamous epi
Explanation
Simple squamous epithelium is a type of tissue that consists of a single layer of flat, scale-like cells. It is found in areas where diffusion or filtration is important, such as the lining of blood vessels, air sacs in the lungs, and parts of the kidney. The flat shape of the cells allows for efficient diffusion of gases and other substances across the tissue.
2.
Name this tissue
Correct Answer
A. Cardiac muscle
Explanation
Cardiac muscle is the correct answer because it is a specialized type of muscle tissue found only in the heart. It is responsible for the contraction and relaxation of the heart, allowing it to pump blood throughout the body. Cardiac muscle is striated and involuntary, meaning it is under unconscious control. Unlike skeletal muscle, which is attached to bones and allows for voluntary movement, cardiac muscle is self-stimulating and contracts rhythmically to maintain the heart's pumping action. Smooth muscle, on the other hand, is found in the walls of organs and blood vessels, and skeletal muscle is responsible for voluntary movements of the body.
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 that require both strength and flexibility, such as the intervertebral discs and the pubic symphysis. Fibrocartilage is characterized by its ability to withstand compression and tension, making it ideal for providing support and stability in the body.
4.
Name this tissue
Correct Answer
B. Adipose
Explanation
The correct answer is adipose because adipose tissue is a type of connective tissue that is primarily composed of fat cells. It is responsible for storing energy in the form of fat, insulating and cushioning organs, and providing shape to the body. Adipose tissue is found throughout the body, particularly beneath the skin, around internal organs, and in bone marrow. It is characterized by its loose arrangement of cells and its ability to expand and contract as fat is stored or released.
5.
Name this tissue
Correct Answer
A. Elastic
Explanation
This tissue is named elastic because it is characterized by the presence of elastic fibers. These fibers give the tissue its ability to stretch and recoil, making it ideal for structures that need to be flexible and resilient, such as the walls of arteries and certain parts of the respiratory system.
6.
Name this tissue
Correct Answer
B. Dense irregular
Explanation
The tissue described in the question is dense irregular tissue. This type of tissue is characterized by collagen fibers that are arranged in a random or irregular pattern. It provides strength and support to various organs and structures in the body. Unlike dense regular tissue, which has collagen fibers arranged in parallel, dense irregular tissue has fibers that are arranged in multiple directions, making it more resistant to stretching and providing greater flexibility. Adipose tissue, on the other hand, is a type of connective tissue that stores fat cells.
7.
Name this tissue
Correct Answer
D. Hyaline
Explanation
Hyaline tissue is a type of connective tissue that is characterized by its clear, glassy appearance under a microscope. It is found in areas such as the nose, trachea, and ends of long bones. This tissue provides support and flexibility to these structures. Elastic tissue, on the other hand, contains elastic fibers and is found in areas that require elasticity, such as the lungs and blood vessels. Areolar tissue is a loose connective tissue that surrounds and supports organs. Fibrocartilage is a type of cartilage that is found in areas that require both support and flexibility, such as the intervertebral discs.
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 and provides support and elasticity. It is composed of a gel-like matrix with collagen and elastic fibers, as well as various types of cells, such as fibroblasts and immune cells. Areolar tissue is highly vascular and helps to connect and protect organs and tissues.
9.
Name this tissue
Correct Answer
B. Nervous tissue
Explanation
The correct answer is nervous tissue. This is because nervous tissue is responsible for transmitting electrical signals and coordinating body functions. It is composed of specialized cells called neurons that are capable of generating and transmitting electrical impulses. Nervous tissue is found in the brain, spinal cord, and peripheral nerves, and is essential for the functioning of the nervous system.
10.
Name this tissue
Correct Answer
C. Osseous tissue
Explanation
The correct answer is osseous tissue. Osseous tissue refers to bone tissue, which is composed of specialized cells called osteocytes embedded in a matrix of collagen fibers and mineral salts. This tissue provides support, protection, and helps in the movement of the body. It also plays a crucial role in mineral storage and blood cell formation.
11.
Name this tissue
Correct Answer
A. Blood
Explanation
The tissue being described in this question is blood. Blood is a connective tissue that is responsible for transporting oxygen, nutrients, hormones, and waste products throughout the body. It consists of red blood cells, white blood cells, and platelets suspended in a liquid called plasma. Blood plays a crucial role in maintaining homeostasis and supporting various bodily functions.
12.
Name this tissue
Correct Answer
B. Pseudostratified columnar epi
Explanation
The correct answer is pseudostratified columnar epithelium. This tissue is characterized by the appearance of multiple layers of cells, giving the false impression of stratification. However, all cells are in contact with the basement membrane. Pseudostratified columnar epithelium is commonly found lining the respiratory tract, where it helps to move mucus and trap foreign particles. It is also found in the reproductive system, where it lines the epididymis and parts of the male urethra.
13.
Name this tissue
Correct Answer
C. Loose connective; reticular
Explanation
The correct answer is "loose connective; reticular" because reticular tissue is a type of loose connective tissue that is composed of reticular fibers and reticular cells. It forms a framework that supports the organs and tissues of the body, particularly in lymphoid organs such as the spleen and lymph nodes. Reticular tissue is characterized by its delicate network of fibers and its ability to provide structural support while allowing for flexibility and movement.
14.
Name this tissue
Correct Answer
A. Simple columnar epi
Explanation
The correct answer is simple columnar epithelium. This tissue is characterized by a single layer of tall, rectangular cells that are closely packed together. It is commonly found lining the digestive tract, where it functions in absorption and secretion. The cells have a large amount of cytoplasm and may contain specialized structures such as microvilli or goblet cells.
15.
Name this tissue
Correct Answer
C. Simple cuboidal epi
Explanation
The correct answer is Simple cuboidal epi. This tissue is characterized by a single layer of cube-shaped cells. It is found in areas where secretion and absorption take place, such as in the kidney tubules and glands. The cells have a centrally located nucleus and are involved in the transport of substances.
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 the skeleton 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 involuntary contractions, while smooth muscle is found in the walls of organs and blood vessels and also functions involuntarily.
17.
Name this tissue
Correct Answer
B. Smooth muscle
Explanation
Smooth muscle is the correct answer because it is a type of muscle tissue that is found in the walls of hollow organs, such as the stomach, intestines, and blood vessels. It is characterized by its non-striated appearance and involuntary control. Smooth muscle is responsible for various functions, including the movement of food through the digestive system and the regulation of blood flow. Unlike cardiac and skeletal muscle, smooth muscle does not have a striped or striated appearance and is not under conscious control.
18.
Name this tissue
Correct Answer
A. Stratified cuboidal epi
Explanation
The correct answer is "Stratified cuboidal epi." Stratified cuboidal epithelium is a type of tissue that consists of multiple layers of cuboidal cells. This type of tissue is typically found in areas where protection and secretion are important, such as the sweat glands and mammary glands. The multiple layers of cells provide strength and protection, while the cuboidal shape allows for secretion and absorption.
19.
Name this tissue
Correct Answer
C. Stratified squamous epi
Explanation
The correct answer is stratified squamous epithelium. This tissue is characterized by multiple layers of cells with the top layer being flat and squamous in shape. It is found in areas of the body that experience a lot of wear and tear, such as the skin, mouth, and esophagus. The stratified nature of this tissue 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. The columnar cells are elongated and have their nuclei located at different heights, giving the appearance of being stratified. This type of tissue is found in certain parts of the body, such as the male urethra and parts of the digestive tract. Its multiple layers provide protection and support to the underlying tissues.
21.
Name this tissue
Correct Answer
A. Transitional epi
Explanation
The correct answer is Transitional epi. Transitional epithelium is a type of stratified epithelium that is found in organs that need to stretch and expand, such as the urinary bladder. It is characterized by multiple layers of cells that can change shape and stretch in response to the volume of the organ. This tissue is able to accommodate changes in size without tearing or damaging the organ.