Organisation Of The Body - Level 3 Quiz - New!!!!!!!
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Questions and Answers
- 1.
What does the word 'pericardial' mean?
- A.
Arm
- B.
Heart
- C.
Knee
- D.
Spleen
Correct Answer
B. HeartExplanation
The word 'pericardial' refers to something related to the pericardium, which is the sac-like structure that surrounds and protects the heart. Therefore, the correct answer is "Heart".Rate this question:
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- 2.
The word buccal means the 'inner surface of the cheek'
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The word "buccal" is derived from the Latin word "bucca," which means cheek. Therefore, "buccal" refers to the inner surface of the cheek. This makes the statement true.Rate this question:
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- 3.
Which word means 'elbow or forearm'?
- A.
Calcaneal
- B.
Cephalic
- C.
Cranial
- D.
Cubital
Correct Answer
D. CubitalExplanation
The word "cubital" refers to the elbow or forearm. It is derived from the Latin word "cubitus" which means elbow. This term is commonly used in medical and anatomical contexts to describe the area between the elbow and the wrist.Rate this question:
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- 4.
What word means 'ribs'?
- A.
Costal
- B.
Inguinal
- C.
Palmar
- D.
Mammary
Correct Answer
A. CostalExplanation
The word "costal" refers to ribs. It is derived from the Latin word "costa" which means rib. Therefore, "costal" is the correct answer to the question.Rate this question:
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- 5.
What is the correct directional term for 'below'?
- A.
Medial
- B.
Lateral
- C.
Superior
- D.
Inferior
Correct Answer
D. InferiorExplanation
The correct directional term for 'below' is "Inferior". This term is commonly used in anatomy to describe a structure that is located below or towards the feet in relation to another structure. It is the opposite of "Superior", which refers to a structure that is located above or towards the head.Rate this question:
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- 6.
What is another term for anterior?
- A.
Dorsal
- B.
Superficial
- C.
Proximal
- D.
Ventral
Correct Answer
D. VentralExplanation
The term "anterior" refers to the front or the front side of an organism or body part. Similarly, the term "ventral" also refers to the front or the belly side of an organism or body part. Therefore, "ventral" is another term for anterior.Rate this question:
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- 7.
Which part of a cell is thought of as the intracellular transport system?
- A.
Endoplasmic reticulum
- B.
Golgi body
- C.
Mitochondria
- D.
Ribosomes
Correct Answer
A. Endoplasmic reticulumExplanation
The endoplasmic reticulum is considered as the intracellular transport system in a cell. It is a network of membranes that extends throughout the cytoplasm and is involved in the synthesis, folding, and transport of proteins and lipids. It plays a crucial role in the movement of molecules within the cell, allowing them to be transported to different organelles or to the cell membrane for secretion. The endoplasmic reticulum also serves as a site for the detoxification of drugs and other harmful substances.Rate this question:
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- 8.
Osmosis is the movement of water molecules across a cell membrane
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Osmosis is the process by which water molecules move across a cell membrane from an area of lower solute concentration to an area of higher solute concentration. This movement occurs through a selectively permeable membrane, allowing only water molecules to pass through. Therefore, the statement that osmosis is the movement of water molecules across a cell membrane is true.Rate this question:
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- 9.
In which stage of mitosis do the chromosomes align themselves in the centre of the cell?
- A.
Prophase
- B.
Metaphase
- C.
Anaphase
- D.
Telophase
Correct Answer
B. MetapHaseExplanation
In metaphase, the chromosomes align themselves in the center of the cell. This is an important stage of mitosis where the spindle fibers attach to the centromeres of the chromosomes and move them to the equator of the cell. This alignment ensures that each daughter cell receives the correct number of chromosomes during cell division.Rate this question:
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- 10.
Which part of a cell contains digestive enzymes, which digest proteins?
- A.
Vacuole
- B.
Ribosome
- C.
Nucleus
- D.
Lysosome
Correct Answer
D. LysosomeExplanation
Lysosomes are organelles found in cells that contain digestive enzymes. These enzymes are responsible for breaking down proteins, as well as other macromolecules, into smaller molecules that can be used by the cell. Lysosomes play a crucial role in the recycling and disposal of cellular waste materials, as well as in the digestion of foreign substances that enter the cell. They are often referred to as the "garbage disposal" or "recycling center" of the cell due to their ability to break down and recycle various cellular components.Rate this question:
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- 11.
Which of the following is NOT a type of tissue?
- A.
Cartilage
- B.
Epithelial
- C.
Connective
- D.
Nervous
Correct Answer
A. CartilageExplanation
Cartilage is not a type of tissue because it is a type of connective tissue. Tissues are groups of cells that have similar structures and functions, and they are classified into four main types: epithelial, connective, muscle, and nervous. Cartilage is a flexible and elastic type of connective tissue that provides support and cushioning in various parts of the body, such as the joints, nose, and ears. Therefore, it is incorrect to consider cartilage as a separate type of tissue.Rate this question:
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- 12.
Which type of tissue has the function of protection and secretion?
- A.
Epithelial
- B.
Connective
- C.
Muscular
- D.
Nervous
Correct Answer
A. EpithelialExplanation
Epithelial tissue is the correct answer because it is responsible for protecting underlying tissues and organs from damage, dehydration, and pathogens. It also plays a role in secretion, such as the production and release of mucus, enzymes, and hormones. Epithelial tissue forms the outer layer of the skin, lines the internal organs, and covers the body's surfaces, providing a barrier and serving as a protective and secretory function.Rate this question:
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- 13.
There are two categories of epithelial tissue - Which one refers to only a single - layer of cells?
- A.
Simple
- B.
Stratified
Correct Answer
A. SimpleExplanation
Simple epithelial tissue refers to a single layer of cells. This type of tissue is found in areas where absorption, secretion, and filtration occur. It is commonly found in the lining of blood vessels, air sacs in the lungs, and the lining of the intestines. Simple epithelial tissue allows for efficient exchange of substances and provides a protective barrier. In contrast, stratified epithelial tissue consists of multiple layers of cells and is found in areas that require more protection, such as the skin and the lining of the mouth and esophagus.Rate this question:
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- 14.
Which type of tissue has the function of contractibility?
- A.
Epithelial
- B.
Connective
- C.
Muscular
- D.
Nervous
Correct Answer
C. MuscularExplanation
Muscular tissue is responsible for the function of contractibility. This type of tissue consists of specialized cells called muscle fibers that can contract and generate force, allowing movement and maintaining body posture. Muscles are found throughout the body and are categorized into three types: skeletal, smooth, and cardiac. Skeletal muscles are attached to bones and are responsible for voluntary movements, while smooth muscles are found in the walls of organs and blood vessels, controlling involuntary movements. Cardiac muscles are present in the heart and enable its contraction to pump blood.Rate this question:
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- 15.
Which type of connective tissue is the most widely distributed in the body, allows for elasticity, and is found in almost every part of the body, connecting and supporting organs?
- A.
Adipose
- B.
Cartilage
- C.
Blood
- D.
Areolar
Correct Answer
D. AreolarExplanation
Areolar connective tissue is the correct answer because it is the most widely distributed connective tissue in the body. It is found in almost every part of the body and serves to connect and support organs. Areolar tissue is made up of loosely arranged collagen and elastic fibers, which allow for elasticity and flexibility. It also contains numerous blood vessels and immune cells, making it important for immune defense and nutrient transport. Overall, areolar tissue plays a crucial role in maintaining the structural integrity and functioning of various organs and tissues in the body.Rate this question:
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- 16.
Which type of cartilage is found on the surfaces of bones, providing protection against friction?
- A.
Hyaline
- B.
Yellow elastic
- C.
White fibrous
Correct Answer
A. HyalineExplanation
Hyaline cartilage is found on the surfaces of bones and provides protection against friction. It is a smooth and flexible type of cartilage that covers the ends of bones in joints, reducing friction and allowing smooth movement. This type of cartilage is also found in the respiratory system and forms the framework for the nose, trachea, and larynx.Rate this question:
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- 17.
Which type of cartilage provides support and shape, found in the pinna and epiglottis?
- A.
Hyaline
- B.
Yellow elastic
- C.
White fibrous
Correct Answer
B. Yellow elasticExplanation
Yellow elastic cartilage provides support and shape in structures like the pinna (external ear) and epiglottis. This type of cartilage contains elastic fibers, which allow it to be flexible and recoil after being stretched. The elastic properties of yellow elastic cartilage make it suitable for structures that need to bend and return to their original shape, such as the pinna and epiglottis. Hyaline cartilage, on the other hand, is found in joints and provides a smooth surface for easy movement. White fibrous cartilage is found in areas that require strength and support, such as the intervertebral discs.Rate this question:
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- 18.
Which type of cartilage is slightly flexible but tough and is found between the vertebrae and in the symphysis pubis?
- A.
Hyaline
- B.
Yellow elastic
- C.
White fibrous
Correct Answer
C. White fibrousExplanation
White fibrous cartilage is the correct answer because it is a type of cartilage that is tough and slightly flexible. It is found between the vertebrae, providing support and cushioning for the spine, and in the symphysis pubis, which is the joint between the two pubic bones in the pelvis. White fibrous cartilage contains a dense network of collagen fibers, which give it its strength and resilience. This type of cartilage is able to withstand pressure and tension, making it ideal for these weight-bearing areas of the body.Rate this question:
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- 19.
Muscle tissue is not very elastic
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Muscle tissue is actually very elastic. This elasticity allows muscles to stretch and contract, enabling movement and flexibility in the body. Without this elasticity, muscles would not be able to generate the force required for movement and would be more prone to injury. Therefore, the statement that muscle tissue is not very elastic is false.Rate this question:
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- 20.
A tendon is an example of which type of connective tissue?
- A.
Areolar
- B.
Lymphoid
- C.
Yellow elastic
- D.
White fibrous
Correct Answer
D. White fibrousExplanation
White fibrous connective tissue is the correct answer because tendons are composed primarily of collagen fibers, which are the main component of white fibrous connective tissue. Tendons are strong, flexible, and capable of withstanding tension, making them ideal for connecting muscles to bones and transmitting forces generated by muscle contractions.Rate this question:
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- 21.
Blood is an example of a connective tissue
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Blood is considered a connective tissue because it is composed of specialized cells suspended in an extracellular matrix called plasma. Connective tissues are characterized by their ability to connect and support other tissues and organs in the body. In the case of blood, it connects various parts of the body by transporting oxygen, nutrients, hormones, and waste products. It also plays a crucial role in immune responses and helps in maintaining homeostasis. Therefore, blood is a prime example of a connective tissue.Rate this question:
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- 22.
Which is the strongest/hardest tissue in the body?
- A.
Bone
- B.
Cartilage
Correct Answer
A. BoneExplanation
Bone is the strongest and hardest tissue in the body. It provides support and protection to various organs and structures. Bones are composed of a dense matrix of collagen fibers and minerals such as calcium and phosphorus, which give them their strength and hardness. They are able to withstand compressive forces and resist fractures, making them essential for maintaining the structural integrity of the body. Cartilage, on the other hand, is a softer connective tissue that provides cushioning and flexibility but is not as strong or hard as bone.Rate this question:
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- 23.
Which type of membrane is found lining openings to the exterior environment, for example the respiratory, digestive, urinary and reproductive systems?
- A.
Mucous
- B.
Serous
- C.
Synovial
Correct Answer
A. MucousExplanation
Mucous membranes are found lining openings to the exterior environment, such as the respiratory, digestive, urinary, and reproductive systems. These membranes secrete mucus, a sticky substance that helps to protect and lubricate the openings, preventing them from drying out and providing a barrier against pathogens and irritants. Mucous membranes are composed of epithelial tissue and are typically moist and well vascularized.Rate this question:
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- 24.
Which type of membrane is found in cavities that are not open to the external environment and covers many organs? Examples include the pericardium of the heart, pleura of the lungs and peritoneum of the abdominal organs.
- A.
Mucous
- B.
Serous
- C.
Synovial
Correct Answer
B. SerousExplanation
Serous membranes are found in cavities that are not open to the external environment and cover many organs. Examples include the pericardium of the heart, pleura of the lungs, and peritoneum of the abdominal organs. Serous membranes secrete a watery fluid that helps reduce friction between organs and allows them to glide smoothly against each other. This type of membrane is different from mucous membranes, which line body cavities that open to the external environment, and synovial membranes, which line joint cavities and secrete synovial fluid to lubricate the joints.Rate this question:
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- 25.
Which type of membrane lines the joint cavities of freely moveable joints?
- A.
Mucous
- B.
Serous
- C.
Synovial
Correct Answer
C. SynovialExplanation
Synovial membrane lines the joint cavities of freely moveable joints. This type of membrane is responsible for producing synovial fluid, which lubricates the joint and reduces friction between the bones. It also nourishes the cartilage and helps in shock absorption. The synovial membrane is made up of connective tissue and is highly vascular, allowing for the exchange of nutrients and waste products.Rate this question:
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- 26.
What is the name of the reproductive cell division and results in the fusion of an egg and a sperm into a zygote?
- A.
Meiosis
- B.
Mitosis
Correct Answer
A. MeiosisExplanation
Meiosis is the correct answer because it is the reproductive cell division that results in the fusion of an egg and a sperm into a zygote. Meiosis involves two rounds of division, resulting in the formation of four haploid cells, each containing half the number of chromosomes as the parent cell. This process is essential for sexual reproduction and the creation of genetically diverse offspring. Mitosis, on the other hand, is a cell division process that results in the formation of two identical daughter cells, and it is not involved in the fusion of an egg and a sperm.Rate this question:
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- 27.
The study of the structures of the human body and their relationship to one another is known as:
- A.
Homeostasis
- B.
Metabolism
- C.
Anatomy
- D.
Physiology
Correct Answer
C. AnatomyExplanation
Anatomy is the study of the structures of the human body and their relationship to one another. It involves the examination and identification of various body parts, organs, and systems, as well as their connections and functions. This field of study helps in understanding the physical makeup of the human body and how different structures work together to maintain overall health and functionality.Rate this question:
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- 28.
A group of cells that group together to perform a certain function are known as:
- A.
Tissues
- B.
Organs
- C.
Cells
- D.
Atoms
Correct Answer
A. TissuesExplanation
A group of cells that work together to perform a specific function is called tissues. Tissues are composed of similar cells that have a common structure and function. They are the next level of organization after cells and are responsible for carrying out specific tasks in the body. Organs are made up of different types of tissues working together, while cells are the basic building blocks of all living organisms. Atoms, on the other hand, are the smallest units of matter and are not directly related to the organization of cells or tissues.Rate this question:
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- 29.
The organelle that powers the cell activities is the:
- A.
Mitochondria
- B.
Golgi body
- C.
Nucleus
- D.
Cell membrane
Correct Answer
C. NucleusExplanation
The nucleus is responsible for controlling the activities of the cell. It contains the cell's DNA and serves as the command center, regulating gene expression and coordinating cell functions. While the mitochondria are involved in energy production, they do not directly power the cell activities. The Golgi body is involved in processing and packaging proteins, while the cell membrane acts as a barrier and regulates the movement of substances in and out of the cell. Therefore, the nucleus is the correct answer as it is the organelle that controls and powers the cell activities.Rate this question:
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- 30.
The process by which small molecules move from areas of high concentration to low concentration is known as:
- A.
Osmosis
- B.
Diffusion
- C.
Filtration
- D.
Active transport
Correct Answer
B. DiffusionExplanation
Diffusion is the process by which small molecules move from areas of high concentration to low concentration. In this process, molecules move freely and randomly, spreading out to achieve a balance or equilibrium. Osmosis, on the other hand, specifically refers to the movement of water molecules across a selectively permeable membrane. Filtration involves the movement of molecules through a membrane or filter under pressure. Active transport, on the other hand, requires energy to move molecules against their concentration gradient. Therefore, the correct answer is diffusion.Rate this question:
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- 31.
A human cell contains 23 chromosomes
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
A human cell actually contains 46 chromosomes, which are organized into 23 pairs. Each pair consists of one chromosome inherited from the mother and one from the father. Therefore, the statement that a human cell contains 23 chromosomes is incorrect.Rate this question:
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- 32.
Where does most of cellular metabolism take place?
- A.
Cytosplasm
- B.
Mitochondria
- C.
Nucleus
- D.
Ribsome
Correct Answer
A. CytosplasmExplanation
Most of cellular metabolism takes place in the cytoplasm. This is because the cytoplasm contains various organelles and enzymes that are involved in the metabolic processes of the cell, such as glycolysis, protein synthesis, and lipid metabolism. The cytoplasm provides a suitable environment for these reactions to occur and allows for the efficient exchange of molecules and energy. Additionally, the cytoplasm is where most of the cell's metabolic waste products are generated and processed before being eliminated from the cell.Rate this question:
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- 33.
Which of the following is NOT a type of simple epithelium?
- A.
Squamous
- B.
Cuboidal
- C.
Columnar
- D.
Transitional
Correct Answer
D. TransitionalExplanation
Transitional epithelium is a type of stratified epithelium, not simple epithelium. Simple epithelium consists of a single layer of cells, while transitional epithelium is made up of multiple layers of cells that can stretch and contract. Therefore, transitional epithelium is not a type of simple epithelium.Rate this question:
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- 34.
Which type of stratified epithelium is found on dry surfaces, such as the lining of the skin, hair and nails?
- A.
Non-keritinised
- B.
Keritinised
Correct Answer
B. KeritinisedExplanation
Keratinized stratified epithelium is found on dry surfaces such as the skin, hair, and nails. This type of epithelium is characterized by the presence of keratin, a tough protein that provides protection and waterproofing properties. The keratinization process involves the accumulation of keratin in the cells as they move towards the surface, resulting in the formation of a tough, durable layer. This layer helps to prevent water loss and protects the underlying tissues from mechanical damage and infection. Therefore, the correct answer is keratinized.Rate this question:
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- 35.
Which type of stratified epithelium is found on wet surfaces that may be subject to wear and tear, such as the conjunctiva of the eye, the lining of the mouth, oesophagus and pharynx?
- A.
Non-keritinised
- B.
Keritinised
Correct Answer
A. Non-keritinisedExplanation
Non-keratinized stratified epithelium is found on wet surfaces that may be subject to wear and tear. This type of epithelium lacks the tough protein keratin, which makes it more flexible and resistant to damage. It is well-suited for lining areas such as the conjunctiva of the eye, the lining of the mouth, esophagus, and pharynx, where constant exposure to moisture and friction occurs.Rate this question:
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Mar 21, 2023Quiz Edited by
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Feb 28, 2012Quiz Created by
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