WorksheetsBIO22510-02N F25 - Week 3 LAB
Total questions: 91
Worksheet time: 46mins
Which of the following is a type of tissue studied in histology?
Epidermis
Connective Tissue
Hair
Sebaceous Glands
What is the primary function of the epidermis in the integumentary system?
To produce sweat
To protect underlying tissues
To store fat
To connect muscles
Which gland is responsible for producing oil in the skin?
Sweat Gland
Sebaceous Gland
Endocrine Gland
Salivary Gland
What type of tissue is responsible for movement in the body?
Nervous Tissue
Muscle Tissue
Epithelial Tissue
Connective Tissue
What is the scientific study of tissues called?
Cytology
Histology
Physiology
Anatomy
What is a tissue?
A single cell
A group of organs
An aggregation of cells that are similar in structure and function
A type of protein
Which of the following is NOT a basic type of tissue?
Epithelial
Connective
Muscle
Skeletal
What are the principal functions of epithelial tissues?
Protection, digestion, and circulation
Covering, lining, and protecting surfaces; absorption; secretion
Movement, support, and heat production
Sensation, integration, and response
What is the shape of squamous epithelial cells?
Flattened
Taller than wide
Cube-shaped
Spherical
How many layers does simple epithelium have?
One layer
Two layers
Three layers
Four layers
Which type of epithelial cell is taller than it is wide?
Squamous
Columnar
Cuboidal
Transitional
What is the primary function of stratified epithelium?
Transport
Protection
Absorption
Secretion
What is the most visible structure in simple squamous epithelium?
Cell membrane
Cytoplasm
Cell nuclei
Connective tissue
What is the primary function of simple squamous epithelium in the lining of vessels and cavities?
Absorption of nutrients
Regulation of passage of substances
Production of hormones
Storage of energy
What is the shape characteristic of simple cuboidal cells?
Taller than they are wide
Wider than they are tall
Roughly as tall as they are wide
Irregularly shaped
What is the primary function of simple cuboidal cells?
Protection and support
Secretion and absorption
Sensory reception
Structural integrity
Why is the cytoplasm of simple cuboidal cells rich in mitochondria and other organelles?
For structural support
For high levels of active transport
For sensory functions
For passive diffusion
What is a characteristic feature of simple columnar cells?
They are wider than they are tall.
They are always taller than they are wide.
They have no specialized structures.
They are specialized for secretion only.
What structures are found on the apical surface of simple columnar cells?
Flagella
Cilia or microvilli
Pseudopodia
Spines
What is the function of goblet cells in simple columnar epithelium?
They absorb nutrients.
They secrete mucus and protect the tissue.
They transport oxygen.
They produce enzymes.
For what function are simple columnar cells specialized?
Digestion
Absorption
Respiration
Contraction
What is the primary function of stratified epithelium?
Absorption of nutrients
Protection against easy invasion of underlying tissue by microorganisms
Secretion of hormones
Transport of oxygen
Which of the following is a type of stratified epithelium?
Stratified squamous epithelium
Simple cuboidal epithelium
Transitional epithelium
Pseudostratified columnar epithelium
Stratified epithelium provides protection against which of the following?
Excessive nutrient absorption
Water loss
Oxygen transport
Hormone secretion
What type of epithelium lines much of the urinary tract?
Transitional epithelium
Squamous epithelium
Cuboidal epithelium
Columnar epithelium
What shape are the surface cells of transitional epithelium?
Dome-shaped
Flat
Cuboidal
Spherical
What is the shape of the deepest cells in transitional epithelium?
Columnar
Squamous
Cuboidal
Spherical
What is a characteristic feature of pseudostratified epithelium?
Cells are arranged in a single layer
Nuclei are at different levels
All cells reach the surface
Cells are flat and scale-like
Where do the basal ends of cells in pseudostratified epithelium rest?
On the surface
On the basement membrane
In the middle of the tissue
On adjacent cells
How are the cells in pseudostratified epithelium arranged?
In a single layer
In several layers
In a circular pattern
In a random pattern
What is a characteristic of non-keratinized stratified squamous cells?
They contain water-resistant keratin.
They line moist internal cavities.
They form the outer layer of dead cells.
They are found in dry areas.
What is a feature of keratinized stratified squamous cells?
They are living cells.
They line moist internal cavities.
They contain water-resistant keratin.
They are found in the stomach lining.
What are the principal functions of connective tissues?
Provide energy and store nutrients
Provide support and attachment for various organs
Produce hormones and enzymes
Regulate body temperature
Which of the following is a type of connective tissue proper?
Cartilage
Blood
Loose Fibrous (Areolar)
Bone
What type of connective tissue is responsible for filling spaces in the body?
Adipose
Dense Fibrous
Reticular
Loose Fibrous (Areolar)
What is the function of the ground substance in connective tissue?
Provides structural support
Lubricates and adds resiliency
Transports nutrients
Stores energy
Which type of cell is responsible for building or creating the matrix in connective tissue?
Cytes
Clasts
Blasts
Fibers
What characteristic is associated with collagen fibers in connective tissue?
Stretch and recoil
Fine collagen fiber network
Strong, flexible, doesn’t stretch
Maintains matrix
Which type of fiber in connective tissue is known for its ability to stretch and recoil?
Collagen
Reticular
Elastin
Cytes
What type of tissue is described as very common and supports structures under pressure but with low friction?
Areolar (Loose) tissue
Adipose tissue
Dense regular tissue
Cartilage
Which fibers are found in areolar (loose) connective tissue?
Collagen, reticular, and elastic fibers
Only collagen fibers
Only elastic fibers
Only reticular fibers
The dermis of the skin is an example of which type of connective tissue?
Areolar (Loose) tissue
Adipose tissue
Dense irregular tissue
Bone tissue
What is the primary function of adipose tissue?
Fat synthesis, breakdown, and storage
Oxygen transport
Nerve impulse transmission
Bone support
What is the primary function of reticular fibers?
Transporting oxygen
Providing structural support
Conducting nerve impulses
Storing energy
Where can reticular tissue primarily be found?
Skin and hair
Muscles and tendons
Lymphoid tissue, bone marrow, and liver
Heart and lungs
What type of dense connective tissue forms much of the dermis?
Dense Regular
Dense Irregular
Loose Connective
Adipose Tissue
Which type of dense connective tissue composes tendons and ligaments?
Dense Irregular
Dense Regular
Cartilage
Bone
What is the primary function of cartilage?
Energy storage
Support and protection
Oxygen transport
Hormone production
Which type of cells are found in cartilage?
Osteocytes
Chondrocytes
Erythrocytes
Leukocytes
What role does cartilage play in relation to bones?
It serves as a precursor for bone
It breaks down bone tissue
It stores calcium for bones
It replaces bone tissue
Which type of cartilage is described as "rigid with flexibility"?
Elastic cartilage
Fibrocartilage
Hyaline cartilage
Adipose cartilage
Where is fibrocartilage commonly found?
Pinna and epiglottis
Costal cartilage and trachea
Intervertebral disks and meniscus of knee
Nasal septum and trachea
Which type of cartilage is the most flexible?
Hyaline cartilage
Fibrocartilage
Elastic cartilage
Adipose cartilage
What are the three cell types found in bone?
Osteoblasts, Osteocytes, Osteoclasts
Neurons, Glial cells, Astrocytes
Erythrocytes, Leukocytes, Platelets
Myocytes, Fibroblasts, Chondrocytes
What is the bone formed as?
Concentric layers of calcified material
Single layer of soft tissue
Randomly arranged fibers
Dense network of blood vessels
What does bone contain that is crucial for blood cell production?
Red marrow
Yellow marrow
White marrow
Blue marrow
What is the functional unit of compact bone?
Osteon
Lamellae
Central Canal
Periosteum
What forms the concentric rings in an osteon?
Osteon
Lamellae
Central Canal
Periosteum
What does the central canal contain in the center of an osteon?
Osteocytes
Capillaries
Collagenous Fibers
Trabeculae
What is the outer surface of compact bone called?
Osteon
Lamellae
Central Canal
Periosteum
What is another name for compact bone?
Cancellous bone
Cortical bone
Trabecular bone
Spongy bone
Where is spongy bone typically found?
In the skull
In long bones
Surrounding compact bone
In the vertebrae
Which of the following characteristics best describes compact bone?
Light and porous
Heavy, tough, and compact
Contains red bone marrow
Found in short bones
What is the liquid matrix of blood called?
Serum
Plasma
Hemoglobin
Cytoplasm
Which of the following is a type of cell found in blood?
Neurons
Osteocytes
Erythrocytes
Myocytes
What is the primary function of leukocytes in the blood?
Transport oxygen
Clot blood
Fight infections
Store nutrients
What is contractility in muscle tissues?
The ability to lengthen
The ability to shorten or contract
The ability to expand
The ability to relax
Muscle tissues are classified according to which of the following criteria?
Color and texture
Location, structure, and function
Size and shape
Weight and density
Which of the following is not a type of muscle tissue?
Skeletal
Cardiac
Smooth
Nervous
What type of contraction is associated with skeletal muscle?
Strong, quick, discontinuous, voluntary
Weak, slow, continuous, involuntary
Strong, slow, continuous, involuntary
Weak, quick, discontinuous, voluntary
Where is the nucleus located in a skeletal muscle cell?
Near the center of the cell
Near the periphery of the cell
Randomly distributed throughout the cell
Outside the cell
What is a characteristic feature of skeletal muscle cells?
Lack of striations
Presence of striations
Single nucleus
Involuntary control
What type of muscle is characterized by strong, quick continuous involuntary contraction?
Skeletal muscle
Smooth muscle
Cardiac muscle
Voluntary muscle
What is the function of intercalated disks in cardiac muscle?
To store calcium ions
To connect cardiac muscle cells
To produce energy
To transport oxygen
What type of contraction is characteristic of smooth muscle?
Strong, fast voluntary contraction
Weak, slow involuntary contraction
Strong, slow involuntary contraction
Weak, fast voluntary contraction
What are the main components of nervous tissue?
Neurons and muscle cells
Neurons and glial cells
Glial cells and epithelial cells
Muscle cells and epithelial cells
What is the primary function of neurons?
To produce hormones
To support and protect tissues
To produce impulses to transfer information
To store energy
Which characteristic is true of neurons?
Low metabolic rates, short-lived
High metabolic rates, long-lived
Low metabolic rates, long-lived
High metabolic rates, short-lived
What role do glial cells play in the nervous system?
They produce impulses
They support, protect, and nurture neurons
They store nutrients
They contract muscles
What can arise from abnormal divisions of glial cells in the CNS?
Muscle spasms
Tumors
Hormonal imbalances
Memory loss
What is the primary function of dendrites in a neuron?
Transmit signals away from the cell body
Contain the nucleus
Primary site for receiving signals
Help with regrowth of the axon
Which part of the neuron contains the nucleus?
Axon
Cell body
Synaptic knobs
Schwann cell
What is the role of Schwann cells in neurons?
Transmit electrical signals
Contain the nucleus
Help with regrowth of the axon
End of each neuron
Where do neurons communicate with each other?
At the axon
At the synapses
At the cell body
At the Schwann cells
Which type of neuron is characterized by having one axon and two or more dendrites?
Bipolar
Unipolar
Multipolar
Tripolar
What is a key feature of bipolar neurons?
They have two axons.
They have one dendrite and one axon.
They are the most common type of neuron.
They have multiple dendrites.
Which type of neuron comprises the sensory neurons?
Multipolar
Bipolar
Unipolar
Tripolar
What is the defining characteristic of unipolar neurons?
They have multiple axons.
They have a single process extending from the cell body.
They have two dendrites.
They are the most common type of neuron.
What is the function of the dorsal root of the spinal nerve?
Transmits motor information from the brain to the muscles
Transmits sensory information from the body to the brain
Connects the spinal cord to the brain
Controls involuntary muscle movements
How many pairs of spinal nerves are there in the human body?
12
24
31
46
Which part of the neuron is responsible for transmitting impulses away from the cell body?
Dendrite
Axon
Synapse
Soma
