BIOS 214 EXAM 1- 4 QUESTIONS & VERIFIED
ANSWERS
Cells of the small intestine and kidney tubule have a "brush border" composed of
______, which are cell extensions that increase surface area. - Answers - microvilli
The perichondrium is a layer of fibroconnective tissue surrounding - Answers - most
cartilage
The internal lining of the esophagus and adult vagina is - Answers - stratified squamous
epithelium
Tendons and ligaments consist primarily of the protein - Answers - collagen
What tissue type forms the stroma of organs such as the spleen and thymus? - Answers
- reticular tissue
Which of the following is not one of the four primary classes of tissue? - Answers -
cartilagenous tissue
What tissue type is found in the serous membranes that form the surface of the
stomach and intestines? - Answers - simple squamous epithelium
A tissue specialized for energy storage and thermal insulation is - Answers - adipose
tissue
Which type of intercellular connection facilitates passage of electrical signals between
cardiocytes that enables a coordinated heart beat? - Answers - gap junctions
Study of the microscopic structure of tissues and organs is called - Answers - histology
The term "tubuloalveolar" is used to describe - Answers - an exocrine gland
A common example of a unicellular gland is - Answers - a goblet cell
The type of hair covering the fetus is - Answers - lanugo
The most external layer of a hair shaft is - Answers - the cuticle
What is a desirable (and healthful) result of exposure to ultraviolet rays of the sun? -
Answers - increased production of Vitamin D
,Which cutaneous glands develop as outgrowths of hair follicles? - Answers - sebaceous
and apocrine glands
What occurs in the stratum granulosum? - Answers - keratinocytes undergo apoptosis
A second-degree burn - Answers - involves epidermis and part of the dermis and may
produce blisters
The dermal papilla of a hair is found in its - Answers - bulb
Which of the following is not a function of the skin? - Answers - synthesis of vitamin C
The reticular layer of the dermis consists of which kind of tissue? - Answers - dense
irregular connective tissue
When cats fight, their fur rises through the action of - Answers - arrector pili muscles
The epidermis differs from the inner lining of the esophagus in that the epidermis -
Answers - is cornified/keratinized
The synthesis of _______ depends on the penetration of ultraviolet light through the
epidermis. - Answers - vitamin D
In thin skin, the _____ is not visible. - Answers - stratum lucidum
The _____ forms by endochondral ossification. - Answers - humerus
Which bone houses the middle and inner ear? - Answers - temporal
The foramen ovale is found in which bone? - Answers - the spenoid
Which bone in adults would produce blood cells? - Answers - sternum
The sphenoid has all of the following features except - Answers - a pterygoid canal
The vestibulocochlear nerve passes through which of the following openings? -
Answers - internal acoustic meatus/canal
Which of the following is not a facial bone? - Answers - the ethmoid bone
Which bone does not contribute to the formation of the eye orbit? - Answers - temporal
Most bones develop from - Answers - hyaline cartilage
The lacunae of bone contain - Answers - osteocytes
,In the development of the skeleton,what typically occurs at the ages of 18 to 25? -
Answers - the epiphyseal plates fuse
How are the processes of adjacent osteocytes joined? - Answers - gap junctions
A failure of chondrocytes to multiply and enlarge in the metaphysis results in which of
the following conditions? - Answers - achonddroplastic dwarfism
A/an _____ covers most parts of a bone except for its articular cartilage. - Answers –
periosteum
Nissl bodies are located in the _____ of a neuron - Answers - Soma
Which of the following are true about agonists and antagonists - Answers - 1. Agonists
contract while antagonists relax
2. The quadriceps femoris and the hamstrings are antagonists
Pennate muscles: - Answers - Have a large number of fascicles attached to the tendon
Have short muscle fibers attached to the tendon almost as long as the entire muscle
Have a relatively small ROM but greater power than parallel or fusiform muscles
The right and left sides of the gray matter of the spinal cord are linked by what structure
- Answers - The gray commissure
The brain and spinal cord constitute the _____ Nervous System - Answers - Central
Which glial cells convert glucose to lactate and contribute to nourishment of neurons -
Answers - Astrocytes
The digastric, stylohyoid, and geniohyoid muscles have what in common - Answers - An
attachment on the body of the hyoid bone
The bright red color of skeletal muscle is due mainly to - Answers - myoglobin
Where are neurotransmitter receptors found on the sarcolemma - Answers - Motor end
plate
Compared to skeletal muscle, cardiac muscles differs in that it - Answers - Has
branching cells
Which is not a function of cerebrospinal fluid - Answers - It helps cool the brain
The spinal cord is divided into all of the following regions except - Answers - Pelvic
Where does the spinal cord end - Answers - The medullary cone
, if there is a stroke in the motor portion of the left isde of the brain, it affects muscles on
the right side of the body. Why? - Answers - Because the fibers of the corticospinal
tracts are contralateral
What is found in the central canal of the spinal cord - Answers - Cerebrospinal fluid
One role of the astrocytes is to - Answers - Help form the blood brain barrier
There is a homunculus on the precentral gyrus. The reason the hand region of the
homunculus is so large relates to the fact that - Answers - we have numerous motor
units associated with finger movement
One sarcomere contains all of the following except - Answers - Myofibrils
In skeletal muscle, the sarcoplasmic reticulum - Answers - releases Ca2+ to trigger
contraction
IN the absence of ATP or if ATP cannot be produced by a muscle cell - Answers -
Muscle contraction will not take place
A muscle will exist in a state of rigor
The corpus callosum is composed of - Answers - Commissural Fibers
If the name of a spinal tract begins with the root spino- - Answers - It is a sensory
pathway
Which is a correct statement in regards to that stupid H-zone model - Answers - Thick
and thin filaments are arranged into sacromeres
A myofiber contains myofibrils
A myofibril contains thick and thin filaments
The loss of muscle mass from disuse is called - Answers - Atrophy
Nerve fiber tracts that cross over from one side of the body to another are said to -
Answers - Decussate
The close association of sarcoplasmic reticulum and Transverse tubules is called a -
Answers - Triad
Synaptic vessicles are found on the - Answers - Synapttic Knob
Myelin consists mainly of - Answers - Phospholipids
Th neurons that stimulate a muscle fiber to contract is known as - Answers - A somatic
motor neuron
ANSWERS
Cells of the small intestine and kidney tubule have a "brush border" composed of
______, which are cell extensions that increase surface area. - Answers - microvilli
The perichondrium is a layer of fibroconnective tissue surrounding - Answers - most
cartilage
The internal lining of the esophagus and adult vagina is - Answers - stratified squamous
epithelium
Tendons and ligaments consist primarily of the protein - Answers - collagen
What tissue type forms the stroma of organs such as the spleen and thymus? - Answers
- reticular tissue
Which of the following is not one of the four primary classes of tissue? - Answers -
cartilagenous tissue
What tissue type is found in the serous membranes that form the surface of the
stomach and intestines? - Answers - simple squamous epithelium
A tissue specialized for energy storage and thermal insulation is - Answers - adipose
tissue
Which type of intercellular connection facilitates passage of electrical signals between
cardiocytes that enables a coordinated heart beat? - Answers - gap junctions
Study of the microscopic structure of tissues and organs is called - Answers - histology
The term "tubuloalveolar" is used to describe - Answers - an exocrine gland
A common example of a unicellular gland is - Answers - a goblet cell
The type of hair covering the fetus is - Answers - lanugo
The most external layer of a hair shaft is - Answers - the cuticle
What is a desirable (and healthful) result of exposure to ultraviolet rays of the sun? -
Answers - increased production of Vitamin D
,Which cutaneous glands develop as outgrowths of hair follicles? - Answers - sebaceous
and apocrine glands
What occurs in the stratum granulosum? - Answers - keratinocytes undergo apoptosis
A second-degree burn - Answers - involves epidermis and part of the dermis and may
produce blisters
The dermal papilla of a hair is found in its - Answers - bulb
Which of the following is not a function of the skin? - Answers - synthesis of vitamin C
The reticular layer of the dermis consists of which kind of tissue? - Answers - dense
irregular connective tissue
When cats fight, their fur rises through the action of - Answers - arrector pili muscles
The epidermis differs from the inner lining of the esophagus in that the epidermis -
Answers - is cornified/keratinized
The synthesis of _______ depends on the penetration of ultraviolet light through the
epidermis. - Answers - vitamin D
In thin skin, the _____ is not visible. - Answers - stratum lucidum
The _____ forms by endochondral ossification. - Answers - humerus
Which bone houses the middle and inner ear? - Answers - temporal
The foramen ovale is found in which bone? - Answers - the spenoid
Which bone in adults would produce blood cells? - Answers - sternum
The sphenoid has all of the following features except - Answers - a pterygoid canal
The vestibulocochlear nerve passes through which of the following openings? -
Answers - internal acoustic meatus/canal
Which of the following is not a facial bone? - Answers - the ethmoid bone
Which bone does not contribute to the formation of the eye orbit? - Answers - temporal
Most bones develop from - Answers - hyaline cartilage
The lacunae of bone contain - Answers - osteocytes
,In the development of the skeleton,what typically occurs at the ages of 18 to 25? -
Answers - the epiphyseal plates fuse
How are the processes of adjacent osteocytes joined? - Answers - gap junctions
A failure of chondrocytes to multiply and enlarge in the metaphysis results in which of
the following conditions? - Answers - achonddroplastic dwarfism
A/an _____ covers most parts of a bone except for its articular cartilage. - Answers –
periosteum
Nissl bodies are located in the _____ of a neuron - Answers - Soma
Which of the following are true about agonists and antagonists - Answers - 1. Agonists
contract while antagonists relax
2. The quadriceps femoris and the hamstrings are antagonists
Pennate muscles: - Answers - Have a large number of fascicles attached to the tendon
Have short muscle fibers attached to the tendon almost as long as the entire muscle
Have a relatively small ROM but greater power than parallel or fusiform muscles
The right and left sides of the gray matter of the spinal cord are linked by what structure
- Answers - The gray commissure
The brain and spinal cord constitute the _____ Nervous System - Answers - Central
Which glial cells convert glucose to lactate and contribute to nourishment of neurons -
Answers - Astrocytes
The digastric, stylohyoid, and geniohyoid muscles have what in common - Answers - An
attachment on the body of the hyoid bone
The bright red color of skeletal muscle is due mainly to - Answers - myoglobin
Where are neurotransmitter receptors found on the sarcolemma - Answers - Motor end
plate
Compared to skeletal muscle, cardiac muscles differs in that it - Answers - Has
branching cells
Which is not a function of cerebrospinal fluid - Answers - It helps cool the brain
The spinal cord is divided into all of the following regions except - Answers - Pelvic
Where does the spinal cord end - Answers - The medullary cone
, if there is a stroke in the motor portion of the left isde of the brain, it affects muscles on
the right side of the body. Why? - Answers - Because the fibers of the corticospinal
tracts are contralateral
What is found in the central canal of the spinal cord - Answers - Cerebrospinal fluid
One role of the astrocytes is to - Answers - Help form the blood brain barrier
There is a homunculus on the precentral gyrus. The reason the hand region of the
homunculus is so large relates to the fact that - Answers - we have numerous motor
units associated with finger movement
One sarcomere contains all of the following except - Answers - Myofibrils
In skeletal muscle, the sarcoplasmic reticulum - Answers - releases Ca2+ to trigger
contraction
IN the absence of ATP or if ATP cannot be produced by a muscle cell - Answers -
Muscle contraction will not take place
A muscle will exist in a state of rigor
The corpus callosum is composed of - Answers - Commissural Fibers
If the name of a spinal tract begins with the root spino- - Answers - It is a sensory
pathway
Which is a correct statement in regards to that stupid H-zone model - Answers - Thick
and thin filaments are arranged into sacromeres
A myofiber contains myofibrils
A myofibril contains thick and thin filaments
The loss of muscle mass from disuse is called - Answers - Atrophy
Nerve fiber tracts that cross over from one side of the body to another are said to -
Answers - Decussate
The close association of sarcoplasmic reticulum and Transverse tubules is called a -
Answers - Triad
Synaptic vessicles are found on the - Answers - Synapttic Knob
Myelin consists mainly of - Answers - Phospholipids
Th neurons that stimulate a muscle fiber to contract is known as - Answers - A somatic
motor neuron
