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ISB204
Exam 3
215
Biology
Undergraduate 1
12/11/2010

Additional Biology Flashcards

 


 

Cards

Term
What are the two parts to the human skeleton?
Definition
Axial and perpendicular
Term
The axial skeleton consists of what parts of the human skeleton?
Definition
Skull, vertebral column, sternum and rib cage
Term
What parts of the human skeleton are in the appendicular skeleton?
Definition
Pectoral girdle (shoulders), pelvic girdle (pelvis), and the limbs
Term
What heals bone fractures?
Definition
Fibroblasts and osteoblasts
Term
Which of the bone functions provides a rigid framwork that supports soft tissues?
Definition
Support
Term
Which of the following is not part of the axial skeleton?
Definition
Limbs
Term
The human body is made up of approximately how many bones?
Definition
206
Term
A fluid-filled sac that cushions certain joints and reduces friction between tendons and ligaments is called a
Definition
Bursa
Term
Who most commonly suffers from osteoporosis?
Definition
Elderly women
Term
How many parts is the human skeleton divided into?
Definition
2
Term
Inflammation of the synovial membrane which results in accumulation of synovial fluid in the joint and constant irritation that can destroy the cartilage.
Definition
Rheumatoid Arthritis
Term
Which are the smallest facial bones?
Definition
Lacrimal Bones
Term
Which of the following happens during prophase?
Definition
Changes occur in the nucleus as well as the cytoplasm
Term
Which of the following is not a bone function?
Definition
Transport blood
Term
Bone fractures are healed by?
Definition
Fibroblasts and osteoblasts
Term
The vertical column is made up of how many sections?
Definition
5
Term
The skeleton is a framework of bone and cartilage that performs which of the following functions?
Definition
All of the above
Term
Bone forming cells are called
Definition
Osteoblasts
Term
Which of the following is not a classification of vertebrae?
Definition
Pelvic
Term
Which of the following is not a facial bone?
Definition
Ethmoid
Term
In sequence, organize the vertebral column from top to bottom
Definition
Cervical, thoracic, lumbar, sacrum, coccyx
Term
Which of the following is not true about bones
Definition
Bones are muscle tissue
Term
Which of the following is not a function of the skeleton
Definition
Hormone production
Term
The phalanges are located in the
Definition
Hands and feet
Term
The purpose of osteoblasts is to
Definition
Deposit new bone in response to stress
Term
Bone growth is stimulated by growth hormone from the
Definition
Anterior Pituitary Gland
Term
What is the bone that forms the forehead and the front of the brain case called?
Definition
Frontal bone
Term
Which of the following is not one of the functions of the skeleton?
Definition
Preventing change in body temperature
Term
What hormone plays a role in bone remodeling in women?
Definition
Estrogen
Term
Where do blood cells form?
Definition
Red marrow
Term
Movement of a body part away from the body midline is an example of
Definition
Abduction
Term
A general term referring to joint inflammation
Definition
Arthritis
Term
The axial skeleton includes all of the following except
Definition
The heart
Term
Which is not a kind of muscle
Definition
Biceps
Term
The skeletal muscle is also called
Definition
Striated
Term
Which one of these things are not true about common traits each muscle has
Definition
Muscles are not extensible
Term
Muscular dystrophy happens when
Definition
To many calcium ions enter the cell
Term
Skeletal muscle is also called
Definition
Striated (striped) muscle
Term
What are calcium ions stored in?
Definition
Sarcoplasmic reticulum
Term
What is the tip of a motor neuron and a skeletal muscle called?
Definition
Neuromuscular junction
Term
What is the difference between fast-twitch muscle cells and slow-twitch muscle cells?
Definition
Slow-twitch muscle cells are designed for endurance and fast-twitch muscle cells are designed for rapid, powerful response
Term
The body has more than ____ skeletal muscles.
Definition
600+
Term
A motor neuron and all the muscle cells it stimulates are called a
Definition
Motor unit
Term
How many kinds of muscle are there?
Definition
3
Term
Which is true of muscles?
Definition
All of the above
Term
What causes Duchenne Muscular Dystrophy?
Definition
A defective gene for production of the protein dystrophin
Term
How many high school students said they have used anabolic steroids to reach their athletic goals?
Definition
65%
Term
The contractile unit of skeletal muscles is called a
Definition
Sarcomere
Term
The biceps brachii
Definition
bends forearm at elbow, rotates hand
Term
A single contracting muscle cell can require as much as 600 _________ ATP.
Definition
trillion
Term
Which of the following is a trait that all muscles have in common?
Definition
All of the above
Term
Tiny cylindrical inpocketings of a muscle cell's plasma membrane, which are scattered through the cell, are known as
Definition
Transverse tubules
Term
A band of connective tissue that connects muscle to bone is called a
Definition
Tendon
Term
Muscle contractions are controlled by the availability of
Definition
Calcium ions
Term
A constant, powerful contraction is called a
Definition
Tetanus
Term
The muscle that raises the arm is called the
Definition
Deltoid
Term
The sortorius
Definition
Bends the lower leg
Term
In a muscle, energy is stored in the form of
Definition
Creatine phosphate
Term
The skeletal muscle is also called the
Definition
Striated muscle
Term
Muscles get larger when they are repeatedly made to exert more than _______% of their maximum force
Definition
75%
Term
In order to build muscle tone and mass, how much of your muscles maximum force must be exerted?
Definition
Over 75%
Term
What are the glial cells also known as?
Definition
Schwann cells
Term
The junction between a neuron and another cell is called
Definition
Synapse
Term
What is the first event that occurs in the synapse as the message is sent from one neuron to the next
Definition
The nerve impulse reaches the axon ending of the presynaptic neuron
Term
Synaptic transmission is communication between
Definition
Neurons
Term
The _____ neurons conduct information toward the brain and spinal cord. These neurons generally extend from sensory receptors.
Definition
Sensory
Term
What is the function of the myelin sheath?
Definition
Insulate the axon and to increase the speed of nerve impulses
Term
Which neurons conduct information toward the brain and spinal cord?
Definition
Sensory neurons
Term
When an action potential reaches the end of the axon, a chemical is released from the axon's tip. That message is then conveyed to the adjacent cell. That chemical is called
Definition
Neurotransmitter
Term
Which is NOT a characteristic of Parkinson's disease?
Definition
Vomiting
Term
What two things are bundles together to form nerves?
Definition
Axons and dendrites
Term
What category of neurons conducts information toward the brain and spinal cord?
Definition
Sensory
Term
What category of neurons carries information away from the brain and spinal cord?
Definition
Motor
Term
The receiving part of a neuron is composed of what two portions?
Definition
Cell body and dendrites
Term
What is the period called in which a neuron cannot fire?
Definition
Refractory period
Term
Also known as glial cells, these support and protect neurons.
Definition
Neuroglial cells
Term
What is a nerve?
Definition
A bundle of parallel axons, dendrites, or both arising from many neurons
Term
What is the insulating outer layer of an axon that also increases its rate of conduction and helps its repair?
Definition
Myelin sheath
Term
The junction between a neuron and another cell is called a
Definition
Synapse
Term
What does the sensory neurons conduct information towards?
Definition
Brain and spinal cord
Term
All of the following steps are included in the reflex arc EXCEPT
Definition
The frontal lobe is stimulated causing swallowing
Term
Which of the following is the three general categories of neurons
Definition
Sensory, motor, interneurons
Term
When neurons respond to an incoming signal, the message is translated along the what?
Definition
Axon
Term
What type of neuron generally extends from sensory receptors and conducts information toward the brain and spinal cord?
Definition
Sensory neuron
Term
A neuron may have up to as many as _________ synapses at which it receives input from other neurons.
Definition
10,000
Term
A neuron has many short, projecting branches called
Definition
Dendrites
Term
These receive information from other neurons or from the environment
Definition
Dendrites
Term
Between a neuron and another cell, there is a junction which is called
Definition
Synapse
Term
Sensory neurons send information to
Definition
The brain and spinal cord
Term
A neuron has many short, projecting branches called
Definition
Brain and spinal cord
Term
The thalamus functions in all of the follow except
Definition
Digestion
Term
The _______ is the part of the brain responsible for sensory-motor coordination.
Definition
Cerebellum
Term
The central nervous system includes the ______ and the _____.
Definition
Brain, spinal cord
Term
What is the largest part of the brain?
Definition
Cerebellum
Term
Which lobe in the brain is responsible of hearing?
Definition
Temporal lobe
Term
What part of the brain is where memory is stored?
Definition
Cerebrum
Term
Which of the following body processes does the hypothalamus control?
Definition
All of the above
Term
he central nervous system includes the _______ and________ which are made of many closely packed neurons.
Definition
Brain, spinal cord
Term
What is the Pons?
Definition
A bridge between higher and lower brain centers
Term
Which part of the brain is responsible for sensory–motor coordination and stores memory of learned motor pattern?
Definition
Cerebellum
Term
Which of the following parts of the brain is associated with vision?
Definition
Occipital
Term
Which one is NOT true about the hypothalamus?
Definition
Stores memory of learned motor patterns
Term
What is not ture about cerebrospinal fluid?
Definition
It is formed by the tight junctions between the celss of the capillary walls.
Term
What is the death of nerve cells caused by an interruption of blood flow to a region of the brain?
Definition
Strokes
Term
What is the false statement?
Definition
The autonomic nervous system governs conscious sensations and voluntary movements.
Term
All of the following are parts of the brain except
Definition
Sector thermal
Term
"Pons" connect lower portions of the CNS with higher brain structures. What does the word "pons" literally mean?
Definition
Connect
Term
What is the largest part of the brain?
Definition
Cerebrum
Term
What are common disorders of the nervous system?
Definition
Headaches, comas, and spinal cord injuries.
Term
Spinal cord injury results in
Definition
impaired function below the site of the injury
Term
Which is not a structure of the brain?
Definition
Adrenal gland
Term
The spinal cord extends about
Definition
45cm
Term
This term refers to the brain and spinal cord
Definition
Central Nervous System
Term
Which brain part allows left and right cerebral hemispheres to communicate with one another?
Definition
Corpus collosum
Term
Which of the following is the correct statement?
Definition
The limbic system is involved in emotions and memory
Term
The hypothalamus
Definition
Is the center for emotions
Term
A disorder of the nervous system is
Definition
All of the above
Term
Sedatives are drugs that ______________ the CNS.
Definition
Depress
Term
Which of these drugs is an opiate?
Definition
Heroine
Term
The meninges, which form a protective cover over the brain and spinal cord, consist of how many layers?
Definition
3
Term
Which of the following does not help to protect the central nervous system?
Definition
The pelvic girdle
Term
Which of these are a class of receptors?
Definition
All of the above
Term
A cloudy or opaque lens, reduces visual acuity and may be caused by glucose accumulation associated with Type 1 diabetes, excessive exposure to sunlight, and cigarette smoke is
Definition
Cataract
Term
The optic nerve does which of the following?
Definition
Carries the message from the eyes to the brain
Term
What is not a part of the classes of receptors?
Definition
Vision receptors
Term
What does not make up the middle ear?
Definition
Esophagus
Term
An estimated _____ million Americans have some degree of hearing loss
Definition
28
Term
The receptors responsible for color vision are _____.
Definition
Photoreceptors
Term
What receptor is responsible for detecting change in light intensity?
Definition
Photoreceptors
Term
The pigment in rods, called __________, is packaged in membrane-bound disks that are stacked like coins in the outer segment of the rod.
Definition
Rhodopsin
Term
The ear has three main parts. Which one functions as the transmitter?
Definition
Inner ear
Term
How many types of olfactory receptors do we do?
Definition
1,000
Term
There are five types of sensory. __________ are responsible for the sensations we describe as touch, pressure, hearing, and equilibrium.
Definition
Mechanoreceptors
Term
Which part of the ear serves as an amplifier?
Definition
Middle ear
Term
Which of the following is/are NOT considered as the general senses?
Definition
Hearing
Term
Which of the following senses of taste are not responsible for taste buds?
Definition
Hot
Term
Which is not apart of the inner ear?
Definition
Pinna
Term
When there is an obstruction that prevents sound from traveling to the middle and inner ear, what happens?
Definition
A person experiences conductive hearing loss
Term
Cones function in ______ vision, while Rods function in__________vision
Definition
Color, black and white
Term
How many bones are in the middle ear?
Definition
3
Term
Why constitutes being farsighted?
Definition
Able to see distant objects more clearly than close ones, and your eyeball is too short
Term
What is myopia?
Definition
Distant objects out of focus
Term
What is the auditory tube?
Definition
A canal that connects the middle eat cavity with the upper region of the throat.
Term
Why do we have a blind spot in our vision?
Definition
That is where the optic nerve attaches to the eye, and there are no photoreceptors in that area
Term
All of the following are general senses except
Definition
Smell
Term
What does the middle layer of an eye contain?
Definition
Pupil
Term
What does the outer layer of an eye contain?
Definition
Cornea
Term
What does the inner layer of an eye contain?
Definition
Retina
Term
Changes in DNA are called
Definition
Mutations
Term
A field in which scientists make controlled use of living cells to perform specific tasks is known as:
Definition
Biotechnology
Term
What is similar about DNA and RNA?
Definition
They are nucleic acids
Term
Which of the following RNA is used for carrying DNA's information in the sequence of its bases from the nucleus to the cytoplasm?
Definition
mRNA
Term
How many bases are there on a single tRNA?
Definition
3
Term
Where are amino acids built into proteins?
Definition
Ribosomes
Term
Each original strand serves as a template for a new strand during
Definition
Replication of DNA
Term
DNA is a double helix consisting of
Definition
Two strands of nucleotides
Term
What is the Central Dogma?
Definition
DNA -> RNA -> Protein
Term
Transcription is ________ synthesis
Definition
RNA
Term
The first step in converting the DNA message to a protein is to copy the message as RNA, by a process called
Definition
Transcription
Term
Changes in genes are called ____
Definition
Mutations
Term
DNA and RNA are both
Definition
Nucleic acids
Term
Which of these three stages are not part of protein synthesis?
Definition
Anticodon
Term
What is spliced together to form the mature mRNA that is translated into a protein?
Definition
Exon
Term
A codon is located on
Definition
mRNA
Term
In Double Stranded DNA the templates are mixed with all of the following except?
Definition
Single strand
Term
__________ engineering allows a gene for a trait considered useful by humans to be taken from one species and transferred to another species.
Definition
Genetic
Term
DNA and RNA are similar in that they both
Definition
have a sugar phosphate backbone.
and are double-stranded.
Term
Which of the following is NOT correct?
RNA and DNA are similar because
Definition
they both function primarily in the nucleus
Term
Changes in DNA are called
Definition
Mutations
Term
The "language" of genes that translates the sequences of bases in DNA into the specific sequence of amino acids in a protein is called the
Definition
Genetic code
Term
Adenine pairs with
Definition
Thymine
Term
What is a change in the nucleotide sequence of DNA?
Definition
Mutation
Term
A _____, is a population or group of populations whose members are capable of successful interbreeding.
Definition
Species
Term
What is the study of the geographic distribution of organisms?
Definition
Biogeography
Term
The fossil record provides evidence of_____.
Definition
Evolution
Term
A _______ is a population or group of populations
whose members are capable of successful interbreeding
Definition
Species
Term
Macroevolution is
Definition
Large scale evolutionary change over longer periods of time
Term
An individual's fitness refers to
Definition
The number of their genes represented in future generations
Term
Which of the following is NOT true about fossils?
Definition
Fossils are very abundant and easy to find
Term
Which of the following molecules is most critical to the development of cells?
Definition
Genetic material
Term
Evolution that results from changes at the genetic level is called?
Definition
Microevolution
Term
What is the only source for brand new genetic information?
Definition
Mutation
Term
Which is the correct order of classification categories from NARROWEST to BROADEST?
Definition
Species, family, subphylum, phylum, domain
Term
Who is (or, more accurately, was) Lucy?
Definition
A young female of the hominin species Australopithecus afarensis
Term
Which of the following are steps of the fossilization process?
Definition
All of the above
Term
Causes of microevolution include
Definition
All of the above
Term
Which of the following are the levels on which evolution occurs?
Definition
A and D (microevolution and macroevolution)
Term
Which one of the following is true about Charles Robert Darwin?
Definition
Father and Grandfather were physicians and scientists
Term
What is the first of the sequence for fossilization?
Definition
An organism dies underwater
Term
Which of following is the wrong statement?
Definition
The human population is increasing, the rate of growth is increasing, too
Term
What's the definition of Eugenics?
Definition
A science that deals with the improvement (as by control of human mating) of hereditary qualities of a race or breed
Term
Which of these is NOT part of the sequence for fossilization?
Definition
All of the above
Term
Which of the following hominid types is considered the first to begin using tools?
Definition
Homo habilus
Term
Which of these is NOT a characteristic of primates?
Definition
Large litter size
Term
What occurs through changes in allele frequencies within a population over a few generations?
Definition
Microevolution
Term
The term hominin refers to
Definition
The human lineage and its immediate ancestors
Term
Convergent evolution can result in
Definition
Analogous structures
Term
Rare changes in DNA are known as
Definition
Mutations
Term
What is the name of the process in which overfarming and overgrazing transform marginal farmland to desert?
Definition
Desertification
Term
What is the name for the measure of the amount of productive land and water required to support a person or population based on its consumption level?
Definition
Ecological footprint
Term
Which of the following is helpful to predict future growth?
Definition
Age structure
Term
What is the name for the measure of the amount of Carbon Dioxide entering the atmosphere due to a person or nation’s dailty activites?
Definition
Carbon footprint
Term
What is a carbon footprint?
Definition
he measure of the amount of carbon dioxide entering the atmosphere due to a person's or nation's daily activities
Term
How populations change in size is defined as ____
Definition
Population dynamics
Term
Carrying capacity is NOT determined by ____
Definition
Mates
Term
Deforestation is defined as
Definition
removal of trees from an area without replacing the trees
Term
Population dynamics is is described as
Definition
How populations change in size
Term
The relative number of individuals of each age is
Definition
Age structure
Term
Population dynamics describe how _____ change in ____.
Definition
Population, size
Term
Which of the following can be the best example of density independent?
Definition
Earthquake
Term
What does Depletion of Resource include?
Definition
All of the above
Term
Which is NOT the influence that Global Warming brings to us?
Definition
Coastal cities could never flood
Term
Which of the following is an astigmatism?
Definition
Visual image is distorted
Term
What one of these is not a special sense?
Definition
Touch
Term
Which of these is not a class of receptors?
Definition
Audioreceptors
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