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Unit 1 - Unit 4

A&P I

TermDefinition
Our sensory receptors have a limited range within which they can respond to stimuli.
Alpha cells, Beta Cells, Delta Cells → Pancreas,
T3, T4, Calcitonin → Thyroid,
GH, PRL, TSH, ACTH, FSH, LH/ISCH, MSH, Vasopressin, Oxytocin → Pituitary (ADH and Oxytocin = Posterior pituitary gland)
, estrogen, progesterone, tesosterone, inhibin → gonad,
aldosterone, cortisol, cortisone, androgens, epinephrine, norephinephrine → Adrenal,
melatonin → pineal,
Parathormone → Parathyroid,
Thymosin → Thymus
Which of the following hormones requires a releasing hormone from the hypothalamus for its secretion? Prolactin
Another name for antidiuretic hormone is vasopressin.
Melanocyte-stimulating hormone, which regulates the formation of melanin, is produced by the intermediate lobe of the pituitary gland.
Special sense structure mainly involved with dynamic equilibrium: Semi-circular canals
Special sense structure mainly involved with vision: Retina
Special sense structure mainly involved with hearing: Cochlea
Special sense structure mainly involved with static equilibrium: Vestibule
Special sense structure mainly involved with detecting the flavor of food: Taste bud
The "window" of the eye that is also the most anterior part of the eye: Cornea
Middle layer of the eye wall that contains blood vessels and pigments that prevent stray light from reflecting within the eye: Choroid
Olfactory and gustatory receptors are types of: Chemoreceptors
Connects directly to the pharynx to allow pressure equalization for the middle ear: Auditory/eustachian tube
Senses muscle stretch: Muscle spindle
Sensory receptors include photoreceptors. Chemoreceptors mechanoreceptors.
Part of the brain stem that contains powerful pain suppression centers: Midbrain
Even in the dark, I know I stubbed my right toe and not my left. Why? Sensory projection
Man, that bathroom was a sack of farts! But, after a minute, I didn't even notice it anymore. What happened? Sensory adaptation
Oxytocin is administered to women following childbirth to stimulate uterine contractions.
Hormone secreted from the posterior pituitary: ADH and Oxytocin
Hormone secreted from the adrenal cortex: Aldosterone
Hormone that stimulates the testis in males and the ovaries in females: Follicle stimulating hormone stimulates egg production in women and sperm production in males,
Hormone that stimulates kidneys to conserve water: Antidiuretic hormone
Hormone that elevates blood glucose: Glucagon
Hormone that contracts the uterus in a positive feedback cycle during child birth: Oxytocin
Hormone from the thyroid gland that increases basal metabolic rate: T3
Hormone that elevates blood calcium: Parathyroid hormone
Pain receptors are NOT located in the brain
Receptors for the special senses are found primarily in the head.
A person’s view of the stimulus and the way the brain interprets the information perception.
Sensory receptors include photoreceptors. mechanoreceptors. Chemoreceptors
Living near a railroad track and no longer hearing the train would be a good example of; sensory adaptation.
The sequence of information flow in response to biting into a slice of pizza is sensory receptors activated, impulse sent to CNS, sensation, perception.
Max returns to his dorm room late at night to find his roommate throwing up. The smell is at first so bad that Max wants to vomit too, but after helping his roommate clean up, the odor seems to fade. Max has experienced sensory adaptation.
Warm receptors are sensitive at ______ and unresponsive at _____ degrees F. 77 and 113
Olfactory receptors, which provide the sense of smell, are chemoreceptors.
A sensation is ______, and projection of a sensation is the ______. a feeling that results from sensory stimulation; brain causing it to seem to come from the receptors being stimulated
Which of the following are paired correctly? Thermoreceptors—stimulated by temperature changes Photoreceptors—stimulated by light Pain receptors—stimulated by damage to tissues
Henry has hereditary sensory and autonomic neuropathy. Which means he does not experience pain. Therefore he lacks nociceptors.
Another name for pain receptors is nociceptors.
What role does the thalamus play in regulation of pain? Allows person to be aware of pain
General Senses include all of the following except; hearing
"Endocrine" means internal secretion.
The specificity of hormone action derives from target cell receptors that are unique for each hormone.
Hormones help regulate water and electrolyte balance and blood pressure. regulate metabolism. have functions in growth, reproduction, and development.
Compared to the nervous system, the endocrine system may have a longer lasting effect.
Hormones that the posterior pituitary secretes are synthesized in the hypothalamus.
Down-regulation of a target cell can occur in response to prolonged increase in the level of a hormone.
__________ controls hormone concentrations. Negative feedback
The posterior lobe of the pituitary gland secrete antidiuretic hormone.
Growth hormone increases the rate of fat metabolism. enhances the movement of amino acids into cells. increases the rate of protein synthesis.
Receptors for the general senses are found widely distributed throughout the body.
Receptors for the special senses are found primarily in the head.
The brain interprets input from sensory receptors as perception.
System that functions to signal other body parts by releasing hormones: Endocrine
Water molecules tend to interact with each other via __________ bonds. Hydrogen
If a red blood cell is placed in a hypotonic solution: The cell will swell and may burst
The 2 major components of the cell membrane: Phospholipids and proteins
A major characteristic of life: Reproduction
Word segment that means "wall": Pariet-
Acids are defined by releasing this species into solution: H+
Negatively charged subatomic particles that orbit the nucleus: Electrons
Bond that forms due to the electrostatic attraction between atoms after the complete transfer of electrons between a donor and a recipient: Ionic
Atomic number indicates the number of __________ in an atom. Protons
Plane of section that divides the body into superior and inferior portions: Transverse
Body region known as the armpit: Axillary
Lysosomes are best described as: A membranous sac that is the "garbage disposal" of the cell since it contains powerful enzymes that can breakdown foreign substances
Part of the cell cycle when DNA replicates: Interphase
Variations of an element whereby atoms may have different atomic weights due to different numbers of neutrons: Isotopes
Body region known as the back (bend) of the knee: Popliteal
Enzymes are known as biological __________. Catalysts
Cavity that contains the brain: Cranial
Cephalic region refers to the: Head
Characteristic of life that involves being able to react to stimuli: Responsiveness
The knee is __________ to the foot. Superior
Compounds are: Molecules made up of more than one kind of element
Organization category one level more complex than cells: Tissues
Building blocks (monomers) of nucleic acids: Nucleotides
Cell membranes are mostly made of: Phospholipids
Term that means to maintain a relatively stable internal environment: Homeostasis
The cranial cavity and the vertebral canal make up the __________ body cavity. Dorsal
System that functions to move body parts, protect against trauma, and generate most of our body heat: Muscular
Word segment "-stasis" means: Standing still
System mainly responsible for producing body movement and most of our body heat: Muscular
Definition of homeostasis: Maintaining a relatively stable internal environment
Water is a polar molecule, which means: It has partial positive and partial negative ends
Atoms that lose electrons tend to become: Positively charged
Plane of section that divides the body into equal right and left portions: Midsagittal
Characteristic of life that involves creation of a whole new organism: Reproduction
The strongest bond: Covalent
One of the 4 most abundant elements in the human body: Hydrogen
Plane of section that divides the body into anterior and posterior portions: Frontal
Chemical reaction when a larger molecule breaks down into smaller molecules: Decomposition
Chemical reaction when the parts of 2 different molecules trade positions: Exchange
Neutral pH: 7
Building blocks (monomers) of proteins: Amino acids
"Control center" of the cell that contains our genetic information: Nucleus
Chemical bond that involves the electrostatic attraction between charged atoms after the complete transfer of electrons from one atom to another: Ionic
Ribosomes are best described as: A small organelle with enzyme function that joins amino acids together to form proteins
Phase of mitosis when new nuclear envelopes form around the separate daughter chromosomes that unwind back to chromatin: Telophase
The sternum (breastbone) is __________ to the vertebral column (backbone). Anterior
"Packaging & shipping center" of the cell responsible for distributing proteins to their final destinations: Golgi apparatus
Smooth endoplasmic reticulum is mainly involved with: Lipid and carbohydrate synthesis
Skin, heart, and brain are examples of the __________ level of organization. Organ
Genetic information is stored in macromolecules known as: Nucleic acids
Chemical bond that involves sharing pairs of electrons: Covalent
Breakdown of macromolecules into their monomers is an example of this type of reaction: Decomposition
The __________ plane divides the body into superior and inferior portions. Transverse
Anatomical position: Standing erect, facing forward, arms down by sides, feet shoulder width, toes forward, palms forward
The 2-8-8/octet rule describes how __________ fill the __________ of atoms. Electrons; orbits
Body region known as the forearm: Antebrachial
System that mainly acts as a physical barrier to the external environment, and includes structures such as skin, hair, and nails: Integumentary
Body region known as the neck: Cervical
Each proton has a charge of: +1
System mainly responsible for command and control via signaling other body systems, sensory processing, and memory: Nervous
Organization category one level less complex than cells: Organelles
Characteristic of negative feedback in the human body: Tends to correct to a set point
System that functions to move blood and transport its associated nutrients, wastes, hormones, and heat throughout the body: Cardiovascular
Characteristic shared by simple diffusion and facilitated diffusion: Both involve the movement of substances from a region of higher concentration to lower concentration.
Body region known as the bottom of the foot: Plantar
Ultimately determines how a protein is shaped, and therefore how it functions: Amino acid sequence
Ears are __________ to the nose. Lateral
A solution very low on the pH scale tends to be a very strong: Acid
The thoracic cavity and abdominopelvic cavity make up the __________ body cavity. Ventral
The cell membrane is said to be selectively permeable because: It allows only certain substances to pass through
Building blocks (monomers) of carbohydrates: Monosaccharides
Subatomic particle with no charge: Neutrons
Word segment “peri-” means: Around
"Powerhouse" of the cell that generates a large amount of ATP in the presence of oxygen: Mitochondria
Gluteal region refers to the: Buttocks
Site of ribosome subunit production: Nucleolus
Phase of mitosis when the nuclear envelope starts to disappear and chromatin condenses into highly visible chromosomes: Prophase
Term that describes a solution with a solute concentration equal to that inside a cell: Isotonic
Pinocytosis involves ____________, whereas phagocytosis involves ____________. Cell drinking; cell eating
Primary structure of a protein referrers to its: Amino acid sequence
Atomic number is determined by the number of: Protons
Body region known as the front (bend) of the elbow: Antecubital
Major function of lipids: Store chemical energy
The simplest level of organization: to most complex Subatomic particles, atoms, molecules, macromolecules, organelles, cells, tissues, organs, organ systems, organism
System that functions to break down food into smaller substances that can be easily absorbed: Digestive
If the concentration of solute outside a cell is higher than the concentration of solute inside, the cell is in a __________ solution. Hypertonic
The weakest bond: Hydrogen
Phase of mitosis when the chromosomes line up in the middle of the cell: Metaphase
Cranial cavity + vertebral canal: Dorsal body cavity
Variations of an element due to different numbers of neutrons: Isotopes
Normal pH for human blood 7.40
Something on the opposite side of the body: Contralateral
Characteristic of DNA: Tends to be double stranded
The knee is __________ to the foot. Superior
Cervical region refers to the: Neck
Antebrachial region refers to the: Forearm
The ears are __________ to the nose. Lateral
Nucleotide base found in RNA, but not in DNA: Uracil
Transport mechanism that releases the contents of a vesicle to the outside of a cell: Exocytosis
Bond that involves sharing pairs of electrons: Covalent
Plantar region refers to the: Bottom of foot
The __________ plane divides the body into equal right and left halves. Midsagittal
still struggling with chemistry use the URL on the answer part of this flashcard This explains nonpolar covalent
Which of the following is the most diverse tissue type? connective
match the following: moving towards the midline → adduction,
match the following: brings two structures closer together → flexion,
match the following: moving away from the midline → abduction,
match the following: rotating forearm palm downward → Pronation,
match the following: movement of ankle brings foot down towards the ground. → plantar flexion
match the following: Arthr/o → Joint,
match the following: clavicle and scapula → pectoral girdle,
match the following: study of tissue → histology,
match the following: illium, ischium, pubis → pelvic girdle,
match the following: replacement cartilage with bone → ossification
match the following: Olecranon → Point of the elbow,
match the following:som → Body,
match the following: Spondyl/o → Vertebra, vertebrae,
match the following:Oste/o → bone,
match the following: Derm(o) → Skin
Chondr/o → Cartilage,
rotating forearm palm upward → Supination,
moving around an axis. → Rotation,
moves two structures further apart → Extension,
brings two structures closer together → flexion
A burn that destroys only the superficial cells of the epidermis, such as a mild sunburn, is classified as 1st degree burn
Epidermal cells synthesize this vitamin when exposed to sunlight. Vitamin D
The skin is also called the ___ membrane. cutaneous
Skin is protected by a thick, oily substance called ___. sebum
Exposure of the skin to ultraviolet light can increase melanocyte production.
Functions of the skin include; regulating body temperature
The observed differences in skin color reflect the levels of ________ production. melanin
Injections made under the skin are called; subcutaneous injections
The number one way to prevent the spread of disease is ___. handwashing
As cells are pushed from the deeper portion of the epidermis toward the surface they keratinize (die off)
The bones that form the palms of the hands and your knuckles are the metacarpals
Ribs 1-7 are connected directly to the sternum by separate cartilaginous extensions are called ________ ribs. true
The appendicular skeleton contains ________ bones. 126
Ribs that totally do not connect to any part of the sternum, surrounding cartilage, or other ribs, are called ________. floating ribs
Collagen is responsible for firmness, this is why people often get collagen injections to increase firmness and decrease the appearance of wrinkles. True
Risk factor(s) for osteoporosis: Being female and old
Endochondral bones often start off as (during fetal development): Hyaline cartilage models
The major bone breaking cell (demolition team): Osteoclast
Red marrow makes _____, but yellow marrow mainly stores _____. Blood cells; fat
The outer layer of bone (around the bone) that serves as an anchoring point for skeletal muscle: Periosteum
The modified ends of a long bone that are often covered with cartilage: Epiphysis
The dermis contains: Blood vessels
Cylinder shaped shaft of a long bone: Diaphysis
The matrix of bone mainly contains the protein _____ and the mineral _____. Collagen; calcium
The major bone building cell (immature): Osteoblast
The sternum is a type of _____ bone. Flat
L5 is a type of _____ bone: Irregular
The femur is a type of _____ bone. Long
Major function of bones: Store minerals, and protect softer body parts
Hairs grow from the hair: matrix
Nails grow from the nail: Matrix
The most superficial sub-layer of the epidermis whose cells are dead and ready to be shed to the environment: Stratum corneum
The part of hair that is implanted in the skin. Hair root
Major function of nails: Protect fingers and toes
The deepest sub-layer of the epidermis whose cells are alive and actively mitotic: Stratum basale
True about the hypodermis: composed of adipose and connective tissue
The epidermis contains: Melanocytes
Stimulates melanocytes to make more melanin: UV radiation
The method of heat loss that serves as the primary method, in which infrared heat rays escape radiation
The thickest layer of skin: Dermis
The most superficial layer of skin: Epidermis
major function of skin: storage and synthesis of fats and vitamin D Protect against UV radiation . Protect against pathogens . Thermoregulation for normal body temperature
Hair is located over the entire body surface? 'False'.
The ability of a muscle to return to its original length is called ___. elasticity
Carry sensory and motor info to and from the brain → interneurons,
Carry sensory info to brain → afferent neurons,
largest part of brain composed of 4 lobes → cerebrum,
fight or flight → sympathetic,
relays conscious and unconscious thoughts → diencephalon,
, rest and restore → parasympathetic,
Carry motor info to muscles → efferent neurons
controls muscle posture, tone, and balance → , cerebellum
sleeve of loose connective tissue that surrounds the fascicle. → Perineurium,
surrounds individual axons → Endoneurium,
outermost layer of dense convective tissue → Epineurium,
pons, midbrain, medulla oblongata → brainstem
V Trigeminal → Face and mouth touch, chewing
, I Olfactory → Smell,
VIII Vestibulocochlear (auditory) → Hearing, equilibrium, sensation,
XI Spinal accessory → Controls trapezius and sternocleidomastoid muscles and swallowing,
IV Trochlear → Innervates superior oblique muscle, turns eye downward and laterally,
VI Abducens → Turns eye laterally,
III Oculomotor → Eyelid and eyeball movement,
II Optic → Vision,
IX Glossopharyngeal → Taste, senses carotid blood pressure,
X Vagus → Senses aortic blood pressure, slows hear rate, stimulus digestive organs, taste,
VII Facial → Controls most facial expressions, secretion of tears and saliva, taste,
XII Hypoglossal → Movement of tongue muscles
Nerve → Neur/o,
Movement, motion → kinesi/o,
Coordinates muscular activity → Cerebellum,
Most protected brain part → Brainstem,
_____ attach muscle to bone. tendons
The outermost layer surrounding muscle epimysium
The connective fibers around the muscle that divide it into individual compartments perimysium
The part of a skeletal muscle that is attached to a fixed structure is called the _____ origin
An injection given in the upper arm is called a ______ deltoid injection
The innermost layer surrounds each muscle fiber endomysium
Brain covering → mening/o,
Coordination → taxo,
Muscle → my/o,
Stupor → Somn/o,
Tone, tension, stretching → ton/o,
Connects the brain and spinal cord → Medulla,
Ring-like → Sphincter,
Uppermost layer of the brain → Cerebrum
An injection given in the outer thigh muscle is called a vastus latealis injection
An injection given in the buttock is called a gluetus medius injection
Smooth muscles Organ, contract for long periods of time and do not fatigue easily, non striated, involuntary
Skeletal muscles voluntary, contract quickly and fatigue easily, triceps, biceps, striated
Cardiac muscles branched, involuntary, contract quickly and do not fatigue easily, heart, striated
Part of the nervous system that carries sensory information and signals to brain and spinal cord: Sensory division
To increase the strength of contraction of a whole muscle, one can recruit: Motor units
Increased myelination of axons tends to increase: Speed of impulse conduction
Major contributors to resting membrane potential includes ____________________ and non-gated ion channels. Na+/K+-ATPase pumps
Neurons with resting cell membranes tend to have: More sodium ions outside than inside
Time when threshold stimulus does not start another action potential Absolute refractory period
Time when stronger threshold stimulus starts another action potential Relative refractory period
True about an EPSP: Action potential of postsynaptic neuron becomes more likely
True about an IPSP: Action potential of postsynaptic neuron becomes less likely
The central nervous system (CNS) consists of the brain and spinal cord.
The meninges consist of the pia mater, arachnoid mater, and dura mater.
Cerebrospinal fluid is clear liquid that nourishes and bathes the brain and spinal cord
The innermost meninges that contains blood vessels and nerves is ____. pia mater
Cerebrospinal fluid informs the autonomic centers in the brainstem and hypothalamus about the internal environment. protects the brain and spinal cord. provides a pathway for waste to enter the blood.
Major function of muscle: Generate body heat Move body parts
Connective tissue layer that immediately surrounds muscle fibers (cells) inside a fascicle Endomysium
The neurotransmitter that stimulates skeletal muscle contraction: Acetylcholine
Ca2+ binds to __________ which moves __________ out of the way so that muscle can contract. Troponin; tropomyosin
The site on the folded sarcolemma where ACh binds is Motor-end-plate
The thin sheath of fibrous tissue surrounding each muscle holding it in place. Fascia
Major cause of muscle fatigue: Lactic acid
The biceps brachii flexes the elbow. The triceps brachii extends the elbow. These muscle are _____ to each other. Antagonists
The biceps femoris flexes the knee. The semitendinosus also flexes the knee. These muscle are _____ to each other. Synergists
Definition of a motor unit: One motor neuron and all the muscle fibers it controls
Neurons connect in a circuit and are stimulated over and over again. These actions create short term (working) memory
The outermost meninges that composed of tough dense connective tissue is the __. dura mater
Meninges located in the middle resembles cob webs. arachnoid mater
The outermost layer of the cerebrum composed of gray unmeylinated mater is called the ___. Cerebral cortex
The area in the frontal lobe responsible for speech production. broca's
The area in the temporal lobe that allows you to understand written and spoken language. wernicke's
The lobe of the brain that allows for; Concentration, planning, problem solving, judging consequences of behavior, and voluntary skeletal muscles frontal
The lobe of the brain that; Interpret temperature, touch, pressure, and pain of the skin. It also allows you to understand speech and use words to express your thoughts and feelings. parietal
The lobe of the brain that; controls hearing, interpreting sensory experiences and remember visual scenes, music, and other complex sensory patterns. temporal
The lobe of the brain that; controls vision, combine visual images with other sensory experiences occipital
The lobe of the brain that; processes taste information, Translates sensory info to proper emotional responses. insula
The Dominant lobe of the brain controls all of the following verbal . analytics lanuage
The Non dominant hemisphere of the brain controls all of the following motor task non verbal task understanding and interpreting music and patterns
Part of the nervous system that carries signals to smooth muscles and glands: Autonomic motor division
When ________ memory is obtain the shape and function of the neurons change. long term memory
The ________ of the limbic system determines what type of the information you are exposed to and files in that corresponding lobe of the brain. hippocampus
Stage of sleep when dreaming occurs. REM
Stage of sleep that restful and dreamless. Non REM
Pathway for ascending and descending information from the body to and from the brain. spinal cord
An automatic, subconscious response to stimuli within or outside of the body. reflex
These nerve tracts are pink and send sensory impulses to the brain. ascending tract
These nerve tracts are light brown and conduct motor impulses from the brain to motor neurons reaching muscles and glands. descending tracts
This division of the ANS is known as the fight or flight. It prepares you during a stressful situation. Sympathetic
This division of the ANS is known as the rest and digest it restores peace after a stressful situation. parasympathetic
Myelination is fatty substance that speeds up conduction
The ability of a muscle to reduce the distance between the parts of its contents is ___. contractibility
The innermost layer surrounds each muscle fiber endomysium
These nerve tracts are pink and send sensory impulses to the brain. ascending tract
These nerve tracts are light brown and conduct motor impulses from the brain to motor neurons reaching muscles and glands. descending tracts
Myelination is fatty substance that speeds up conduction
Part of the central nervous system (CNS): Spinal cord
Reflexes help to control respiratory rate. heart rate and blood pressure. digestive activities.
Connective tissue layer that immediatelysurrounds muscle fibers (cells) inside a fascicle Endomysium
The lobe of the brain that allows for; frontal
An automatic, subconscious response to stimuli within or outside of the body. reflex
Created by: KRYSMI7550
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