Straighterline A&P 1 Cumulative Final
The inguinal region is commonly known as the
Groin
An increase in the number of cells is
Growth
An organ is
a structure composed of several tissue types
Exposure to ultraviolet light causes the skin to darken by stimulating the
activity of the enzyme tyrosinase
a biaxial joint has movement
around two axes at right angles to one another
How do most water-soluble hormones travel in the bloodstream?
as free hormones
A neuroglial cell that is a major component of the blood-brain barrier is the
astrocyte
Chromosomes that are NOT associated with sex determination are known as
autosomes
The sternum is part of the
axial skeleton
A passageway connecting neighboring osteocytes in an osteon is a
canaliculus
An organic molecule such as a vitamin that makes an enzyme functional is called a/an
coenzyme
What type of gene expression are ABO blood types and example of?
codominance
The genotype WW is best described as
homozygous dominant
Physiological contracture
is a condition in which cross-bridges cannot release
The pelvic diaphragm is formed by the
levator ani and coccygeus muscles
A synchondrosis
may be temporary
Toward the midline of the body is
median
An organism's ability to use energy in order to swim is an example of
metabolism
The motor neurons responsible for making a fist are
multipolar
A fracture of the cribriform plate might injure the _____cranial nerve.
olfactory
What type of covalent bond is formed between amino acid molecules during protein synthesis?
peptide bond
The covering of the outer surface of bone is the
periosteum
All of the following processes can move substances out of a cell EXCEPT
phagocytosis
What type of hormone-receptor action allows insulin to move glucose into cells
phosphorylation of intracellular proteins
The correct pathway from impulses leaving the retina is
photorecepotrs, bipolar cells, ganglion cells, and optic nerve
Eicosanoids
play a role in the response of tissues to injuries
A mutation involving a single nucleotide is a _______ mutation
point
Which of the following is NOT a function of carbohydrates in the body?
protection
Which of the following organic groups does hemoglobin belong to?
protein
Magnetic resonance imaging is based on the movement of
protons in a magnetic field
The opposite of retraction is
protraction
The function of a bursa is to
provide a fluid filled cushion that reduces friction
Microtubules
provide structure and support of the cytoplasm
The shoulder is _______ to the elbow
proximal
Flexion of the thigh is a movement produced by the
psoas major and iliacus
Which of the following definitions best describes the timbre of sounds?
resonance quality
Turning a structure around its longitudinal axis is called
rotation
Osteoclasts have projections that cause bone resorption called
ruffled borders
The amount of body area involved with a burn is determined by the
rules of nines
In which layer of the epidermis are granules of keratohyalin formed?
stratum granulosum
Rotating the forearm so that the palm faces anteriorly is called
supination
Concentric contractions occur when
the muscle produces increasing tension as it shortens
Which of the following terms does NOT relate to the mitochondria
vitamin A storage
This condition involves the development of white patches on the skin caused by the loss of melanocytes
vitiligo
A gland with branching ducts that end in acini would be classified as
compound acinar
Electrolytes are substances that
conduct electricity when dissolved in water
Lipid-soluble hormones can be more easily excreted once they have water-soluble molecules added to their structure in a process called
conjugation
A general characteristic of connective tissue is that it
consists of cells with much intercellular material (matrix) between them
A proper definition of muscle tone is
constant tension produced by muscles for long periods of time
The middle portion of the primary motor area
contains motor neurons for arms and forearms
Upper motor neurons
control skeletal muscles
A primary function of the cerebellum is to
coordinate movement
What type of connective tissue is found in the walls of large arteries?
dense irregular elastic tissue
Stretch marks develop on the abdomen of pregnant women because of stretching and rupture of the
dermis
The pyramids of the medulla contain
descending motor tracts
Which of the following activities would represent a physiological study?
determining normal blood sugar levels for 20-year-old students
An X-ray determines that Peter fractured the shaft of his humerus. The break is in the _____________ of the bone
diaphysis
Damage to the muscle called the levator ani would result in
difficult defecation and decreased support for the pelvic viscera
When acetylcholine binds with nicotinic receptors, the response is
excitatory
a joint that has no joint cavity and exhibits little or no movement would be classified as a
fibrous joint
The lateral malleolus is part of the
fibula
The opposite of extension is
flexion
Melanoma can be detected early and treated with the application of a special rule. Which of the following is NOT a test used to determine if a mole is cancerous?
freckles
structures that function in intercellular communication are
gap junctions
The largest buttocks muscle is the
gluteus maximus
What inhibitory neurotransmitter is blocked in strychnine poisoning?
glycine
A delicate connective tissue composed of fibroblasts, collagen, and capillaries is called
granulation tissue
A bone fracture generally found in cildren that is incomplete is a(an)
greenstick fracture
Which of the following characteristics is NOT consistent with simple squamous epithelial tissue?
has good blood supply within it
Axons
have a distal portion that branches to form the presynaptic termials
Rapid changes in altitude can rupture the eardrum. Symptoms that may occur include
hearing impairment
Hormones are intercellular chemical signals that
help coordinate growth, development, and reporduction
What genetic disorder is the failure to produce clotting factors?
hemophillia
What term means that both alleles are different?
heterozygous
Which of the following is mismatched?
hip joint- cruciate ligaments
The study of tissues is
histology
The popliteal region is the
hollow behind the knee
Chromosome pairs are called
homologous pairs
What term means that both alleles are the same?
homozygous
What type of cells break down bone tissue
osteoclasts
Inferior
Pointing towards the feet (down)
An organelle is
A small structure within a cell
Genes on the X chromomes are
X-linked
Given the following list of organic molecules, which includes hormones? 1) nucleic acid derivatives 2) polypeptides 3) steroids 4)proteins
2,3,4
An atom has an atomic number of 19 and a mass number of 39. This atom will have
20 Neutrons
Organize the following structural levels of the human body from simplest to most complex. (1) Cell (2) tissue (3) chemical (4) organ system (5) organ
3,1,2,5,4
Arrange the following to reflect the correct sequence an action potential would follow to reach the olfactory cortex of the brain: (1) olfactory bulb (2) olfactory cortex (3) olfactory epithelium (4) olfactory tract
3,1,4,2
In humans, somatic cells have __________ chromosomes, while reproductive cells (gametes) have ____________.
46; 23
The region of the sarcomere that contains both actin and mysin myofilaments is called the
A band
Which of the following is most similar to the negative feedback mechanism in human physiology?
A toilet tank refills itself after a flush
Which of the following chemical reactions best represents the decomposition of ATP?
ATP+H2O->P1+energy
Which type of transport proteins use cell energy to move molecules across the plasma membrane?
ATP-powered pumps
The nervous system
All of these choice are correct: monitors internal and external stimuil transmits information in the form of action potentials interprets or assesses information maintains homeostasis
Mitochondria
All of these choices are correct: contains DNA Have inner and outer membranes have inner folds called cristae are the cell's power plants
Portions of pre-mRNA that do NOT code for parts of a protein are called
All of these except exons do not code for parts of a protein introns start codons stop codons
Which of the following factors will influence the rate of chemical reactions?
All of these factors will influence the rate of chemical reactions a. temp b. concentration of reactants c. presence of catalysts d. presence of enzymes
A different form of an allele at a particular locus that can have no effect to major effects on the phenotype is a(n)
Allelic varient
What type of tissue covers the ends of long bones?
Articular cartilage
Which of the following is consistent with homeostasis?
As body temperature rises, sweating occurs to cool the body
Deep means
Away from the surface
When the arrector pili muscles contract
B. "goose bumps" form on the skin
Which of the following types of openings in the skeletal system does a "sinus" describe?
Cavity
Which pattern of hormone secretion, exemplified by thyroid hormones, remains relatively constant over long periods of time?
Chronic hormone secretion
The flexion of the elbow represents a
Class III lever system
Which of the following components of the bone matrix, when removed, allows the bone to be easily shattered?
Collagen
What genetic disorder is caused by having three chromosomes 21
Down Syndrome
Which of the following types of joints is mismatched with its location?
Ellipsoid- between femur and tibia
Which of the following statements concerning epithelial cell surfaces is false?
Epithelium with folded surfaces tends to be very rigid
What molecule is activated from the binding of an odorantto transmembranous receptor molecules on olfactory hairs
G protein
Which of the following is a regulatory protein associated with membrane-bound receptor molecules?
G protein
If acetylcholine binds to muscarinic receptors
G proteins mediate the cell's response
When norepinephrine binds to adrenergic receptors
G proteins mediate the cell's response
Which of the following statements concerning types of muscle contractions is false?
In isometric contractions, the amount of tension produced by the muscle is constant
Identify the statement concerning skeletal muscle that is true
It is responsible for locomotion
In hyperpolarization
K+ ions tend to diffuse of the the cell
Which of the following skin changes is usually associated with aging?
Loss of subcutaneous tissue contributes to the sagging of skin
Which class of chemical messengers is secreted by neurons into synaptic clefts to activate an adjacent cell?
Neurotransmitter
During DNA replication, how does each template strand eventually become two identical DNA molecules?
One strand forms continuously, the other forms in short segments spliced by DNA ligase
Which of the following processes generates the most ATP within a human cell?
Oxidative phosphorylation
Which sentence best describes the sliding filament model of muscle contraction?
Sarcomeres and myofibrils contract
Schwann cells differ from oligodendrocytes in which of the following ways?
Schwann cells form a myelin sheath around a portion of only one axon, while oligodendrocytes can surround portions of several axons
Which body system would be affected by degeneration of cartilage in joints?
Skeletal
Which of the following is the most widely distributed type of muscle in the body?
Smooth
How does distribution of sympathetic nerves differ from the distribution of parasympathetic nerves
Spinal nerves contain sympathetic fibers, while cranial nerves contain parasympathetic fibers
which of the following describes the position of the nose?
Superior to the mouth
What type of membranes line joint cavities?
Synovial
Which of the following statements concerning fast-twitch muscle fibers is true?
They split ATP rapidly
Posterior means
Toward the back of the body
Which of the following events occurs last in intramembranous ossification?
Trabecular bone is formed
Which of the following statements is false?
Water evaporation heats the body
Which of the following is the definition of a third degree burn?
a burn that has destroyed the dermis and epidermis
When a few intracellular mediator molecules activate several enzymes, and each of these activated enzymes activate still other enzymes, the hormone has initiated
a cascade effect
Osteomalacia is
a disease in adults characterized by softening of bones resulting from calcium depletion
In order to study in detail the anatomy of internal cell parts, it would be best to use
a transmission electron microscope (TEM)
The cavity of the body immediately inferior to the diaphragm is the ____________ cavity
abdominal
Which of the following movements does not occur at the knee joint?
abduction
a base is a proton
acceptor
What genetic disorder is a type of dwarfism characterized by shortening of the upper and lower limbs?
achondroplasia
The active sites to which cross-bridges attach are found on the
actin myofilaments
Melanin production can be influenced by
all of the choices are correct
Which of the following events occurs in the secondary active transport of glucose?
all of the choices are correct
The brainstem
all of these choices are correct: includes nuclei of cranial nerves II-XII contains centers for several vital reflexes like heart rate and blood pressure contains the reticular formation contains nuclei for vomiting and sneezing reflexes
If an albino (aa) mates with a person homozygous for normal pigment (AA),
all offspring are carriers
The type of brain waves observed in an individual who is awake but in quiet resting state with eyes closed are _________ waves
alpha
A stimulus either causes an action potential or it doesn't. This is called
an all-or-none response
Normal pH range for blood is 7.35 to 7.45. If blood pH falls below 7.35
an imbalance called acidosis results
A researcher discovered a sensory receptor that detects decreasing oxygen concentrations in the blood. According to the principles of negative feedback, it is likely that stimulation of this sensory receptor will produce which of the following types of responses?
an increase in the respiratory rate
Damage to Wernicke area would result in
aphasia
The pelvic girdle and lower limb are part of the
appendicular skeleton
Lipids
are an important component of cell membranes
Synovial joints are different from both fibrous and cartilaginous joints because synovial joints
are enclosed by a joint capsule
Autonomic reflexes
are integrated somewhere in the CNS
Nucleotides
are the building blocks of nucleic acids
Of the following muscles of the thigh, which one is NOT part of the quadriceps group?
biceps femoris
A tissue that has a fluid matrix is
blood
How does the cardiovascular system contribute to osterporosis
blood clotting starts repair process
Osteomyelitis is
bone inflammation that often results from bacterial infection
Ligaments attach
bone to bone
When a person consumes a substantial amount of nicotine, the response
both increases parasympathetic responses and increases sympathetic responses
a gland produces a watery secretion that contains solutes. The secretion also contains a substantial amount of phospholipid. The type of secretory process for this gland is probably
both merocrine and apocrine
The strength of a stimulus is communicated through
both the frequency and the length of time action potentials are produced
Which of the following arteries supply blood to the brain?
both the internal carotid arteries and the vertebral arteries
Spinal nerves C5-T1 make up the _______________ plexus
brachial
How do hormones and target cells recognize one another
by the presence of specific receptor molecules on the target cells
The sural region is the
calf
The minimum energy required to start a chemical reaction
can be lowered by enzymes
Sympathetic preganglionic axons
can synapse in either chain or collateral ganglia
Which of the following systems carries necessary compounds like oxygen and nutrients throughout the body?
cardiovascular
An example of a saddle joint is the
carpometacarpal joint
What is the smallest level of organization in the body that contains the body's genetic information?
cellular
The locations where ossification begins in intramembranous ossification are known as
centers of ossification
Which of the following is responsible for problem-solving skills?
central nervous system
A nurse is caring for a patient who exhibits the following symptoms: (1) inability to maintain balance while walking (2) normal intelligence (3) can initiate voluntary movements although they are somewhat uncoordinated (4) decreased tone int he skeletal muscles The patients probably suffering from a condition that affected the
cerebellum
The pectoral region is the
chest area
a bone fracture that does not perforate the skin is a(an)
closed fracture
Cephalic means
closer to the head
What is the large C-shaped mass of white matter that consists of nerve fibers that connect the two cerebral hemispheres?
corpus callosum
Which of the following is a descending pathway in a spinal cord
corticospinal tract
Axons exit the sympathetic chain ganglia by all of the following except
cranial nerves
The peripheral nervous system includes
cranial nerves
Red blood Cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic: What is the condition of the RBC in solution "B"? (the squished RBC again)
crenated
Synovial fluid
decreases friction between bones
Another name for a bedsore is
decubitus ulcer
which of the following is NOT a G-protein complex protein?
delta
All of the following muscles are rotators of the arm. Which is a lateral rotator of the arm?
deltoid
What type of process conducts nerve impulses toward the cell body?
dendrite
The aroma of cookies baking in the kitchen reaches you in the living room. The distribution of this odor throughout the house is an example of
diffusion
In order to put on a glove, the fingers are abducted by hand muscles called the
dorsal interossei
Which of the following chromosome anomalies can be found in either sex?
down Syndrome (Trisomy 21)
Inflammation of the skin is called dermatitis or
eczema
A coiled fibrous protein in connective tissue that is stretchy is called
elastin
In ionic bonding
electrons are transferred from one atom to another
What is the role of myosin phosphatase
enzyme that removes phosphate from myosin
What is the site of long bone growth
epiphyseal plate
What is the long end of the bone?
epiphysis
Which pattern of hormone secretion, often observed in steroid reproductive hormones, will fluctuate over a monthly cycle?
episodic hormone secretion
Which of the following will help cool the body?
evaporation of sweat from the skin's surface
Some thyroid disorders are characterized by an increase in the width of the palpebral fissure. This would be an increase in the distance between the
eyelids
Facial expression is regulated by the
facial nerve
A mitochondrial disease is passed to offspring via the father
false
What type of connective tissue is found between the vertebrae?
fibrocartilage
A group of water molecules are held together by
hydrogen bonds
an IPSP is inhibitory because it
hyperpolarizes the postsynaptic membrane
Red blood cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is solution "B" relative to the RBC? (it's squished and deformed)
hypertonic solution
A subcutaneous injection delivers medication into the
hypodermis
What part of the brain is in overall control of the ANS
hypothalamus
Which of the following brain areas serves as the major control center of the autonomic nervous system and endocrine system?
hypothalamus
When the dominant allele does not completely mask the effects of the recessive allele in the heterozygote, it's called
incomplete dominance
Intense exercise that results in a great deal of anaerobic activity
increases muscular strength and mass
Which of the following is NOT an intrinsic eye muscle?
inferior oblique muscle
Facial muscles are unusual in that they
insert and sometimes originate on the skin and connective tissue
The type of lamallae found between osteons (Haversian systems) is
interstitial
The secretions of endocrine glands are released directly
into the bloodstream
Muscles that can change the shape of the tongue are called
intrinsic muscles
Which of the following structures is part of the vascular tunic
iris
Which of the following is correctly matched?
iris-sphincter pupillae
Melanin
is absent in individuals known as albinos
The pH value
is determined by the concentration of hydrogen ions
The glossopharyngeal nerve
is involved in the sense of taste
Depth perception
is the ability to distinguish between near and far objects and judge their distance
Endocytosis
is the bulk uptake of material through the plasma membrane by vesicle formation
Complete tetanus
is the condition in which stimuli occur so rapidly that there are no intervening relaxations
The thumb is ______ to the fifth digit (little finger).
lateral
Which chemical class of hormone is more likely to need binding protein for transport in the blood?
lipid-soluble
Which chemical type of hormone has a longer half-life
lipid-soluble
One type of experimental contraceptive device is a skin patch that contains a chemical absorbed through the skin. Which of the following substances might be the type of chemical involved?
lipid-soluble substances
What type of reflex operates independently of the CNS?
local reflex
Which back muscle extends the head?
logissimus capitis
A neutral atom will become a cation if it
loses electrons
the lumbar region is the
lower back
Reticular tissue is found in
lymphatic tissue
Which of these activities is associated with the left cerebral hemisphere in most people
mathematics and speech
The extracellular material found in tissues is called
matrix
The vesicles that conatin melanin are
melanosomes
A doctor performing an autopsy on a patient concludes that part of the brain was likely damaged by trauma due to a large population of which type of cell?
microglia
Cells of the small intestine and kidney tubules have extensions that increase their surface are called
microvilli
Which of the following is an example of incomplete dominance?
minor thalassemia
What organelles produce most of the cell's energy?
mitochondria
Carbon dioxide is considered a(n)
molecule and a compund
The change in shape of tissues or organs is called
morphogensis
Which of the following actions is caused by contraction of skeletal muscle
moving your feet in walking
The stretch of elastic components of a muscle adds tot he increased tension during
multiple wave summation
Acetylcholine will cause the pupil of the eye to constrict. A drug acts on receptors of acetylcholine to cause the pupils of the eye to dilate. Nicotine does not bind to receptors in smooth muscle cells of the iris. Therefore, the drug which causes the pupils to dilate is a
muscarinic blocking agent
The sensory receptor of the stretch reflex is the
muscle spindle
The brachial plexus supplies nerves that function to contract which of the following
muscles of the arm and forearm
Which of the following nerves is part of the brachial plexus
musculocutaneus
the proximal portion of the nail is the
nail root
An intercellular chemical signal that is produced by neurons but functions like a hormone would be called a
neurohormone
In appositional growth of cartilage
new chondrocytes and new matrix are added on the outside of the tissue
Gaps or interruptions in the myelin sheath are called
nodes of Ranvier
A mistake during segregation of chromosomes is called
nondisjunction
The __________ contains the genetic information of the cell
nuclueus
Adduction of the thigh involves the
obturator nerve
An action potential
occurs when the local potential reaches threshold level
Continuous conduction of an action potential means that
one action potential stimulates the production of a new action potential at the adjacent site
The ventral root of the spinal nerve contains
only motor fibers
The digastric muscle is involved in
opening the mouth
When repolarization of the cell membrane is complete, the
original polarity of the cell is restored
When repolarization of a neuron is complete, the
original polarity of the neuron is restored
Neurons arranged in a circular pathway form
oscillatory circuits
Which type of bone cells possess extensive ER and ribosomes?
osteoblasts
When blood calcium levels are low
osteoclast activity increases
Cells that can break down bones are called
osteoclasts
Which of these activities is associated with the right cerebral hemisphere in most people
painting a watercolor landscape
The _____________ division of the ANS functions mainly under ordinary, restful conditions
parasympathetic
Parasympathetic preganglionic axons from the sacral region of the spinal cord course through______ nerves that innervate the ______.
pelvic; lower colon and reproductive glands
If a person decided to jump over a chair, which of the following area organizes the motor functions needed to carry out this action
premotor area
Which of the following is determined by a sequence of amino acids bound by peptide bonds?
primary structure of protein
Up-regulation
produces an increase in the sensitivity of the target cell to the hormone
The opposite of supination is
pronation
Which of the following is a group of muscles in the thigh?
quadriceps femoris
Which of the following muscles is named for its location?
quadriceps femoris
Skin color is the result of the
quantity of melanin in the skin
Which of the following functions is carried out by both aqueous and vitreous humor?
refraction of light rays
The plasma membrane
regulates movement of materials into and out of the cell
Nerve cells generate electrical signals in response to changes in the environment. This is an example of
responsiveness
If the EFC around a nerve cell is replaced with an isotonic saline solution that contains potassium ions and other solutes at concentrations very close to the ECF concentrations of a normal cell, the result is
resting membrane potential close to it's normal value
Which muscle retracts, rotates, and fixes the scapula?
rhomboideus major
Which of the following is (are) associated with the retina
rods and cones
T tubules are invaginations of the
sarcolemma
Which of the following is a function of epithelial tissue
secretion and absorption of molecules
Which of the following is a function of epithelial tissue?
secretion and absorption of molecules
A tennis player goes to the doctor and is told he has a torn rotator cuff. He has injured his
shoulder
What genetic disorder is the inability to produce normal hemoglobin
sickle-cell disease
Which of the special senses contains receptor neurons that are the only nerve cells in direct contact with the outside environment
smell
Depolarization of the cell membrane occurs when there is a rapid influx (inflow) of
sodium ions
An anatomic image created from sound waves is a
sonogram
The pleural cavity is the
space located between the visceral and parietal pleura
What type of cancer can actinic keratosis develop into?
squamous cell carcinoma
Which of the following is NOT a component of negative feedback mechanism
stabilizer
Members of which group of hormones are made from cholesterol
steroids
Thin skin has only four epithelial strata. It lacks which of the following?
stratum lucidum
Which is the most superficial layer of skin that is composed primarily of living cells?
stratum spinosum
Which is an example of a normally occurring positive-feedback mechanism?
stretching of the uterus near the end of pregnancy
An inflammation of one of the ciliary glands of the eyelashes is called a
sty
Where is cerebrospinal fluid found around the spinal cord?
subarachnoid space
In order to stabilize the hyoid so that the larynx can be elevated in swallowing, the __________ muscle group is used
suprahyoid
John sees Marth; the pupils of his eyes dilate. It is "love at first sight." What division(s) of the ANS is (are) involved?
sympathetic division
A tissue has the following characteristics: abundant extracellular matrix, abundant collagen fibers, collagen fibers mainly parallel to each other. Which of the following injuries results in damage to mainly this kind of tissue?
tear in the tissue that attaches the gastrocnemius muscle to bone
the fasciculus gracilis and fasciculus cuneatus would help us
tell if the object is rough or smooth (sensation of touch)
Cytokinesis is completed at the end of this phase
telophase
In the TMJ joint, the mandible articulates with the
temporal bone
A sustained muscle contraction is known as
tetanus
The targeted response of the hormone lipotropin is an increase in which of the following?
the breakdown of fat in adipose tissues
What is found in the dosral root gangilon
the cell bodies of pseudo-unipolar sensory neurons
For distant vision,
the ciliary muscles are relaxed
To focus on objects closer than 20 feet
the ciliary muscles must contract
The two divisions of the ANS have antagonistic effects on each of the following EXCEPT
the diameter of the blood vessels in skeletal muscles
Which of the following statements concerning the epidermis is true?
the epidermis is nourished by blood vessels located in the dermis
When you try to focus on the tip of your nose
the lens becomes more spherical
Increase in the distance from the eye to the near point of vision can be caused by
the lens becoming more rigid with age
Homeostasis is defined as
the maintenance of a relatively constant environment within the body
The fluid-mosaic model of the plasma membrane suggests that
the membrane is neither rigid nor static in structure
A cell can meet increased energy demands by an increase in
the number of mitochondria
The primary somatic sensory or general sensory area is located in
the postcentral gyrus
In the sympathetic division of the ANS
the preganglionic cell body is located in the lateral horn of the spinal cord.
What is it about a cell that identifies it as a target cell for a hormone
the presence of a receptor specific for that hormone
Isotopes of the same element have
the same atomic number, but differ in their mass number
Which of the following ribs attaches to the sternum at the sternal angle?
the second
the visceral pleura is
the serous membrane that covers the lungs
The parietal peritoneum is
the serous membrane that lines the abdominal and pelvic cavities
Anatomy is
the study of structure
In some cells, an afterpotential occurs because
there is prolonged, elevated permeability to potassium during repolarization
Eskimos wear a great deal of clothing and have limited exposure to U.V. light, but do not suffer from vitamin D deficiency. A possible explanation is
they get enough vitamin D in their diet of fish and marine animals
The femoral region is the
thigh
what type of burn appears white or black with no immediate pain?
third-degree
Sympathetic fibers leave the spinal cord in the
thoracic and lumbar regions
The thenar muscles are involved in controlling the _______; the hypthenar muscles control the _________.
thumb; little finger
The type of cell connection that serves as a permeability barrier is a
tight junction
Epithelial tissue is characterized by
tightly packed cells
Phosphodiesterase functions
to inactivate cyclic AMP
Slowly adapting proprioceptors that would let you know the position of your thumb without looking at it are known as
tonic receptors
the term "dorsal" means
toward the back of the body
The malleus, incus, and stapes
transmit vibrations from the eardrum to the oval window
When you walk up behind someone and tap their right shoulder, they will reflexively
turn their head toward the right
What type of axons is found in a gray ramus comunicans?
unmyelinated, post-ganglionic axons
What system removes nitrogenous waste products from the blood and regulates blood pH, ion balance, and water balance?
urinary
Organelles
vary in number and type depending on cell function
Multiunit smooth muscle is located in the
wall of blood vessels
In the inflammatory response, clotting proteins form a clot. This action
walls off foreign particles and microbes
Which of the following statements regarding calcium homeostasis is true?
when blood calcium levels are too low, osteoclast activity in creases
Genes that are passed from male to male are called
y-linked