Anatomy and Physiology 1st Final (corrected)
compound fracture
A 20-year-old man is injured in a motorcycle accident. His ulna was broken and protruding from the skin. His injury is classified as a
acidosis
A buildup of H+ in the blood will lead to
active transport
A cell moves sodium ions against its concentration gradient. This is an example of
organic
A compound that contains both carbon and hydrogen is
blood cell formation
Bone remodeling is LEAST likely to be used in
calcium
Bone tissue is a storage area for
ACh release
Botox used in cosmetic medicine blocks
troponin
Calcium binds directly to which muscle protein?
sarcoplasmic reticulum
Calcium is stored and released by the
37
Core body temperature is about ___ degrees Celsius
functional groups
Atoms or clusters of atoms that are covalently bonded to carbon and influence the behavior of organic compounds are known as
lysosomes
Bacteria captured by white blood cells are collected in vesicles and destroyed by
integument
1. blocks harmful solar radiation and many microbes 2. signals brain on outside environment 3. holds in moisture 4. regulates body temperature
spongy bone
found inside a long bone's shaft
adhering junctions
is also known as a desmosome
proteins
What molecule carries out these four functions: 1. building blocks 2. transport substances 3. regulate body functions 4. serve in defense
cold sores
Which skin disorder is caused by a type of herpes virus?
7.4
about what pH are normal body fluids
bursae
A tennis player suffered an injury after a long match. Her elbow was significantly swollen and irritated. She most likely damaged what structure in her elbow joint?
exocytosis
A thyroid gland cell secretes thyroid hormones into the blood. This is an example of
peroxisome
The organelle that converts harmful hydrogen peroxide to water and oxygen is the
mitochondria
The organelle that produces the majority of the cell's ATP is the
endoplasmic reticulum
The organelle with a flattened channel that begins at the nuclear envelope and passes into the cytoplasm is the
phospholipids
The plasma membrane is composed of primarily ___.
appendicular skeleton
The portion of the skeleton that includes bones of the limbs, shoulder and hips is classified as the
rearrangement
The process by which the movement of internal bonds converts one type of organic compound into another is
oxygen
The production of ATP in the mitochondria requires (What molecule?)
primary structure
The sequence of amino acids in a protein represents its
oxygen debt
The state during which muscle cells require more ATP than cellular respiration can provide is known as
abdominal
The stomach and liver are located in which body cavity?
amino acids
The structural building blocks for proteins are
basement membrane
The structure that separates epithelial tissue from the underlying supporting tissue is the
nucleolus
The structure where parts of ribosomes form before passing into the cytoplasm is the
hang
The term append means to
sliding filament theory
The theory that describes how skeletal muscles contract is the
selective permeability
What term refers to the ability of a cell membrane to regulate which molecules can enter and exit the cell?
elastic
What type of fiber allows tissue to easily stretch and recoil?
gap junctions
What type of junction allows electrical signals to rapidly spread from cell to cell?
tight junctions
What type of junction prevents stomach acids from leaking into the gut cavity?
desmosomes
What type of junction would be found in organs that are subject to stretching?
transmission electron microscope
What type of microscope uses magnetic lenses to bend beams of electrons?
pseudostratified epithelium
What type of tissue consisting of a single layer of cells containing cilia lines the throat and nasal passages?
epithelial
What type of tissue covers body surfaces or lines cavities?
simple squamous epithelium
What type of tissue, consisting of a single layer of flattened cells, is designed to allow the easy diffusion of oxygen from blood to tissue?
most stable
When an atom's outer electron shell is filled, the atom is
PTH
When blood calcium levels fall, ___ secretion increases
extension
When going from a seated to standing position, the knee undergoes
contracted
When the Z lines of a sarcomere are close together, a muscle is ___.
radius
When the biceps brachii muscle contracts the forearm moves towards the upper arm. Based on this movement, on which bone is the biceps brachii insertion?
occipital
Which bone completely surrounds the foramen magnum?
temporal
Which bone forms the lower sides of cranium and surrounds the ear canal?
ethmoid
Which bone helps support the nose?
sternum
Which bone is also known as the "breastbone"?
radius
Which bone is found on the "thumb side" of the forearm?
tibia
Which bone is the major load-bearing bone of the *lower*leg?
ulna
Which bone joins the lower end of the humerus to form the elbow joint?
humerus
Which bone of the pectoral girdle fits into the open socket of the scapula?
femur
Which bone withstands stresses of several tons per square inch?
palatine and maxillary
Which bones make up the hard palate?
metatarsals
Which bones make up the sole of the foot?
cellulose
Which carbohydrate, found only in plants, is indigestible by humans?
multinucleated
Which cell characteristic is associated with skeletal muscle?
glial
Which cells make up the majority of the body's nervous tissue?
glial
Which cells supply nutrients to and remove wastes from nerve cells?
sterols
Which class of fats is used to synthesize various vitamins and hormones?
intermediate filaments
Which cytoskeletal element anchors the proteins actin and myosin to strengthen the cytosol?
epidermis
Which layer of the integument contains stratified squamous cells?
synovial
Which membrane reduces friction in joints?
ATP
Which molecule causes actin and myosin to detach?
serrates anterior
Which muscle assists in pushing movements of the arm?
gluteus maximums
Which muscle extends the hip when walking and climbing?
quadriceps femoris
Which muscle extends the leg at the knee?
trapezius
Which muscle is involved in shrugging your shoulders?
gastrocnemius
Which muscle is the "calf muscle"?
hamstrings
Which muscle is the antagonist of the quadriceps femoris group?
latissimus dorsi
Which muscle is the largest back muscle?
trapezius
Which muscle lifts and braces the shoulder?
deltoid
Which muscle makes up the bulk of the shoulder?
rectus abdominis
Which muscle produces the action of a sit up?
triceps brachii
Which muscle straightens the forearm?
smooth
Which muscles are found in the walls of small blood vessels and airways?
cardiac and smooth
Which muscles are involuntary?
RNA
Which nucleotide contains the sugar ribose?
ATP
Which nucleotide is associated with energy transfer?
synovial membrane
Which part of a synovial joint secretes lubricating fluid?
R-group
Which part of the amino acid helps to determine its chemical properties?
phalanges
Which part of the pectoral girdle contains the most bones?
oxygen
Which particle is able to freely cross the plasma membrane?
dendrite
Which portion of nerve cells receives incoming messages?
proteins
Which portion of the plasma membrane carries out most of the membrane's specific functions?
hemoglobin
Which protein binds and releases oxygen molecules?
tropomyosin
Which protein blocks the interaction sites that produce skeletal muscle contraction?
centrioles
Which structure gives rise to microtubules?
Z line
Which structure marks the ends of a sarcomere?
flagella
Which structure produces cell movements?
bursae
Which structure reduces friction around tendons?
lymphatic
Which system defends against infections and cancer?
urinary
Which system functions to maintain blood volume and composition?
muscular
Which system maintains posture and body temperature?
active transport
Which transport process requires ATP utilization?
polar covalent
Which type of bond is responsible for the linking together of atoms within a water molecule?
hydrogen
Which type of bond is responsible for the linking together of two water molecules?
Granstein cells
Which type of cell functions to help control immune responses in the skin?
keratinocytes
Which type of cell produces proteins that form the tough, water-insoluble layer in the skin?
melanocytes
Which type of cell protects the skin from UV light damage?
adipose
Which type of connective tissue is specialized for energy storage?
sprain
Which type of injury is treated first with an ice pack and later with a heating pad?
skeletal
Which type of muscle makes up the majority of the body's muscle tissue?
connective
Which type of tissue produces a matrix that surrounds and supports cells?
pectoral girdle
___ consist of upper limbs and bones with a great freedom of movement
exocrine
___ glands secrete release substances like mucus, saliva, oil, earwax, milk, and digestive enzymes through tubes or ducts
myotonic
___ muscular dystrophy is usually only seen in adults
skeletal
___ system: 1. functions in movement of locomotion 2. organ protection 3. mineral storage 4. blood cell production
element
a pure substance that cannot be broken down into another substance
reciprocal innervation
antagonist muscle groups alternate contraction and relaxation
thick filaments
are composed of proteins with a double head and tail
connective tissue
cartilage, bone, adipose tissue, and blood are examples of
energy
cells get ___ through glycolysis, cellular respiration, and creatine phosphate
diffusion
movement of molecules down the concentration gradient
tension
repeated stimulations over short periods of times create muscle___
axial skeleton
skull, rib cage, and vertebral column create the
pelvic girdle
small range of movement, supports weight of backbone
tracer
substance that attaches to a radioisotope
eukaryotic
term meaning to have a true nucleus
blood
In which type of connective tissue are the proteins dissolved in a liquid matrix?
motor neuron
The nerve cell that controls skeletal muscle contraction is the
osteocytes
What structure is found in bone lacunae?
polar
water molecules are___ (polar or non polar)
chromatin
DNA and its attached proteins are known as
negatively
If a chlorine atom has 7 electrons in its outer energy level, which of the following is true about chlorine? When it fills its outer shell it becomes ___ charged.
flat
In adults, most blood cells are formed in which type of bones?
scapula
On which bone would you find extensive sites for muscle attachments?
endocytosis
Phagocytosis is a form of
starch
Plants store large amounts of carbohydrates in the form of
tracers
Positron emission tomography (PET) utilizes ____ to yield results of a scan.
ribosomes
The major difference between the smooth and rough ER is that rough ER contains ___.
myoglobin
Red muscle fibers are red because they contain large amounts of
ATP
Rigor mortis occurs when ___ levels fall
oils
Sebaceous glands in the skin produce
protons
The atomic number denotes the number of ____ in an atom of a particular element.
sarcomere
The basic unit of contraction in a skeletal muscle is a
hypothalamus
The body's "thermostat" is located in the
20
There are how many different types of amino acids?
nuclear envelope
These are characteristics of the ____. 1. double membrane system 2. merges with membrane of ER 3. fluid part of the nucleus 4. separates the inside of the nucleus from the rest of the cytoplasm
isometric
To stand upright for a long period of time without moving, the muscles of the back must produce which type of contraction?
adduction
When riding a horse, a jockey squeezes his thighs together to stay on the saddle. This is an example of
femur
Which bone articulates with the coxal bone to form the hip joint?
radioisotopes
are unstable and emit energy and particles to stabilize themselves
parietal
behind temporal bones and form the majority of the skull
extracellular fluid
body's internal environment
covalent bond
bonds that are extremely strong an stable
phosphate
bones store calcium and ___
prokaryote
had free-floating DNA; single-cell organism
eukaryote
has membrane-bound DNA
red muscle
have "slow" fibers
mitochondria
organelle that possesses its own DNA
carbon, hydrogen, nitrogen, oxygen
the four most common elements found in organisms
isometric
In which type of muscle contraction does the load exceed the muscle's peak capacity?
carpal tunnel syndrome
A computer programmer complains of pain in his wrist and numbness and tingling of his fingers. He likely suffers from
solute
A dissolved substance in water is an
osteoarthritis
A former basketball player complains of significant right knee pain. After examination, it is determined that he needs a knee replacement. The most likely cause of his issue is
electron
A free radical takes what particle from a stable molecule?
nonpolar hydrocarbon
A lipid is an
nitrogen-containing base
A nucleotide is composed of at least one sugar, one phosphate group, and 0ne ___-___ ___.
cramp
A painful muscle contraction that does not immediately release is a
rheumatoid arthritis
A patient with joint pain was sent to the hospital for lab work. The results showed significant over activity of her immune system. Based on these results, the most likely diagnosis is
hydrophilic
A phospholipid molecule contains a "head" portion that is___.
micrograph
A photograph formed using a microscope is called an
lipoprotein
A protein combined with cholesterol in the blood is an example of an
enzyme
A protein inside cells that speeds up the rate of a chemical reaction is an
hypertonic
A red blood cell is placed in a solution. After a period of time, the cell has shrunk to half its original size. The cell was placed in a ___ solution.
liver
A reticular form of loose connective tissue is the framework for the
cutaneous
A severe sunburn would result in damage to which membrane?
twitch
A single contraction of all the muscle fibers in a motor unit is known as
antioxidant
A substance that gives up an electron to a free radical is an
buffer
A system that compensates for pH fluctuations by donating or accepting H+ is known as an
proton
An acid is a substance that donates a ___ (H+) when dissolved in water.
protons
An atom carries no charge because it has as many electrons as
osteoporosis
An elderly woman has a significant loss of bone mass. The most likely diagnosis is
dystrophy
An inherited disorder in which skeletal muscle fibers break down
nucleolus
An organelle found in the nucleus is known as a
glycogen
Animals store carbohydrates in the form of
flexion
Decreasing the angle between two bones is
T-tubules
During a muscle contraction, electrical impulses travel to the interior of the cell through
rotation
During a routine, a dancer spins in a circle three consecutive times. This is an example of
myosin
During a skeletal muscle contraction, ATP energizes
sucrose
During a synthesis reaction, glucose and fructose combine to form
broken
During an hydrolysis reaction bonds are ___.
effector
During the process of sweating to cool body temperature, the sweat gland is acting as which homeostatic component?
osteoclasts
During the remodeling process, which cells break down the bone matrix?
four
Each carbon atom can share pairs of electrons with as many as ____ other atoms
epiphysis
Each end of a long bone is called the
epithelial
Endocrine and exocrine glands are derived from what type of tissue?
cell
Every living organism must have at least one ___.
unsaturated
Fats that stay liquid at room temperature are
motor units
Fine movements, like in the eye, need ____ containing only a few hundred muscle fibers
electrical
For charged particles, transport across the cell membrane is influenced by the concentration gradient and ___ gradient.
smooth and cardiac
Gap junctions are most plentiful in both
facilitated
Glucose moves through a protein transporter down its concentration gradient into the cell is __ diffusion
dermis
Hair follicles and the bodies of sweat glands are located in the
attracted
How do hydrophilic molecules interact with water? They are ___ to water.
206
How many bones are in the fully formed human skeleton?
7
How many cervical vertebrate are found in an intact skeleton?
2
How many electrons can the innermost shell hold?
parallel
In skeletal muscle, the fibers and filaments are arranged in ___.
nucleus
In what portion of a eukaryotic cell is the majority of DNA isolated?
liver
In which organ does the smooth ER inactivate drugs and harmful metabolic byproducts?
sacral
In which region of the vertebral column have the vertebrate fused together?
respiratory tract
In which structure do cilia covered in mucus trap foreign particles?
neutrons
Isotopes of an element are different from the common form due to differences in the number of ___ in the nucleus.
synovial joints
Joints like the hip and shoulder are classified as
epidermis
Melanocytes are located in the
mucous
Membranes that line cavities and tubes in the digestive and respiratory systems are classified as
serous
Membranes that occur in paired sheets are classified as
serous
Membranes that surround the heart and lungs would be classified as
axons
Motor neurons that carry messages from the spinal cord to muscles in the foot would have long
goblet cells
Mucus is secreted onto membrane surfaces by
skeletal
Muscle that is composed of cylindrical cells that maintain posture is
cardiac
Muscle that is striated and involuntary is
skeletal
Muscle that is striated and voluntary is
DNA
Scientists believe that mitochondria may have evolved from bacteria because because it has its own ___.
myofibrils
Skeletal muscle fibers are composed of
lacrimal and maxillary
Tear ducts pass between which two bones?
pelvic
The bladder and rectum are located in which body cavity?
mixture
The blending of two or more kinds of molecules is an
molecule
The bonding of two or more atoms creates an
maximize
The bones of the pectoral girdle are arranged to ___ movement
cranial
The brain is located in which body cavity?
glucose
The building block of large carbohydrates is
mosaic
The cell membrane mix of lipids and proteins is referred to as an
neurons
The cells that the body uses for rapid communication and control are
matrix
The connective tissue fibers in bone are found in the
pelvis
The coxal bones are components of the
osmosis
The diffusion of *water* across a membrane is known as
polysaccharides
The extracellular ground substance of the matrix is composed of
creatine phosphate transfer
The first metabolic pathway by which ATP is made in an active muscle cell is
tension
The force a contracting muscle exerts to move an object is muscle
myopathy
The general medical term that describes a muscle disorder is
thoracic
The heart is located in which body cavity?
tetanus
The infectious disease that produces spastic paralysis is
cartilaginous joints
The intervertebral disks are classified as
calcium
The ion required for skeletal muscle contraction is
tonicity
The measure of the concentration of solutes in a solution is
microtubules
The most abundant cytoskeletal elements are
triglycerides
The most abundant lipids in the body are
synovial joint
The most common type of joint in the human body is a
heat stroke
The most extreme form of body temperature increase is
motor unit
The motor neuron and the muscle fibers it controls are known as a
mucous and serous
The two basic types of tissue membranes are
peptide
The type of bond that exists between amino acids in a protein is an ____ bond.
compact bone
The type of bone that forms the shaft of long bones is known as
microscopy
The use of microscope
50 percent
Together, all muscle types make up what percentage of the body?
A B
Two solutions A and B are separated by a membrane, which is permeable to water but not salts. Solution A is a 2% NaCl solution, while solution B is a 3% NaCl solution. Water will move from side ___ to side ___.
hydrogen bonds
Water has a high heat capacity because it has
integrating center
We shiver when we are cold. In this process the brain plays which homeostatic role?
ribosome
What component of the cell is the site of polypeptide assembly?
phospholipids
What factor of the plasma membrane provides fluidity? The movements of ___.
phospholipids
What fat is the building block for cell membranes?
blood vessels and nerves
What is found in the channels within the Haversian system?
acetylcholine
What is released into the neuromuscular junction to produce a muscle contraction?
8
What is the maximum number of electrons in a shell?
tertiary
What level of protein structure is associated with the folding of coils and sheets to form a hollow region through which substances can move into and out of cells?
carbohydrate
What macromolecule is composed of a 1:2:1 ratio of carbon to hydrogen to oxygen?
surface area to volume ratio
What major factor limits cell size?
It dissolves ions and polar molecules
What makes water a good solvent?
cardiac
What muscle tissue contains specialized junctions that allow cells to contract as a unit?
smooth
What muscle tissue is found in the walls of blood vessels and hollow organs?
cardiac and smooth
What muscle tissues are considered involuntary?
peroxisomes
What organelle inactivates toxins?
mitochondria
What organelle is the site of ATP production?
Golgi body
What organelle modifies new polypeptides and sorts proteins and lipids?
cytoskeleton
What portion of the cell contains microtubules and microfilaments?
growth hormone
What prevents growth plates from calcifying, preserving their ability to grow?
cartilage
What specialized type of connective tissue consists mostly of collagen in a watery matrix?
tendon
What structure connects a muscle to a bone?
chromosome
consists of DNA and its associated proteins
41
enzymes denature above ___ degrees Celsius
appendicular
the scapula is part of the ___ skeleton
positive feedback
the type of feedback that occurs during childbirth
homeostatic system
type of system that regulates core temperature using negative feedback
free radical
unstable molecule missing an electron in its outer shell
ion
what is formed when atoms exchange electrons