test prep
Chemical synapses are characterized by
the release of neurotransmitter by the presynaptic terminal.
negative feedback mechanism
the response of the effector revverses original stimullus
surface anatomy
the study of internal structures as they relate to the overlying skin surface
autonomic reflex utilizes
two motor neurons plus cardiac and smooth muscle and glands as effectors.
creatine phosphate
During resting conditions, _________ is synthesized to store energy.
helping atoms give up or receive electrons.
Hydrogen bonds are important for all of the following, except
chromatin
In the nucleus, DNA is wrapped with proteins this complex is called ...
bipolar
Neurons that have a single axon and a single dendrite are __________.
chemical
Potential energy stored in bonds of molecules is _____ energy.
inflammation symptoms
Redness, heat, and pain
Which of the following is mismatched?
Somatic nervous system - sensory division of PNS
stratum basale
The layer of epidermis that undergoes mitosis and forms new epidermal cells is the __________.
carbohydrates
The molecule used most frequently by cells as a fuel belongs to which of the following groups?
Cuticle
The outer surface of the hair is called the __________.
amino acids in a protein
The sequence of nucleotides in a messenger RNA molecule is needed to determine the sequence of
Depolarization causes voltage gated sodium channels to open
Which of the following situations occurs in electrically excitable cells?
hypothalmus
Which part of the CNS integrates thoughts and emotions to produce ANS responses?
full thickness
Which type of burn involves damage to the epidermis, dermis, and subcutaneous tissue?
connective
Which type of tissue provides support and protection and fills spaces of the body
transfer
_____________ RNA has the function of bringing amino acids to the ribosome during translation.
denaturation
a change in the three-dimensional structure of a protein.
detection of heat and touch
he integumentary system has many functions, one of which is
parathyroid
hormone that increases osteoclast activity
Muscle hypertrophy
increase myofibrils and sarcomeres.
Muscle tone
is a constant tension produced by muscles for long periods of time.
appositional growth
new chondrocytes and new matrix are added on the outside of the tissue.
serous membrane
protection from friction in organs
Articular cartilage
provides a smooth surface where bones meet.
Skin color is the result of the
quantity of melanin in the skin
The integumentary system
regulates body temperature
A buffer will
resist drastic changes in the pH of the solutions
osteoclasts
responsible for reabsorption
ribosomes
site of protein synthesis
Monosaccharides
small carbohydrates
Histology
study of tissues
Syndesmosis
the bones are held together by ligaments called interosseous membranes.
intervertebral joint
An example of a symphysis is the __________.
terminal
At birth the hairs of the scalp, eyelids, and eyebrows are replaced by coarser pigmented hairs called __________ hairs.
flexion
Bowing the head is an example of __________.
The number of EPSPs in relation to the number of IPSPs
Suppose both excitatory and inhibitory neurons synapse with a single postsynaptic neuron. What determines if an action potential is initiated in the postsynaptic neuron?
presynaptic terminals
Synaptic vesicles contain neurotransmitters and are present in the __________.
lag phase of a muscle twitch
The action potential is propagated from presynaptic to postsynaptic membrane
diameter
When blood vessels become surrounded by concentric lamella forming osteons, the bone will grow in __________.
organ physiology
Which branch of physiology would study the effects of sunbathing on the skin?
longus capitis
Which of the following muscles does NOT extend the neck?
isometric contraction
a muscle produces an increasing tension as the length remains constant.
cholesterol
affect(s) the fluidity of the cell membrane by limiting the movement of phospholipids.
Keratinocytes
are responsible for the reduction of water loss from the skin.
ligaments attach
bone to bone
sural region
calf
Neurotransmitters
cause the production of action potentials in the postsynaptic membrane.
connective tissue
consists of cells with much extracellular material (matrix) between them.
coronal plane
divides body into front and back
ionic bonding
electrons are transferred from one atom to another.
insertion
end of a muscle where action occure
the shape of cells and number of cell layers.
epithelium is classified by
antecubital region
front of elbow
limbic system
is associated with basic survival instincts of nutrition, memory, and reproduction.
reticular formation
is composed of nuclei scattered throughout the brain stem.
the pH value
is determined by the concentration of H+ in a solution.
crural region
leg, from knee to ankle
sternum
manubrium, body, xiphoid process
