Answers Graded A+
autocrine - answer when a cell's activity is altered by its own secretions, that is a
type of ___________ regulation.
synovial - answer ______________ are the most movable joints.
the projections or "poles" that attach to the cell body - answer When describing the
structure of a neuron, the word root "polar" refers to _____________.
maintain flexibility of the articular capsule - answer Not a function of synovial fluid
hormone - answer it is feasible for a paracrine to also function as a __________
depending upon the delivery mechanism.
to modify activity of other receiving cells - answer The best general description of the
purpose of cell to cell communication is to ___________.
voltage-gated Ca 2+ channels - answer ________ are found in the membrane of
synaptic knobs when they respond to an electrical signal from the axon to initiate the
process of neurotransmitter release.
paracrine - answer When a cell's activity is altered by secretions from a nearby cell
prevent anterior and posterior sliding of the femur and tibia relative to each other. -
answer The primary function of the cruciate ligaments of the knee is to
ball and socket - answer Which of these joint types affords multiaxial movement?
autocrines, paracrines, and neurotransmitters - answer Which of the following tend to
travel a short distance to reach their target cells after being secreted by the sending
cell?
is the first place where action potentials can be produced on a neuron - answer The
trigger zone of a neuron is unique in that it _________________.
cartilaginous joints where hyaline cartilage unites the ends of bones - answer Which
of the following statements defines synchondroses?
may have more than one axon - answer Which of the following is FALSE about
motor neurons?
, axolemma - answer The only place where voltage-gated Na+ and voltage-gated K+
channels are found in or on a neuron would be the ________________.
diarthrosis - answer Presence of a synovial cavity, articular cartilage, synovial
membrane, and ligaments are characteristics of which of the following types of joints?
-receiving zone of neuron
- dendrites of neurons
-cell bodies of neurons - answer Ligand-gated channels are typically found on
_________________. Select the three answers that apply. Do not select all the options.
That will result in a score of zero for this question.
absorb shock - answer The major function of the intervertebral discs is to:
G proteins - answer relay ligand stimuli to secondary messengers
glenohumeral - answer A tear in the rotator cuff would significantly weaken the
____________ joint.
secretory vesicles - answer Prior to release, neurotransmitters are stored in
_________________ in the synaptic knobs.
anterograde - answer When being transported to the synaptic knobs,
neurotransmitters are traveling in a/an _______________ direction.
direct - answer When a cell's activity is altered by chemicals that move through a gap
junction, that is a type of _____________ regulation.
vesicle-linked - answer Which of the following is not a type of signal-receptor
mechanism related to cell communication.
prepatellar bursa - answer Fibrocartilage forms all of the following joint support
structures, except the
receiving zone - answer The postsynaptic part of a neuron would be found in the
_________________.
synostosis - answer In adults, the frontal suture has been replaced by a
the presence of the appropriate receptors on or in the cells of the target tissue or organ.
- answer The ability of a specific tissue or organ to respond to the presence of a
ligand is dependent on:
any type of signaling molecule as long as it can pass through the phospholipid bilayer -
answer Intracellular receptors can be activated by