_______ is not one of the 4 main tissue categories
osseous tissue
The layer of the epidermis that contains abundant desmosomes is the ________.
stratum spinosum
Which ligament connects the clavicle and the acromion?
acromioclavicular
__________ best describes the term Z line.
thin filaments are anchored here.
_______ is a recognized function of skeletal muscle.
produce movement, guard body entrances and exits, maintain body temp, maintain posture.
The most important factor in decreasing the intracellular concentration of calcium ion after contraction is _______.
active transport of calcium into the SR.
The skeletal muscle complex known as the triad consists of _______.
a transverse tubule and two terminal cisternae.
Cross-bridges are portions of _______.
myosin molecules.
In rigor mortis _______.
myosin heads are attached to actin, cross-bridge cycling is absent, ATP is depleted, muscles are inextensible.
The most common level system in the body are those that have the applied force between the fulcrum and the load. These are called ______ levers.
third-class.
A muscle that assists the muscle that is primarily responsible for a given action is a(n) ________.
synergist.
Muscles including the term capitis would be found within or attached to the ______.
head.
______ is NOT an extrinsic eye muscle.
rectus abdominos
The sternocliedomastiod inserts on the _______.
mastoid process.
________ does NOT originate on the humerus?
biceps brachii.
In assessing a stroke patient, you ask her to stick out her tongue. You note that it deviates to one side. You suspect that damage to the neural control of the ______ muscle has occured.
genioglossus.
The ______ nervous system is composed of the brain and spinal cord.
Central.
______ is the role of tropomyosin in skeletal muscle.
Tropomyosin serves as a contraction inhibitor by blocking the myosin binding sites on the actin molecules.
_______ = structure in skeletal muscle that functions in calcium storage.
sarcoplasmic reticulum.
What does excess post exercise oxygen consumption represent?
the difference between the amount of oxygen needed for totally aerobic muscle activity and the amount actually used.
Immediately following the arrival of the stimulus at a skeletal muscle cell there is a short period called the ______ period during which the neurotransmitter is released by exocytosis, diffuses across the synaptic cleft and binds to its receptors.
latent.
The contractile units of skeletal muscle are ______.
a sarcomere.
Muscle tissue has all of the following properties except _______.
secretion
Hypothetically, if a muscle tissue were stretched to the point where thick and thin filaments no longer overlapped, __________.
no muscle tension could be generated.
What part of the sarcolemma contains acetylcholine receptors?
motor end plate.
What muscle is primarily responsible for preventing foot drop?
extensor digitorum longus
Which of the following is NOT a muscle primarily involved in the breathing process?
latissimus dorsi
What is the muscle that provides the major force for producing a specific movement called?
an agonist (prime mover).
________ muscle inserts to the posterior calcaneus via the calcaneal tendon?
the gastrosnemius
What type of muscle assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts?
a synergist.
In general, a muscle that crosses on the anterior side of a joint produces ________.
flexion.
________ is a powerful forearm extensor.
triceps brachii
Nerve impulses are sent to slow the hearts rate of contraction. The nerve fibers sending these signals will most likely belong to which division of the nervous system?
parasympathetic division
When nuerotransmitter like acetylcholine is acting in an excitatory manner which of the following is likely a result of the acetylcholine acting on the post synaptic cell?
chemically gated sodium channels will open.
Which of the following elements is necessary for proper conduction of nerve impulses?
NA
Cranial Nerve I.
Olfactory-smell
SENSORY
Cranial Nerve II.
Optic-vision
SENSORY
Cranial Nerve III.
Oculomotor-most eye movement
MOTOR
Cranial Nerve IV.
Trochlear-moves eyes
MOTOR
Cranial Nerve V.
Trigeminal-face sensation, mastication
BOTH
Cranial Nerve VI
Abducens-abducts the eye
MOTOR
Cranial Nerve VII.
Facial-facial expression, taste
BOTH
Cranial Nerve IX
Glossophraryngeal-taste, gag reflex
BOTH
Cranial Nerve X.
Vagus-gag reflex, parasympathetic innervation
BOTH
Cranial Nerve XI.
Accessory-shoulder shrug.
MOTOR
Cranial Nerve XII.
Hypoglossal-swallowing, speech.
MOTOR