Hyperpolarization
Repolarization
Depolarization
Increased negative charge inside neuron
None of these
Rate this question:
-9 V
+9 V
0 mV
+70 mV
-70 mV
-80 mV
Rate this question:
Have small diameters and lengths compared with skeletal muscles
Have actin and myosin
Have autorhythmicity
Have striations
Little fatigue with prolong contraction
Rate this question:
Recruitment
Tetany
A twitch
Relaxation
Recovery
Rate this question:
Myosin
Chloride
Calcium
Tropomyosin
T-tubules
Rate this question:
A-band
H-band
T-band
M-band
I-band
Rate this question:
Renshaw inhibition
Elastic forces
The pull of gravity
The contraction of opposing muscles
The elastic nature of the sarcrolemma
Rate this question:
Cerebrum
Midbrain
Pons
Cerebellum
Medulla
Rate this question:
The third ventricle
Arterial circulation
Venous circulation
The fourth ventricle
The central canal
Rate this question:
Cerebrum
Thalamus
Hypothalamus
Cerebellum
Medulla oblongata
Rate this question:
Is directed towards different sets of organs than the sympathetic ANS
Is involved in the fight or flight response
Increases when someone turns into the hulk
Increases blood glow to skeletal muscles
Increases while calmly digesting dinner
Rate this question:
Myosin
F-actin
Troponin
Titin
H-band
Rate this question:
APs move in all directions along an axon
Local currents depolarize adjacent areas of membrane so that APs continue to form along the membrane
APs produce a local current that is strong enough to spread along the length of the axon
Local potentials produce a continuous outward flow of potassium ions
APs occur between successive nodes along the length of stimulated axon
Rate this question:
Oligodendrocytes
Astrocytes
Microglia
Ependymal
Reshaw neruons
Rate this question:
Ligand- gated
Voltage-gated
Leak
Active pump
Facilitated diffusion
Rate this question:
Myosin head pivots at joint pulling action
AP movement down t-tubule
Calcium release from SR
AP movement along sacrolemma
Calcium binding to troponin
Rate this question:
Iris
Sclera
Cornea
Ciliary body
Choroid
Rate this question:
More red muscle fibers
More white muscle fibers
More noncontractile fibers
Equal amounts of read and white m.fibers
Less myoglobin than hemoglobin
Rate this question:
Myosin molecules
Calcium ions
ATP molecules
Troponin molecules
Tropomyosin molecules
Rate this question:
Receptors from each body region synapse in specific brain regions
Snesory neurons carry only one type of information
Incoming sensory information is first assessed by the thalamus
Different types of sensory receptors produce different types of AP's
Sensory neurons in different parts of the body
Rate this question:
Sensory neurons
Interneurons in the spinal cord
Extensor neurons
Motor neurons
None of these
All of these
Rate this question:
D,a,e,b,c
D,e,c,a,b
A,c,d,e,b
C,a,d,e,b
D,c,a,e,b
Rate this question:
Lateral gray horns of T1 through L2 region of the spinal cord
Brain stem and sacral area of the spinal cord
Lateral gray horns of the cervical region of the spinal cord
Anterior gray horns of the entire spinal cord
Lateral gray horns of the entire spinal cord
Rate this question:
Contraction of pupillary muscles
Shape of anterior chamber
Shape of posterior chamber
Shape or size of lens
Shape or size of pupil
Rate this question:
The potential is propagated with a constant magnitude
The potential is all-or-none
Stimulus causes ion channels to open changing membrane permeability
No summation of potentials occurs
The potential has a refractory period
Rate this question:
Organ
Muscle
Dermatome
Brain region
Sesnory modality (like vision or hearing)
Rate this question:
The resting potential
Ligand-gated channels
Graded potentials
The refractory period
Leak channels
Rate this question:
Acetylcholine
Glutamate
Substance P
Serotonin
Norepinephrine
Rate this question:
D,f,g,c,b,e,a
E,g,d,a,b,c,f
B,d,f,g,a,c,e
D,f,g,a,b,c,e
D,b,e,f,g,c,a
Action potentials send to various regions of the brain
Shapes of action potentials
Sizes of action potentials
Wavelengths of light
Rates of action potentials
Rate this question:
Myopia
Hyperopia
Presbyopia
Astigmastism
Strabismus
Rate this question:
Lateral gray horns of T1 through L2 region of the spinal cord
Brain stem and lateral gray horns of the sacral area of the spinal cord
Lateral gray horns of the cervical region of the spinal cord
Anterior gray horns of the entire spinal cord
Lateral gray horns of the entire spinal cord
Rate this question:
Quiz Review Timeline (Updated): Jul 22, 2024 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.