WorksheetsKIN1A03 Test 3
Total questions: 39
Worksheet time: 39mins
What is the function of the subthalamic nuclei? Where is it located?
Thalamus
Collects sensory information
Subthalamus
Controls emotional response
Thalamus
Secretes melatonin
Subthalamus
Controls motor function
What is the function of the habenula?
Emotional and visceral responses to taste
Emotional and visceral responses to odour
Secretes melatonin and influences the onset of puberty
Maintains heart rate, blood pressure, blood pH, moods, emotions
The stalk that connects the hypothalamus to the pituitary gland is the (a) .
Commissural fibers connect what?
Areas of the cerebral cortex within the same hemisphere
Left and right cerebral hemispheres
Cerebrum and other parts of the brain and spinal cord
Cerebrum to cerebellum
Which of the following is a cranial nerve with a 2 neuron system?
Vagus
Trigeminal
Optic
Olfactory
Which cranial nerve controls lateral eyeball movement? (The lateral rectus muscle)
Vestibulocochlear
Abducens
Oculomotor
Trochlear
The posterior 1/3 of the tongue is controlled by the (a) cranial nerve (name)
The ____ cranial nerve is from the spinal cord and controls head movement.
Accessory
Hypoglossal
Vagus
Facial
What cranial nerves serve a parasympathetic function?
I, V, III
III, IX, XII
III, VII, IX, X
II, V, VII, VIII
There is a higher concentration of K+ on the outside of the cell.
True
False
The Na+/K+ pump utilizes what kind of transport? What goes in and what goes out?
Active transport
2 K+ in
3 Na+ out
Active transport
2 K+ out
3 Na+ in
Active transport
3 K+ out
3 Na+ in
Passive transport
2 K+ in
3 Na+ out
What is the mV of resting membrane potential?
-90 mV
+35 mV
0 mV
-70 mV
When K+ leaves the cell, does the cell get more positive, negative, or the same on the inside?
Positive
Negative
Same (equilibrium)
How many more times is the plasma membrane more permeable to K+ than to other positively charged ions, such as Na+?
10-100
30-80
50-100
5-50
Which one of the following are gated ion channels?
Ligand
Voltage
Electrical
Mechanically
How do you create an electrical signal for plasma membranes?
Do not change membrane potential
Stop the Na+/K+ pump
Close leak channels
Change membrane potential
Voltage-gated channels are found in what part(s) of the neuron?
All parts of the neuron
Presynaptic terminals
Axons
Dendrites
___ potentials allow communication over short and long distances.
Action
Graded
Excited
Inhibitory
When is the Na+ channel at its resting position?
Open activation gate
Closed inactivation gate
Closed activation gate
Closed inactivation gate
Closed activation gate
Open inactivation gate
Open activation gate
Open inactivation gate
____ axons allow for continuous conduction of action potential propagation.
Unmyelinated
Bipolar
Unipolar
Myelinated
Which of the following has the fastest flow of action potentials?
Type C nerve fibers
Myelinated axons
Unmyelinated axons
Interneurons
Can postsynaptic potentials be summated?
Yes
No
Excitatory postsynaptic potentials cause __?
Depolarization
Stimulatory response
Polarization
Inhibitory response
Which synapse does not rely on direct transfer of AP from nerve to tissue?
Excitatory
Chemical
Electrical
Summation
What segments composes the spinal cord?
Thoracic
Sacral
Lumbar
Cervical
Coccygeal
Where does the spinal cord start and end?
Foramen magnum to L5
Foramen magnum to C8
Foramen magnum to L2
Foramen magnum to T10
What is the function of the medial geniculate nucleus and the lateral geniculate nucleus respectively? Where is it located?
Thalamus
Medial: Visual signals
Lateral: Auditory signals
Epithalamus
Medial: Auditory signals
Lateral: Visual signals
Thalamus
Medial: Auditory signals
Lateral: Visual signals
Epithalamus
Medial: Balance signals
Lateral: Hearing signals
The brachial plexus starts and ends where?
C5-T1
C4-T2
L1-L7
C3-T4
What major nerves are bound together to form the sciatic nerve?
Median
Tibial
Axillary
Common fibular
The anterior horns of the spinal cord contains?
Commissure
Motor neurons
Sensory neurons
ANS
LAB: What is the falx cerebri's function?
Provides protection
Helps hold brain in place from moving too freely
Helps to transport venous blood and CSF
Connects the left and right hemispheres
LAB: A stroke happens when an artery supplying the brain is blocked. What might cause these blockages?
Embolism
Hemmorhage
Anastomosis
Thrombosis
LAB: What is latency period?
Delay in response time
Time it takes to reach threshold
Period of time where propagation occurs
Period of time where is CSF is flowing
PAST UNITS: What makes up the chorion?
Basement membrane
Syncytiotrophoblast
Cytotrophoblast
Lacuna
PAST UNITS: In the fetal circulation, the blood moves from the pulmonary trunk to the aorta via the ___ ____ (2 words).
(a)
PAST UNITS: The body part/region name for armpit is called the (a) .
PAST UNITS: What are the types of protein fibers?
Blast
Reticular
Collagen
Elastic
PAST UNITS: This epithelium type synthesizes and secretes mucus, move mucus (or fluid) that contains foreign particles, helps with absorption and protection. What type is this?
Pseudostratified Columnar Epithelium
Simple Cuboidal Epithelium
Stratified Squamous Epithelium
Stratified Columnar Epithelium
PAST UNITS: What creates cerebrospinal fluid?
Arachnoid mater
Choroid plexus
Diencephalon
Cerebral aqueduct
