Unit II: iClicker Questions Flashcards
Which type of neurotransmitter receptor has a channel which opens when the neurotransmitter binds?
Ionotropic
Which of the following can occur when the G-protein is activated with a metabotropic receptor?
- Ion channels open
- Ion channels close
- 2nd messenger goes to the nucleus and affects gene activity.
Which of the following is the main excitatory NT?
Glutamate
Which NT is involved in vigilance and the sympathetic nervous system?
Norepinephrine
Which of the following is true regarding a drug?
It’s not necessary for normal cellular function.
Antagonists do which of the following?
Block a receptor.
If the dose-response curve were to shift to the left, what is this referred to as?
Sensitization
Cocaine blocks the dopamine transporter. What occurs as a result of that?
Dopamine is in the synapse longer
Leonard can’t form any new memories. Leonard has _________.
Anterograde amnesia
I can tie my shoe! This is an example of a(n) ________ memory.
Procedural
My memory of my last birthday is a type of __________ memory.
Episodic
I once saw a woman I knew a long time ago. I barely remembered her, but I knew I did not like her! This is an example of a(n) __________
(hint: a type of implicit memory)
Emotional association.
Which of the following is not a synaptic change that can occur after training?
The postsynaptic membrane gets smaller.
LTP requires ________ receptors.
Glutamate
One of the first symptoms of Alzheimer’s is ________.
Mild anterograde amnesia.
Which of the following specifically selectively responds to vibration & pressure?
Pacinian corpuscles
Receptors that display adaptation, where the frequency of action potentials drops rapidly as stimulation is maintained, are called
Phasic receptors
The primary somatosensory cortex is also known as?
Central sulcus
Which of the following is true when comparing the somatosensory and pain pathways to the brain?
Each hemisphere receives info from the opposite side of the body in both pathways.
Motor neurons send action potentials that terminate at _____ found on muscle fibers.
Neuromuscular junctions
Golgi tendon organs monitor the ________ of muscle contractions.
Force
If the motor cortex on the right side of the brain was lesioned, which side of the body would be affected?
The left side.
The basal ganglia is important for which of the following?
- Controlling amplitude & direction of the following
- Initiation of movement
- Movements
