Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
1. Which of the following would be a physiological explanation for why birds sing? |
Testosterone causes the growth of certain brain areas which control singing in certain birds |
|
Someone who investigates how the functioning of the brain and other organs influences behavior is called a: |
behavioral neuroscientist |
|
A comparative psychologist: |
considers the evolutionary histories of different species and their behaviors |
|
Which of the following specialists would be MOST interested in changes in heart rate when students are taking an exam? |
psychophysiologist |
|
Suppose "A" is a dominant gene for the ability to curl the tongue lengthwise, and "a" is a recessive gene for inability to do so. Which of the following couples can be certain that all their children will be able to curl their tongue lengthwise? |
father aa, mother AA |
|
Almost all humans have 23 pairs of which of the following? |
chromosomes |
|
In humans, which chromosome(s) contain(s) few genes? |
Y chromosome |
|
Protein channels, allow ____ to cross the cell membrane |
small charged molecules |
|
The insulating material which covers many vertebrate axons is called the: |
myelin sheath |
|
Radial glia: |
guide the migration of neurons during embryonic development |
|
In the brain, an arrangement of endothelial cells: |
does not allow most molecules to pass because the cells are so tightly packed |
|
____ is the main source of nutrition for vertebrate neurons. |
glucose |
|
The neuron will produce an action potential only if the depolarization exceeds what level? |
the threshold of excitation |
|
What are the nodes of Ranvier? |
gaps in the myelin sheath |
|
A local neuron: |
is a small neuron with no axon or a very short one |
|
Avoiding foods with lecithin, such as eggs and peanuts, would affect which neurotransmitter level the most? |
acetylcholine |
|
If you eat a food containing tryptophan, what can you consume with it to increase its entry to the brain? |
carbohydrates |
|
In general, a single neuron releases ____ neurotransmitter(s), and can respond to ____ neurotransmitter(s). |
several; many |
|
Which of the following actions is most likely to be dependent on ionotropic effects? |
rapid muscle contraction |
|
Why do cocaine and amphetamine produce similar effects? |
Both increase the presence of dopamine in the synapses |