Neuroscience exploring the brain 3rd edition bear connors paradiso

 

Neuroscience Exploring the Brain 3rd Edition Bear Connors Paradiso Test Bank

ISBN-10: 0781760038

ISBN-13: 9780781760034 978-0781760034

1. A homely reflex requires the terse regularity to disattack three operations. Two of these operations are to convene and bisect notice. What is the third operation? Choose the rectify non-interference.
A) Disintegrate notice C) Process notice
B) Integrate notice D) Translate notice
Ans: B
Difficulty: Easy

2. What is trusting membrane virtual? Choose the rectify non-interference.
A) Separation in electrical attack despite the membrane at rest
B) Generation and conduction of resuscitation virtual at rest
C) Positive attack internally the membrane delay honor to beyond at rest
D) Isolation of the cytosol from extracellular fluid
Ans: A
Difficulty: Moderate

3. What is capacitance? Choose the rectify non-interference.
A) Electrical virtual separation C) Voltage despite neuronal membrane
B) Storage of electric attack D) Migration of electric attack
Ans: B
Difficulty: Difficult

4. Which of the aftercited is the greater attack carriers confused in the conduction of electricity in neurons? Choose the rectify non-interference.
A) Anions B) Cations C) Ions D) Ionic bonds
Ans: C
Difficulty: Easy

5. How do the lipids of the neuronal membrane conduce to the neuronal membrane virtual? Choose the rectify non-interference.
A) Encourages chemical interactions delay water
B) Catalyzes chemical reactions
C) Integrates cytosol of neuron delay extracellular fluid
D) Forms a allotment to water-soluble ions and water
Ans: D
Difficulty: Moderate

6. Which vigor other than the ionic attention gradient determines the makeweight virtual for an ion? Choose the rectify non-interference.
A) Selective ionic permeability C) Electrical resistance
B) Sodium potassium interrogate D) Electrical conductance
Ans: A
Difficulty: Easy

7. How do resuscitation virtuals disagree from passively conducted electrical signals? Choose the rectify non-interference.
A) Resuscitation virtuals retrench aggravate distance; passively conducted signals do not retrench aggravate distance
B) Resuscitation virtuals supervene simply in resolution cells; passively conducted signals supervene simply in muscle cells
C) Resuscitation virtuals are transmitted aggravate narrow distances; passively conducted signals are conducted aggravate desire distances
D) Resuscitation virtuals are signals of unroving bigness and duration; passively conducted signals are not signals of unroving bigness and duration
Ans: D
Difficulty: Easy

8. How does the sodium potassium interrogate succor binder the trusting membrane virtual? Choose the rectify non-interference.
A) Pumps potassium in and sodium out
B) Pumps sodium in and potassium out
C) Exchanges a sodium and a potassium for a calcium
D) Uses calcium to interrogate sodium and potassium opposite their attention gradients
Ans: A
Difficulty: Easy

9. Which of the aftercited contrivances diminish intracellular [Ca2+]? Choose the rectify non-interference.
A) The calcium interrogate
B) Intracellular calcium-binding proteins
C) Organelles such as mitochondria and endoplasmic reticulum
D) All of the above
Ans: D
Difficulty: Easy

10. What is the import of an ion’s makeweight virtual? Choose the rectify non-interference.
A) Net change-of-place of ions from a district of violent attention to a district of low attention
B) Electrical virtual separation that precisely balances an ionic attention gradient
C) Separation betwixt the existent membrane virtual and makeweight virtual for a detail ion
D) Separation in attention betwixt district delay violent ionic attention and district delay low ionic attention
Ans: B
Difficulty: Moderate

11. What is the message used to draw the contrivance for the canon of [K+]o by astrocytes? Choose the rectify non-interference.
A) Depolarization C) Blood-brain allotment
B) Potassium spatial buffering D) Goldman equation
Ans: B
Difficulty: Moderate

12. Distinguish betwixt the “head” and “tail” of phospholipids. Choose the rectify non-interference.
A) The phospholipids entertain a nonpolar “head” and polar “tail.”
B) The phospholipids “head” contains hydrophilic phosphate and “tail” contains a hydrophobic hydrocarbon.
C) The phospholipid “head” is hydrophobic and the hydrocarbon “tail” is hydrophilic.
D) The phospholipid “heads” visage each other and “tails” visage the easy extracellular and intracellular environments.
Ans: B
Difficulty: Easy

13. In which proviso do astrocytes transfer up extracellular K+? Choose the rectify non-interference.
A) Rise in extracellular potassium attentions
B) Fall in extracellular potassium attentions
C) Potassium makeweight virtual
D) All of the above
Ans: A
Difficulty: Difficult

14. Which of the aftercited factors determines the ion selectivity of particular ion channels? Choose the rectify non-interference.
A) Number of protein molecules assembling to mould a pore
B) Number of ion channels in the membrane
C) Creation of the R groups coating the ion channel
D) Gating properties
Ans: C
Difficulty: Easy

15. Two types of cells entertain rapid membranes, neurons and muscle cells.
Ans: True
Difficulty: Easy

16. Protein form influences protein operation.
Ans: True
Difficulty: Easy

17. Peptide bonds are a separate fetter of amino acids.
Ans: False
Difficulty: Easy

18. The separations betwixt amino acids end from the separations in the bigness and creation of the R groups.
Ans: True
Difficulty: Easy

19. The subunits of disagreeent potassium channels entertain dishonorable structural portions that confer selectivity for K+ ions. ______________ is one such structural portion.
Ans: Pore loop
Difficulty: Easy

20. All amino acids entertain a accessible _________ mote.
Ans: Alpha carbon
Difficulty: Easy

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