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WorksheetsSodium Potassium Pump
Total questions: 15
Worksheet time: 15mins
The sodium potassium pump usually pumps
potassium out of the cell
sodium out of the cell
sodium into the cell
both potassium and sodium into the cell
Active transport across a cell membrane from low to high concentration, requires
energy (ATP)
no energy
water
oxygen
The sodium-potassium pump usually pumps
only potassium ions and sugar molecules
potassium ions out of the cell
sodium ions into the cell
potassium ions into the cell
The sodium-potassium pump....
Sends (Na+) into the cell
Sends (K+) into the cell
Exchanges (K+) & (Na+) during depolarization
Exchanges (K+) & (Na+) during hyperpolarization
Which one of the following is involved in maintaining a resting membrane potential?
Na+/K+ ATPase pump moves 3Na+ in for every 2K+ out
Na+/K+ ATPase pump moves 3K+ in for every 2Na+ out
Na+/K+ ATPase pump moves 3Na+ out for every 2K+ in
Na+/K+ ATPase pump moves 3K+ out for every 2Na+ in
The sodium-potassium pump
Helps cells maintain homeostasis
Carries ions across the membrane from an area of high concentration to an area of lower concentration
Helps maintain sodium ion gradient
Helps maintain sodium ion gradient and maintain homeostasis
What transports potassium ions into the cell?
Hypertonic solutions
Hypotonic solutions
Sodium potassium pump
Isotonic solutions
What is the primary function of the sodium-potassium pump in animal cells?
To transport glucose into the cell
To maintain the cell's resting potential
To synthesize proteins
To store calcium ions
How many sodium ions are transported out of the cell for every two potassium ions transported into the cell by the sodium-potassium pump?
One
Two
Three
Four
Which molecule provides the energy required for the sodium-potassium pump to function?
Glucose
ATP
NADH
FADH2
In which part of the cell membrane is the sodium-potassium pump located?
Lipid bilayer
Cytoplasm
Nucleus
Mitochondria
What is the role of the sodium-potassium pump in nerve cells?
To transmit electrical signals
To maintain the concentration gradient of ions
To produce neurotransmitters
To break down waste products
Which of the following best describes the sodium-potassium pump's mechanism?
Facilitated diffusion
Active transport
Passive transport
Osmosis
What happens to the sodium-potassium pump when ATP is hydrolyzed?
It becomes inactive
It changes shape to transport ions
It releases glucose
It binds to calcium ions
Why is the sodium-potassium pump considered electrogenic?
It generates electrical signals
It creates an electrical gradient across the membrane
It uses electrical energy to function
It neutralizes electrical charges
