Basic Physiology Test For Students! MCQ Trivia Quiz
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How is your revision for the physiology finals coming up? Do you feel like you have a good understanding of the human body and how it functions? Below is a basic physiology test for students that will give them an idea of what their degree of knowledge is like. Why don’t you give it a shot and find out where you stand!
- 1.Hormones consist of all the following except
- A.
Steroids
- B.
Proteins
- C.
Carbohydrates
- D.
Amines
- 2.ِAction potential occurs in all of the following except :
- A.
Neuron membrane
- B.
Muscle membrane
- C.
Schwann cells that surround the axon of the neuron
- D.
None of the above
- 3.Absolute refractory period is
- A.
The period at which the neuron obey triggering action potentials
- B.
The second action potential cannot be intiated
- C.
The period which the neuron responds to stimulation by stronger stimulus
- D.
A+b
- 4.Which of the following is wrong about resting membrane potential :
- A.
More permeability to K+ than Na+
- B.
The Na+-K+ pump is inhibited
- C.
Has negative potential on the inside
- D.
Is close to the equilibrium of K+
- 5.All the following sentences are true about action potential except :
- A.
Is produced by the opening of Na+ and K+ voltage gated channels
- B.
Is produced only in cell that have negative resting membrane potential
- C.
Is graded responses
- D.
Its fast upstroke is produced by influx of Na+
- 6.Salutatory conduction :
- A.
Describes fast conduction of action potential in myelinated neuron
- B.
Involves the action potential jumping from one node of Ranvier to the next
- C.
Saves large quantity of ATP
- D.
All the above are true
- 7.The membrane is more permeable to K+ than Na+ :
- A.
At resting potential
- B.
During the rising phase of action potential
- C.
During the falling phase of action potential
- D.
All the above
- E.
A +C
- 8.Which ion has low concentration outside the cell membrane?
- A.
Sodium
- B.
Potassium
- C.
Chloride
- D.
D- A&C
- 9.Sodium potassium pump:
- A.
Actively Transports 3 Na+ inside & 2K+ outside
- B.
Passively Transports 3 Na+ outside & 2K+ inside.
- C.
Passively Transports 3 Na+ inside & 2K+ outside
- D.
Actively Transports 3 Na+ outside & 2K+ inside.
- 10.Stretch channels diffuse Na+ because they stretch whenever a neurotransmitter binds to it.
- A.
True
- B.
False
- 11.The membrane can be stimulated by a supra-threshold stimulus during:
- A.
Relative Refractory period.
- B.
Absolute refractory period
- C.
Resting membrane potential
- D.
A & C
- 12.Salutatory potential:
- A.
Also named point-to-point movement.
- B.
Consumes more ATP
- C.
Occur in the dendrites of nerves
- D.
None of the above
- 13.Chemical synapses are faster than electrical synapses because:
- A.
Neurotransmitters travel through synaptic cleft.
- B.
Chemical interaction between regulators and receptors are much faster than ion movement.
- C.
Because jap junctions are slower than Neurotransmitters
- D.
This statement is false
- 14.Anion channels pass positive ions like Na+ because they are lined with negative charges.
- A.
True
- B.
False
- 15.To increase the excitability of the cell membrane (excite it):
- A.
Open chloride ion channels
- B.
Increase conductance of K+
- C.
Decreasing excitatory membrane receptors.
- D.
Increasing the activity of sodium-potassium pump
- E.
None of the above
- 16.The sinus node is:
- A.
Excitable muscle fibers
- B.
Excitable nerve fibers.
- C.
Found between myelin sheaths.
- D.
Found in the brain
- 17.To increase transmission of information across synapse:
- A.
We increase the number of action potentials
- B.
Increase in the synthesis of neurotransmitters
- C.
Increasing receptors on postsynaptic membrane
- D.
Producing antagonists
- E.
All excepts D
- 18.What stops K+ to move outside the membrane?
- A.
Concentration difference
- B.
Concentration gradient
- C.
Repulsion force
- D.
Osmotic pressure
- 19.The default state of Na voltage gated channel:
- A.
Activation gates are closed & inactivation gates are open
- B.
Activation gates are closed & inactivation gates are closed
- C.
Inactivation gates are closed & activation gates are open
- D.
Both activation & inactivation are open.
- 20.Action potential amplitude cannot be increased or decreased because:
- A.
All or none concept
- B.
Local current
- C.
Graded potential
- D.
Decreased potential permeability
- 21.To increase conduction velocity in nerves:
- A.
We use unmyelinated cells because they are thinner
- B.
Decrease the temperature
- C.
Decrease fluidity of membrane to make it solidify
- D.
Raise pH of the solution.
- 22.The nervous system is composed of:
- A.
Central nervous system & cardiovascular system
- B.
Central nervous system & peripheral nervous system
- C.
Peripheral nervous system & motor nerves
- D.
None of the above
- 23.What is a bouton?
- A.
A synapse
- B.
Terminal knobs
- C.
Presynaptic membrane
- D.
Postsynaptic membrane
- E.
B & C
- 24.Fatigue is:
- A.
Destruction of muscle fibers
- B.
Scale of measurement for death in tissue
- C.
A protective mechanism that prevents causing damage to cells
- D.
A+B
- 25.When the presynaptic membrane of terminals connect to dendrites, the postsynaptic membrane is:
- A.
Axodendritic
- B.
Axosomatic
- C.
Axoaxonic
- D.
Terminodendratic
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