Basic Physiology Test For Students! MCQ Trivia Quiz

30 Questions | By Daoudsami1997 | Last updated: Mar 21, 2022 | Total Attempts: 1102

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Basic Physiology Test For Students! MCQ Trivia Quiz - Quiz

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!

Questions and Answers

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