Neural Control and Coordination

Which of the following correctly matches the brain region with its primary function?

1. Cerebellum - Memory and intelligence
2. Medulla oblongata - Voluntary movement initiation
3. Cerebrum - Conscious thinking and voluntary control
4. Thalamus - Digestion control

The protective membranes surrounding the brain and spinal cord are called:

1. Pleura
2. Pericardium
3. Meninges
4. Peritoneum

The resting membrane potential of a neuron is maintained mainly by the:

1. Calcium pump
2. Sodium-potassium pump
3. Chloride pump
4. Proton pump

Which structure connects the two cerebral hemispheres?

1. Pons
2. Corpus callosum
3. Thalamus
4. Medulla oblongata

The sympathetic nervous system generally prepares the body for:

1. Digestion and relaxation
2. Rest and sleep
3. Fight or flight response
4. Protein synthesis

Which division of the nervous system controls voluntary activities?

1. Autonomic nervous system
2. Sympathetic nervous system
3. Somatic nervous system
4. Parasympathetic nervous system

The reflex arc does not necessarily involve which part during the initial response?

1. Receptor
2. Sensory neuron
3. Brain
4. Motor neuron

Which neurotransmitter is released at the neuromuscular junction?

1. Adrenaline
2. Dopamine
3. Acetylcholine
4. Serotonin

The largest part of the human brain is the:

1. Cerebellum
2. Medulla oblongata
3. Cerebrum
4. Pons

The involuntary activities such as heartbeat and breathing are mainly controlled by the:

1. Cerebrum
2. Cerebellum
3. Medulla oblongata
4. Hypothalamus

Which part of the brain is responsible for maintaining body balance and posture?

1. Cerebrum
2. Medulla oblongata
3. Cerebellum
4. Thalamus

The gap between two adjacent neurons is called the:

1. Axon hillock
2. Synapse
3. Node of Ranvier
4. Dendrite

Which ion is mainly responsible for depolarization during the generation of an action potential?

1. Calcium (Ca2+)
2. Potassium (K+)
3. Sodium (Na+)
4. Chloride (Cl-)

The insulating covering around many axons is known as the:

1. Neurilemma
2. Myelin sheath
3. Synapse
4. Node of Ranvier

Which of the following is the structural and functional unit of the nervous system?

1. Nephron
2. Neuron
3. Osteocyte
4. Alveolus