Question

Chemicals which are released at the synaptic junction are called

• A. hormones
• B. neurotransmitters
• C. cerebrospinal fluid
• D. lymph

Answer 1

The correct option is B

neurotransmitters

The correct option is B.

Explanation of correct option :

1. Neurotransmitters are substances in the brain that aid in the communication of information throughout the body.
2. They transmit impulses between neurons, which are nerve cells.
3. They are the molecules that allow signals to go across synapses from one neuron to the next.
4. Neurotransmitters example include acetylcholine, GABA.

Explanation of incorrect options:

Option A:

1. Hormones are chemical messengers in the body that flow through the bloodstream to tissues and organs.
2. They have a long-term effect on several systems, including growth and development, metabolism, reproduction, and mood.

Option C:

1. Cerebrospinal fluid is a colorless, transparent bodily fluid that surrounds the brain and spinal cord of vertebrates.
2. The cerebrospinal fluid's principal role is to cushion the brain within the skull and act as a shock absorber for the neurological system.

Option D:

1. Lymph is a fluid that runs through the lymphatic system, which is made up of lymph veins and intervening lymph nodes and has the job of returning fluid from the tissues to the central circulation.

Final answer: Chemicals that are released at the synaptic junction are called neurotransmitters.