Neurons and Nerve Cells Quiz

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What is the basic unit of the nervous system?

Dendrites

Neurons (correct)

Nerves

Axons

What is the function of the axon?

To convert chemical signals into electrical signals

To transmit messages from the cell body to the dendrites of other neurons (correct)

To receive messages from other nerve cells

To release neurotransmitters into the synapse

What is the role of the synapse in the transmission of a neural signal?

The synapse releases neurotransmitters that convert the chemical signal back into an electrical signal (correct)

The synapse amplifies the electrical signal before it is transmitted to the next neuron

The synapse transmits the electrical signal from the axon to the dendrite

The synapse converts the electrical signal into a chemical signal

What is the primary function of sensory neurons?

To detect light, sound, color, taste, pressure, heat, and send messages about those to the brain Signup and view all the answers

What is the primary function of motor neurons?

To transmit messages from the brain to the muscle to generate movement Signup and view all the answers

What is the primary function of interneurons?

To connect spinal motor and sensory neurons Signup and view all the answers

What is the role of dendrites in the transmission of a neural signal?

Dendrites carry impulses towards the cell body Signup and view all the answers

What is the primary function of the cell body of a neuron?

To generate the electrical signal that is transmitted down the axon Signup and view all the answers

Which type of hormones are made of fatty acids using cholesterol as a functional group?

Steroid hormones Signup and view all the answers

Where is the pituitary gland located in the body?

Base of the brain, below the hypothalamus Signup and view all the answers

What is the primary role of hormones in the body?

Acting like messenger molecules Signup and view all the answers

Which part of the pituitary gland handles functions related to the kidney and breast?

Posterior pituitary Signup and view all the answers

Which class of hormones is made up of amino acids joined by peptide bonds?

Peptides or Protein hormones Signup and view all the answers

Which statement best describes the role of the endocrine system in maintaining homeostasis?

The endocrine system secretes hormones that regulate various bodily functions to maintain a stable internal environment. Signup and view all the answers

What is the primary mechanism by which the endocrine system and the nervous system work together to maintain homeostasis?

Both systems use chemical signals to respond to changes that may disrupt homeostasis. Signup and view all the answers

Which statement about the transportation of hormones is incorrect?

Hormones are transported exclusively through the lymphatic system. Signup and view all the answers

Which of the following statements accurately describes the concept of homeostasis in the context of the endocrine system?

Homeostasis refers to the body's ability to maintain a relatively stable internal environment, despite external or internal changes. Signup and view all the answers

Which of the following statements accurately describes the relationship between the endocrine system and the nervous system in maintaining homeostasis?

Both the endocrine system and the nervous system use chemical signals to respond to changes that may disrupt homeostasis, and they work together to regulate the activities of other systems. Signup and view all the answers

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