Autonomic Nervous System

Question 1

What are three examples of positive feedback control in the human body?

Answer 1

-Generation of an action potential
-Coagulation Cascade
-Childbirth

Question 2

What does negative feedback systems do?

Answer 2

Reverses a disturbance in some factors and leads to stability.

Question 3

What does positive feedback systems do?

Answer 3

Enhances or accelerate in some factor and usually lead to instability.

Question 4

Control of serum sodium concentration is a negative or positive feedback?

Answer 4

Negative

Question 5

Which feedback system leads to instability in a vital parameter?

Answer 5

Positive

Question 6

Which feedback system leads to stability in a vital parameter?

Answer 6

Negative

Question 7

Which method of cell signaling occurs when a cell responds to a chemical signaling molecule that the cell itself produced and secreted?

Answer 7

Autocrine signlaing

Question 8

What are the three main methods of intercellular communication

Answer 8

-Endocrine
-Paracrine
-Autocrine

Question 9

What is the conversion of information into a chemical change called?

Answer 9

Signal transduction

Question 10

Which cell signaling method uses a chemical secreted into the blood that acts on a distant target?

Answer 10

Endocrine cell signaling

Question 11

Which cell signaling method involves a chemical molecule released by one cell that acts locally on a neighboring cell?

Answer 11

Paracrine cell signaling

Question 12

Neurotransmitter signaling is a specific form of which type of cell communication method?

Answer 12

Paracrine signaling

Question 13

Define signal transduction

Answer 13

Signal transduction is the conversion of extracellular information into an intracellular chemical change

Question 14

A chemical molecule that binds to a receptor and initiates a cellular response is called a?

Answer 14

Ligand