Nervous and Endocrine System Quiz
Preview:
If the environment gets cold, we will often shiver in order to:
A. keep body temperature the same as the external temperature
B. decrease body temperature
C. increase body temperature
D. regulate blood pressure
A. Nucleus
B. Cell Body
C. Axon
D. Node of Ranvier
What is a synapse?
A. controls movements of skeletal muscles, speech, and eyes
B. gap between neurons that allow action potential to move from one neuron to the next neuron
What is the point of a feedback loop?
A. To provide the body with more energy
B. To provide the body with more food
C. To make sure the conditions in the body are always changing
D. To make sure the conditions in the body remain stable
What is the main function of the endocrine system?
A. It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.
B. It creates electrical messages that are sent around the body to maintain homeostasis.
C. It maintains the correct level of oxygen in the body to maintain homeostasis.
D. All of above
Hormones travel through your
A. blood
B. bone marrow
C. neurons
D. brain
Hormones cause specific effects by ______.
A. Flooding the entire body
B. Targeting specific parts of the brain
C. Targeting specific groups of cells in the body
D. Spreading through the nervous system
Diabetes is a disease where some mammals cannot properly regulate
A. temperature
B. blood glucose
C. oxygen and carbon dioxide
D. water and solutes
What do Dendrites do?
A. Receives information from other neurons via neurotransmitters
B. Produces fatty tissue for the Myelin Sheath
C. Sends information to the next cell
D. Controls the speed of electrical signal through the axon
Homeostasis
A. allows for a wildly fluctuating internal environment
B. is impossible in vertebrates
C. is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
D. is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.
A. Positive Feedback Response
B. Negative Feedback Loop
Changes in chemicals, light, and sound are:
A. Impulses
B. Stimulus
C. Receptors
D. Regulation
Detects change and sends a message to the control center
A. receptor
B. control center
C. effector
D. regulation
The ______________ is the largest part of the brain
A. Cerebrum
B. Cerebellum
C. Amygdala
D. Hippocampus
E. Prefrontal Cortex
Things in the human body that need to stay the same
A. Glucose
B. Temperature
C. Blood Pressure
D. All of the above