Name____________________________________________Period_______Date______________ EXAM 7R - NERVOUS AND ENDOCRINE SYSTEMS PART 1 -Multiple Choice 1. The male reproductive hormone is a. testosterone b. estrogen c. adrenaline d. progesterone 2. Reflexes are controlled by the a. brain b. spinal cord c. muscles d. bones 3. An impulse moves from one neuron to another across a small space called a a. dendrite b. synapse c. terminal branch d. impulse 4. A message carried by a neuron is called a(n) a. hormone b. impulse c. nerve d. gland 5. In order for an impulse to travel to the next neuron the terminal branches must release ______ into the synapse. a. hormones b. messages c. blood d. neurotransmitters 6. The brain and the spinal cord make up the ____ nervous system. a. peripheral b. central c. entire d. impulse 7. The main job of the brain is to send a. oxygen b. blood c. hormones d. messages 8. An example of a receptor is the a. brain b. tongue c. spinal cord d. nerves 9. Which term describes an organism’s ability to maintain a stable internal environment? a. reproduction c. locomotion b. transport d. regulation 10. The hormone which lowers the amount of sugar in your blood is called a. adrenaline b. growth hormone c. insulin d. glucagon 11. The largest part of the brain, where impulses from the senses are interpreted, is called the a. cerebrum b. cerebellum c. medulla d. axon 12. Messages from receptors are carried to the brain by ____________ neurons. a. inter b. motor c. sensory d. hormone 13. Hormones made by endocrine glands travel through the a. spinal cord b. nerve c. blood d. brain

14. Any change inside or outside your body that brings about a response is called a a. stimulus b. response c. receptor d. Reflex

15. An example of effectors are a. muscles b. eyes c. hair d. ears 16. The branches that pick up an impulse at the beginning of a neuron are called a. dendrites b. cell bodies c. axons d. terminal branches

117. The part of the brain that controls your balance is the a. cerebrum b. cerebellum c. medulla

18. Which gland releases adrenaline, which is released in times of emergency, to increase heart rate? a. thyroid b. adrenal glands c. ovaries d. thymus 19. Which gland secretes growth hormone? a. testes b. thymus c. pancreas d. pituitary gland 20. The hormone released by the ovaries which controls the development of a female’s secondary sex characteristics is called a. testosterone b. estrogen c. adrenaline d. insulin 21.The part of the brain that controls memory is the a. cerebrum b. cerebellum c. medulla 22. Chemicals messengers released by endocrine glands. a. hormones b. impulses c. blood d. effectors 23. The gland that controls metabolism is called the a. thyroid c. pituitary gland b. adrenal glands d. thymus 24. What part of the body carries out a response? a. impulse b. stimulus c. receptor d. effector

25. Which is a correct route of an impulse in a reflex arc? a. receptor à sensory neuron à interneuron à motor neuron à effector b. effector à receptor à motor neuron à sensory neuron à interneuron c. sensory neuron à effector à motor neuron à receptor à interneuron d. motor neuron à sensory neuron à interneuron à effector à receptor 26. The diagram below represents nerve cell X releasing substance A.

Substance A represents a a. stimulus b. hormone c. receptor d. neurotransmitter 27. The diagram below shows the interaction between blood sugar levels and the activity of certain glands.

30. This system is one way that the human body a. circulates gases c. destroys viruses b. maintains homeostasis d. transports nutrients

PART 2 – Answer the questions below in the space provided. 1. You are sitting in your living room and the telephone rings. You get up and answer it. Identify the following:

a. Stimulus: ____________________________ c. Effector: ______________________________ b. Receptor:____________________________ d. Response: ____________________________

2. Label the parts of the neuron as show in the diagram .

3. Label the parts of the brain as show in the diagram using the word box below. Identify the part of the brain being described. ____________________d. Which part of the brain is in charge of balance and coordinating all of the muscles? ____________________e. Which part of the brain controls thinking, moving and sensing? ____________________f. Which part of the brain keeps your heartbeat and your breathing regular? 4. Use the diagram below of the endocrine system to answer the following questions.

A

B

C

D

A. ____________________________

B. ____________________________

C. ____________________________

D. ____________________________

A. ____________________________

B. ____________________________

C. ____________________________

A

B C

a. Which letter represents a gland which controls metabolism? __________ b. Which letter represents a gland that produces growth hormone? __________ c. Which letter represents the glands known as the ovaries? ___________ d. Which letter represents the gland known as the parathyroid? ________ e. On which structure are the Islets of Langerhans found? _______ f. What hormone is produced by the glands labeled E? ____________________ g. Label the following glands: B.____________________ E.____________________

E

E. ____________________________