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bio c 8, 9 (nervous & digestive systems)

Total questions: 59

Worksheet time: 30mins

Name
Class
Date
1.

The disease of the spinal cord that is caused by a virus destroying motor neurons:

a)

poliomyelitis

b)

botulism

c)

multiple sclerosis

d)

Parkinson's disease

2.

What are the fibers of a neuron that carry information toward the cell body?

a)

ganglia

b)

axons

c)

dendrites

d)

synapse

3.

What are the neurons that relay messages between other neurons?

a)

sensory neurons

b)

messenger neurons

c)

motor neurons

d)

interneurons

4.

The energy carrier of the cell:

a)

amino acid

b)

ATP

c)

carbohydrate

d)

fat

e)

lipid

5.

Cereals, bread, potatoes, pasta, & rice are rich in:

a)

simple carbohydrates

b)

lipids

c)

fat

d)

complex carbohydrates

6.

The building block of a protein:

a)

carbohydrate

b)

protein

c)

dietary fiber

d)

lipid

e)

amino acid

7.

The complex organic molecule used to build & maintain living cells:

a)

protein

b)

fat

c)

lipid

d)

carbohydrate

e)

dietary fiber

8.

What are the 4 front teeth on each jaw, which cut food?

a)

molars

b)

incisors

c)

bicuspids

d)

cuspids

9.

What type of nutrient are starches & sugars?

a)

carbohydrates

b)

minerals

c)

proteins

d)

lipids

10.

What is the long fiber of a neuron that transmits signals from the cell body to other nerve cells?

a)

ganglion

b)

axon

c)

dendrite

d)

synapse

11.

What is another name for the digestive tract?

a)

food channel

b)

digestive system

c)

mucosal tube

d)

alimentary canal

12.

What division of the nervous system includes the cranial & spinal nerves?

a)

axial nervous system

b)

central nervous system

c)

appendicular nervous system

d)

peripheral nervous system

13.

What is the lowest part of the brain stem, which controls breathing & heartbeat?

a)

pons

b)

medulla oblongata

c)

midbrain

d)

reticular formation

14.

Which are water-soluble vitamins?

a)

vitamin A

b)

vitamin K

c)

vitamin C

d)

vitamin D

e)

B-complex vitamins

15.

What are fats that are liquid at room temperature called?

a)

oils

b)

phospholipids

c)

fatty acids

d)

lipoproteins

16.

What are the protective layers of tissue that surrounds the brain & spinal cord?

a)

microglia

b)

myelins

c)

meninges

d)

ganglia

17.

What is defective vision caused by an asymmetrically curved cornea?

a)

astigmatism

b)

myopia

c)

hyperopia

d)

presbyopia

e)

glaucoma

18.

What part of the brain functions primarily to coordinate skeletal muscle activity?

a)

limbic system

b)

cerebrum

c)

brain stem

d)

cerebellum

19.

What part of the brain is primarily responsible for thought, memory, voluntary actions, thinking, & intelligence?

a)

limbic system

b)

cerebrum

c)

brain stem

d)

cerebellum

e)

spinal cord

20.

What is a serious injury of the nervous system caused by an internal blockage or rupture of a blood vessel in the brain?

a)

amnesia

b)

stroke

c)

concussion

d)

neuritis

e)

multiple sclerosis

21.

What are the special structures in the ear that contribute to balance?

a)

cochleae

b)

semicircular canals

c)

eustachian tubes

d)

tympanic membranes

e)

hammer, anvil, & stirrup

22.

What is the snail shaped structure of the inner ear that senses sound wave vibrations and converts them to nerve impulses?

a)

cochlea

b)

semicircular canals

c)

eustachian tubes

d)

tympanic membrane (eardrum)

e)

hammer, anvil, & stirrup

23.

Neurons that carry information from the brain & spinal cord to the body parts are called interneurons.

a)

true

b)

false; motor neurons

c)

false; sensory neurons

d)

false; pain receptor neurons

24.

Any junction that allows an impulse to be transmitted from a nerve cell to another cell is a synapse.

a)

true

b)

false; nerve junction

c)

false; dendrite joint

d)

false; axon terminal

25.

The part of the retina that produces the clearest vision:

a)

choroid

b)

cornea

c)

fovea

d)

retina

e)

uvea

26.

The simplest type of nerve pathway involving quick, automatic responses to stimuli is called a(n):

a)

synapse

b)

action response

c)

sympathetic response

d)

reflex arc

27.

The tough, white outer layer of the eyeball:

a)

uvea

b)

sclera

c)

retina

d)

cornea

e)

pupil

28.

The structure that produces tears:

a)

cone

b)

cornea

c)

choroid

d)

optic nerve

e)

lacrimal gland

29.

The cell type that is responsible for color vision:

a)

rod

b)

cone

c)

iris

d)

uvea

e)

fovea

30.

The energy carrier of the cell:

a)

amino acid

b)

fat

c)

lipid

d)

protein

e)

ATP

31.

The nutrient that is the main source of energy for living things:

a)

carbohydrate

b)

protein

c)

lipid

d)

fat

e)

dietary fiber

32.

A camera's diaphragm helps control the amount of light that enters the camera; it operates by changing the size of the opening at its center. Which portion of the eye can be compared to a camera's diaphragm?

a)

retina

b)

iris

c)

uvea

d)

cornea

33.

Which is the best explanation of the purpose of Schwann cells?

a)

Schwann cells transmit impulses between neurons

b)

Schwann cells provide nutrition to neuron cell bodies

c)

Schwann cells protect neurons from damage.

d)

Schwann cells speed impulse transmission in neurons

34.

The exposed part of a tooth is the:

a)

root

b)

head

c)

crown

d)

neck

35.

The disease in which the gums detach from the teeth & the bones supporting the teeth may be destroyed is:

a)

plaque

b)

gingivitis

c)

dental caries

d)

periodontitis

36.

Another name for chewing:

a)

mastification

b)

masterfication

c)

mastication

d)

mastercation

37.

What acid does the stomach produce to kill bacteria & help soften foods?

a)

phosphoric acid

b)

hydrochloric acid

c)

sulfuric acid

d)

carbonic acid

38.

Which of the following are divisions of the small intestines?

a)

ileum

b)

jejunum

c)

rectum

d)

colon

e)

duodenum

39.

The rhythmic waves of muscular contractions that move food through the digestive system are called:

a)

peristalsis

b)

homeostasis

c)

epiphysis

d)

diaphysis

40.

The hollow area of a tooth that contains nerves & blood vessels:

a)

crown

b)

dentine

c)

pulp

d)

root

e)

enamel

41.

The process of breaking a droplet of fat into smaller droplets is called peristalsis.

a)

true

b)

false; emulsification

c)

false; secretion

d)

false; mastication

42.

The primary organ of digestion & absorption is the small intestine.

a)

true

b)

false; stomach

c)

false; large intestine

d)

false; liver

43.
a)

liver

b)

gallbladder

c)

pancreas

d)

stomach

e)

large intestine

44.
a)

liver

b)

gallbladder

c)

small intestine

d)

large intestine

45.

The technical name for cavities is dental caries.

a)

true

b)

false; dental decays

c)

false; enamel decay

d)

false; crown caries

46.

The tiny projections of the wall of the small intestine that help it absorb food are called:

a)

papilla

b)

villi

c)

epiglottis

d)

appendix

47.

The small flap of cartilage that keeps food out of he windpipe is the:

a)

pharynx

b)

larynx

c)

epiglottis

d)

villi

48.

Bile is produced by gallbladder and stored in the liver.

a)

true

b)

false

49.

The auditory nerve carries sound impulses from the inner ear to the brain.

a)

true

b)

false; median

c)

false; optical

50.

The wave of electrical activity that transmits an impulse down a nerve is an action potential.

a)

true

b)

false

51.

The "building blocks" of proteins are amino acids.

a)

true

b)

false

52.

The carbohydrate cellulose can be easily digested in the human digestive system.

a)

true

b)

false

53.

Which lobe of the brain controls personality, judgment, self-control, & voluntary movement of skeletal muscles?

a)

frontal

b)

parietal

c)

occipital

d)

temporal

54.

The thalamus is the structure within the limbic system that controls the physical effects of emotions.

a)

true

b)

false; amygdala

c)

false; hypothalamus

d)

false; hippocampus

55.

Myelin-covered nerve fibers form the white matter.

a)

true

b)

false; grey

c)

false; purple

d)

false; tan

56.

Which of the following best explains the relationship between the brain & the mind?

a)

the brain is the seat of the mind

b)

the brain is physical, but the mind is spiritual

c)

the brain controls body activities, but the mind controls emotions

d)

the brain and the mind are the same thing

57.

What type of nutrient should account for most of your total Calorie intake?

a)

proteins

b)

carbohydrates

c)

fats

d)

vitamins

58.

Which function of the stomach explains why it has 3 smooth muscle layers instead of 2 as mot other organs have?

a)

the stomach stores food until it is released to the small intestine

b)

the stomach produces pepsin and gastric amylase

c)

the stomach mixes food with gastric juice

d)

the stomach contracts when it has been empty for several hours

59.
a)

liver

b)

pancreas

c)

gallbladder

d)

stomach