Health Moodle Quizzes (Unit 5)

C

A skin problem that is caused by a virus is a. ringworm b. eczema c. warts d. athlete's foot

C

Cells in the eye that allow us to see color are called a. rods b. choroid cells c. cones d. optic cells

D

Functions of the skin include a. protecting the body from pathogens. b. controlling internal body temperature. c. sensing pressure, pain, heat, and cold. d. all of the above

A

In a compound fracture, a. the broken end of the bone cuts through the skin b. the fracture is partially across the bone c. the two parts of the bone do not separate d. the broken bone does not break through the skin

C

Muscle tone is a. the inflammation of a tendon b. a type of muscle that forms the wall of the heart c. the natural tension in the fibers of muscles d. an inherited disorder in which muscle fibers are destroyed

B

The autonomic nervous system controls a. messages from receptors in the eyes and skin b. involuntary functions such as digestion c. secretions from the pituitary fland d. voluntary muscle movements

D

The central nervous system consists of a. the brain, spinal cord, and sensory receptors b. the dendrites and axons c. the peripheral nervous system d. the brain and spinal cord

A

The eye problem called myopia may be caused by a. misshapen corneas b. high pressure in the eye c. pathogens infecting the eye d. damage to the retina

D

The main function of the respiratory system is a. the carrying of nutrients to body cells b. the prevention of diseases caused by pathogens c. the elimination of wastes from the body d. the exchange of gases between the body and the environment

D

The most important decision you can make for your respiratory health is a. not to increase respiration during exercise b. to ignore common respiratory infections c. to clear the sinuses d. not to smoke

C

The muscle that closes a joint is the a. fiber b. extensor c. flexor d. smooth

B

The outermost layer of the eye is made up of the a. vitreous humor and optic nerve b. sclera and cornea c. pupil and lens d. retina and iris

D

The spinal cord is a a. fluid that absorbs shock b. bony column of vertebrae c. connective tissue that protects the brain d. long column of nerve tissue

A

Through which series of structures does light pass into the eye? a. vitreous humor, pupil, sclera b. cornea, pupil, lens c. retina, iris, choroids d. lens, choroid, iris

D

What are the secretions from the stomach lining that contain hydrochloric acid and pepsin? a. bile b. roughage c. chime d. gastric juices

A

What can help control the spread of head lice? a. frequently vacuuming at home b. following a well-balanced eating plan c. frequently wearing hats d. using curling irons or hot combs

D

What clear fluid fills the spaces around body cells? a. platelets b. plasma c. anemia d. lymph

A

What connects the throat and the trachea? a. larynx b. diaphragm c. epiglottis d. pulmonary artery

B

What is a contagious bacterial infection that usually affects the lungs? a. sinusitis b. tuberculosis c. bronchitis d. emphysema

A

What is one way to keep the skin healthy? a. choosing nonirritating skin-care products b. avoiding foods that are rich in vitamin A c. washing with strong soap several times a day d. frequently touching the skin with the hands

D

What is the fluid in blood that contains water, nutrients, proteins, salts, and hormones? a. atria b. platelets c. hemoglobin d. plasma

C

What results when the ligaments that attach a bone at a joint are torn as the bone slips out of place? a. bunion b. bursitis c. dislocation d. torn cartilage

B

What type of muscles are in the lining of blood vessels? a. cardiac muscles b. smooth muscles c. striated muscles d. fiber muscles

C

When sound waves enter the ear, they cause the eardrum to a. send messages to the brain b. stimulate receptor cells c. vibrate d. interpret sounds

A

Which disorder of the nervous system is characterized by recurrent seizures? a. epilepsy b. Parkinson's disease c. multiple sclerosis d, Alzheimer's disease

D

Which is NOT a function accomplished by the work of the heart? a. Oxygen is carried from the lungs to body cells. b. Waste products are carried to the kidneys for removal. c. Nutrients are absorbed and carried to body cells. d. Carbon dioxide is carried from the air to the lungs.

C

Which is NOT a function of the skeletal system? a. protects internal tissues and organs b. produces new red and white blood cells c. prevents movement of limbs and digits d. acts as a framework for attached muscles

B

Which is NOT a healthful behavior that will have a positive effect on the digestive system? a. Follow a well-balanced diet. b. Eat quickly and avoid chewing your food thoroughly. c. Wash your hands before sitting down to eat. d. Drink at least eight 8-ounce glasses of water a day.

A

Which is NOT a tip for caring for the muscular system? a. Eat foods that are low in protein. b. Use proper equipment during physical activity. c. Practice good posture. d. Get regular exercise.

B

Which is NOT one of the three main processes of the digestive system? a. absorption b. circulation c. elimination d. digestion

D

Which is a flap of tissue that folds down to close off the entrance to the larynx and trachea when you swallow? a. alveolus b. alveoli c. diaphragm d. epiglottis

B

Which is not a function of connective tissue? a. attach bone to muscles b. prevent degenerative disorders c. attach bone to bone d. cushion the bones

C

Which problem of the muscular system results when muscles are stretched or partially torn from overexertion? a. muscle bruise b. hernia c. muscle sprain d. muscular dystrophy

D

Which statement about the nails is false? a. Nails are made of dead cells containing keratin. b. Nails protect and support the fingers and toes. c. Trimming toenails straight across helps prevent ingrown nails. d. Keeping toenails long reduces the risk of nail infections.

C

Which structure of the digestive system is the main site of nutrient absorption? a. stomach b. large intestine c. small intestine d. esophagus

A

Which type of joint is a knee? a. a hinge joint b. a pivot joint c. a ball-and-socket joint d. an ellipsoidal joint

D

Which type of neuron carries messages from the CNS back to muscles or glands in response to a sensory impulse? a. sensory neurons b. interneurons c. nerve neurons d. motor neurons

B

Which vessels return blood to the heart? a. arteries b. veins c. arterioles d. capillaries