Question 1

The part of the brain that is responsible for thinking, remembering and feeling is:

  a) the cerebrum.

  b) the diencephalons.

  c) the cerebellum.

  d) the thalamus.

 

Question 2

The outer protective layer of the human eye is called the:

  a) cornea.

  b) aqueous humor.

  c) sclera.

  d) lens.

 

Question 3

What empties the urine to the outside of the body?

  a) ureter.

  b) kidneys.

  c) bladder.

  d) urethra.

 

Question 4

The immune system is made up of:

  a) organs located in the chest area.

  b) organs and tissues scattered throughout the body.

  c) the thymus.

  d) the bone marrow.

 

Question 5

Which of the following IS NOT an example of nonspecific immunity?

  a) natural killer cells

  b) T cells

  c) lysozyme in saliva

  d) complement system

 

Question 6

Helper T cells produce chemicals called:

  a) lymphokines.

  b) lysozymes.

  c) interferons.

  d) monocytes.

 

Question 7

Which type of immune cell does HIV attack?

  a) B cells

  b) T helper cells

  c) killer T cells

  d) macrophages

 

Question 8

The first thing that a nervous stimulus does is to:

  a) open sodium ion channels.

  b) close sodium ion channels.

  c) open potassium ion channels.

  d) close potassium ion channels.

 

Question 9

Which of the following IS NOT a function of excretion?

  a) maintain the proper concentrations of dissolved substances in the blood

  b) maintain the proper concentration of water throughout the body

  c) remove metabolic wastes such as CO2

  d) remove digestive wastes such as fiber

 

Question 10

The Eustachian tube connects:

  a) the outer and the middle ear.

  b) the middle ear and the nasopharynx.

  c) the outer ear and the nasopharynx.

  d) the middle ear and the inner ear.

 

Question 11

Which of the following IS NOT a symptom of inflammation?

  a) pain

  b) heat

  c) redness

  d) itching

 

Question 12

The purpose of vaccination is to:

  a) elicit an antibody response while causing a mild form of the disease.

  b) elicit an immune response without causing the disease.

  c) prime the immune system to respond to any type of infection.

  d) allow passive immunity while causing a mild form of the disease.

 

Question 13

The sea turtle cries because:

  a) he is sad.

  b) to eliminate excess water from his body.

  c) to eliminate excess salt from his body.

  d) to maintain his temperature.

 

Question 14

The part of the nerve cell that receives the impulses from sensory cells is called:

  a) the cell body.

  b) the axon.

  c) the dendrite.

  d) the interneuron.

 

Question 15

Bats use what type of sound as sonar?

  a) infrasound

  b) low frequency sound

  c) high frequency sound

  d) long wavelength sound

 

Question 16

The carbon dioxide produced by cellular respiration is excreted in humans:

  a) through the kidneys.

  b) through the lungs.

  c) through the feces.

  d) through the skin.

 

Question 17

Which of the following passes through the walls of the capillary in the glomerular capsule?

  a) white blood cells

  b) red blood cells

  c) glucose

  d) proteins

 

Question 18

The type of T cell that persists for the life of an individual is called:

  a) helper T cells.

  b) suppressor T cells.

  c) memory T cells.

  d) cytotoxic T cells.

 

Question 19

If you are hot, your body will:

  a) begin to contract and relax your skeletal muscles.

  b) dilate blood vessels close to the skin.

  c) begin to shiver.

  d) constrict blood vessels close to the skin.

 

Question 20

Which type of organisms have kidneys?

  a) insects

  b) mollusks

  c) vertebrates