BJU Life Science Chapter 16 Test Review

Which of the following is a part of the body's nonspecific defenses?

• antibody

• B cell

• fever

• lymphocyte

Which of the following is not an inflammatory response?

• tender, warm, and red skin surrounding a simple scrape

• irritated, red, and swollen gums resulting from gingivitis

• antibodies and memory cells attacking whooping cough bacteria in the body

• extra plasma and white blood cells being brought to the site of a lung infection

Macrophages know which substances are foreign and need to be attacked by the ______ on the substances' cell membranes.

• antibodies

• antigens

• B cells

• T cells

Antibodies are produced by ______.

A vaccine produces ______ immunity.

Signals from your brain or spinal cord to muscles and other parts of your body are carried by ______.

• cerebral neurons

• interneurons

• motor neurons

• sensory neurons

What is the small gap between the axon and dendrite of two nearby neurons?

• cell body

• impulse

• interneuron

• synapse

Which is the correct pathway of a reflex arc?

• motor neuron -> interneuron -> sensory neuron -> response

• motor neuron -> interneuron -> brain -> response

• sensory neuron -> response -> interneuron -> motor neuron

• sensory neuron -> interneuron -> motor neuron -> response

Which structure of the eye bends light and focuses an upside-down image?

• cornea

• lens

• iris

• retina

An infection in your semicircular canals would most likely affect your

• hearing

• sight

• balance

• taste