Quiz 3

T cells and B cells are the main types of

• cytokines.

• macrophages.

• leukocytes.

• lymphocytes.

Which of the following is NOT a vector of disease?

• a tick

• contaminated soil

• a mosquito

• a rat

Jahni has a red, sore throat with white patches on the tonsils, swollen lymph nodes, fever, and a headache. Which type of bacteria most likely caused Jahni's symptoms?

• streptococcus

• mycobacterium

• Escherichia coli

• staphylococcus

The ventricles contract to pump blood out of the heart during ____, while the heart relaxes and fills with blood during ____.

• systole; diastole

• diastole; systole

• the systemic phase; the pulmonary phase

• the pulmonary phase; the systemic phase

Which statement BEST describes flexibility?

• It is the capacity to move rapidly during exercise.

• It refers to sustained motion without resistance.

• It is the ability of joints to move through their full range of motion.

• It is the ability to move without pain during strenuous exercise.

The body's first line of defense against the invasion of foreign organism is

• respiratory cilia.

• the skin.

• a fever.

• the white blood cells.

Meningitis is an infection of the

• lining of the gastrointestinal tract.

• membranes covering the brain and spinal cord.

• bone marrow and vertebrae.

• lung alveoli.

Pelvic inflammatory disease (PID) is a major complication of

• genital HPV infection and chlamydia.

• syphilis and herpes.

• gonorrhea and chlamydia.

• herpes and gonorrhea.

The best way to ensure consistency with an exercise program is to

• exercise with a friend.

• join a fitness club.

• keep a training journal.

• exercise first thing every day.

A reduction in the body's potential to repair and regenerate tissue is called _____ aging.

• Biological

• Psychological

• Chronological

• Sociological