SBI 3U Internal Systems Practice Questions

What is your name? Give your last name, then first name.

Red blood cells are responsible for which one of the following:

• carrying oxygen throughout the body
• carrying hormones throughout the body
• fighting infection throughout the body
• getting rid of unwanted wastes

Venules are to veins as the ________________ are to bronchi.

• trachea
• bronchioles
• alveoli
• cilia

Which of the following vessels is narrower than an arteriole?

• aortic artery
• capillary
• artery
• vein

All of the following are components of the small intestine except the:

• ileum
• colon
• duodenum
• jejunum

The esophagus is to the digestive system what the ____________ is to the respiratory system.

• epiglottis
• lung
• cilia
• trachea

Peristalsis describes waves of ______________ muscle contractions:

• skeletal
• cardiac
• smooth
• myocardial

The white blood cells:

• use fibrin to close broken blood vessels.
• bind oxygen using hemoglobin.
• contain dissolved salts, proteins and hormones.
• attack foreign microscopic organisms.

Consider the three systems that we studied in this unit. The following structures are common to the digestive and respiratory systems, EXCEPT the:

• pharynx
• epiglottis
• oral cavity
• nasal cavity

The correct sequence of structures in the respiratory system from outside to inside is:

• nostrils, larynx, trachea, pharynx, bronchioles
• nostrils, bronchi, bronchioles, trachea, alveoli
• nostrils, larynx, bronchi, bronchioles, alveoli
• nostrils, bronchi, larynx, bronchioles, alveoli