What type of cell is bacteria?

• eukaryotic
• prokaryotic
• multicellular

True or False: The human microbiome contains approximately 100 trillion microorganisms. Most of these are bacteria.

• True

• False

There are over ___________ microorganisms in the human body.

• 5,000

• 1 trillion

• 100 million

• 100 trillion

Extending from the cell body is one long fibre called a(n) _______ and smaller branched fibres called __________.

• axon, dendrites

• dendrites, axon

• axon, polar bodies

• Schwann cell, myelin sheath

Chemicals released into a cleft when an action potential reaches the terminal are called.....

• ligand gated ion channels

• synaptic vesicles

• neurotransmitters

• voltage gated ion channels

Which blood cells carry oxygen throughout the body?

• Red

• White

• Plasma

• Platelets

What is the function of white blood cells?

• carry oxygen

• fight infection

• carry nutrients

• clot blood

Which WBC is most numerous?

• basophil

• eosinophil

• neutrophil

• monocytes

Name the proteins on the surface of red blood cells.

• Antibodies

• Antigens

• Plasma

• Collagen

Which blood type is the universal recipient?

• AB+ 
• AB-
• O+
• O-