Unit 1 Exam Practice

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Which four elements make up more than 96% of the human body?

• Oxygen, carbon, hydrogen, and iron
• Carbon, hydrogen, calcium, and oxygen
• Nitrogen, oxygen, carbon, and sodium
• Oxygen, carbon, hydrogen, and nitrogen

What is the term for programmed cell death?

• Apoptosis
• Annihilation
• Rigor Mortis
• Cell selection

Hydrophobic means "water loving"

• True
• False

Abdominal regions are used to locate organs in anatomical studies. How many are there?

• 8
• 4
• 6
• 9

Which statement about the plasma membrane is true?

• Phospholipids in the cell membrane are stationary.
• Cholesterol helps keep the plasma membrane pliable.
• Proteins embedded in the cell wall act as channels.
• The plasma membrane forms a barrier to prevent the infusion of water and solutes.

The _________________ plane divides the body into superior and inferior.

• sagittal
• frontal
• axial
• transverse

Which body cavity houses the liver

• Pelvic cavity
• Umbilical cavity
• Abdominal cavity
• Hypogastric cavity

The normal PH of human blood is:

• 7.35-7.45
• 7-9
• 5.75-6.25
• 10