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Studystack1
Quiz 1-5
| Question | Answer |
|---|---|
| Q: A frontal section divides the body into _____ portions. | Front and back |
| Q: The smallest living units of structure and function in the body are: | Cells |
| Q: Molecules are: | Atoms combined to form larger chemical aggregates |
| Q: Two major cavities of the human body are: | Ventral and dorsal |
| Q: Blood production is a function of which system? | Skeletal |
| Q: The lungs are located in the: | Thoracic cavity |
| Q: The structure called the “powerhouse” of the cell is the: | Mitochondria |
| Q: An ionic bond is formed by: | A positive and a negative ion attracting each other |
| Q: A solution with more OH⁻ than H⁺ is called: | Alkaline (basic) |
| Q: Atoms combine by gaining, losing, or sharing: | Electrons |
| Q: Atomic mass is determined by the number of: | Protons and neutrons |
| Q: The kind of element is determined by the number of: | Protons |
| Q: Hydrolysis is an example of which type of process? | Catabolic |
| Q: DNA is a major constituent of which cell organelle? | Nucleus |
| Q: The nucleolus is composed chiefly of: | rRNA |
| Q: Tiny indentations in the plasma membrane are called: | Caveolae |
| Q: The four principal tissue types are: | Epithelial, connective, muscle, nervous |
| Q: Which tissue lines body surfaces and cavities? | Epithelial |
| Q: The epidermis is composed mainly of: | Keratinocytes |
| Q: What protein gives toughness to skin, hair, and nails? | Keratin |
| Q: The pigment responsible for skin color is: | Melanin |
| Q: The dense fibrous membrane covering bone (except at joints) is: | Periosteum |
| Q: Compact bone contains many cylinder-shaped structural units called: | Osteons |
| Q: The axial skeleton consists of: | Skull, vertebral column, thoracic cage |
| Q: The appendicular skeleton consists of: | Limbs, shoulder girdle, pelvic girdle |
| Q: Anteriorly, the first seven pairs of ribs attach to: | Sternum |
| Q: Which lower leg bone is smaller and lateral? | Fibula |
| Q: The only movable joint in the skull involves which bone? | Mandible |