Nokea
Which are the smallest living components in our body?
- A. Cells
- B. Organs
- C. Electrons
- D. Osmosis
Correct Answer: A
Rationale: Cells are considered to be the smallest living units of structure and function in our body.
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The nurse explains that pinocytosis is a process by which cells perform which action?
- A. divide.
- B. take in extracellular fluid.
- C. use a chemical pump.
- D. convert mitochondria.
Correct Answer: B
Rationale: Pinocytosis is a process by which the cell wall makes an indentation allowing extracellular fluid to fill in, then encloses it into the cell.
Which is the broad section of biology dealing with the description of human structure?
- A. Hematology
- B. Anatomy
- C. Kinesiology
- D. Physiology
Correct Answer: B
Rationale: Anatomy is the study, classification, and description of the structure and organs of the body.
The nurse clarifies that the three functions of epithelial tissue are protection, , and secretion.
Correct Answer: absorption
Rationale: The function of epithelial tissue is protection by covering the body and preventing invasion; absorption by absorbing material; and secretion by secreting mucus to line and moisten the body surfaces.
Which are passive transport mechanisms that move material across the cell membranes?
- A. Diffusion
- B. Evaporation
- C. Filtration
- D. Osmosis
- E. Mitosis
- F. Anaphase
Correct Answer: A,C,D
Rationale: The passive transport systems are diffusion,filtration and osmosis."
Telophase is which phase of cell reproduction during mitosis?
- A. First phase
- B. Latent phase
- C. Final phase
- D. Spindle phase
Correct Answer: C
Rationale: During this final phase of cell division, the two nuclei appear and the chromosomes disperse.