Nokea
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.
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Which is the term for the passage of water containing dissolved materials through a membrane as the result of a greater mechanical force on one side?
- A. Metabolism
- B. Mitosis
- C. Filtration
- D. Osmosis
Correct Answer: C
Rationale: Filtration is the movement of water and particles through a membrane by a force from either pressure or gravity.
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.
Which is a group of several different kinds of tissues arranged so that together they can perform a more complex function than any tissue alone?
- A. Organ
- B. System
- C. Cell
- D. Endoplasmic reticulum
Correct Answer: A
Rationale: When several kinds of tissues are united to perform a more complex function than any tissue alone, they are called organs.
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.
What does the transverse body plane divide?
- A. The front and back (coronal) of the body
- B. The body lengthwise (two equal halves)
- C. The superior and inferior portions of the body
- D. The body into axial and appendicular
Correct Answer: C
Rationale: The transverse plane cuts the body horizontally into the sagittal and the frontal planes, dividing the body into caudal and cranial portions.