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NUR 2063 ( LATEST 2024 / 2025 ) EXAM 1 CONCEPT REVIEW | GRADED A+ | PASSED | NEW FULL EXAM ACTUAL
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NUR 2063 ( LATEST 2024 / 2025 ) EXAM 1 CONCEPT REVIEW | GRADED A+ | PASSED | NEW FULL EXAM ACTUAL
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NUR 2063 Exam 1 Concept Review1. permeability
Answer
the state or quality of a material or membrane that causes it to allow liquids or gases to pass
through it.
2. diffusion
Answer
Movement of molecules from an area of higher concentration to an area of lower concentration.
3. osmosis
Answer
Diffusion of water through a selectively permeable membrane
4. active transport
Answer
the movement of ions or molecules across a cell membrane into a region of higher
concentration, assisted by enzymes and requiring energy.
5. Phagocytosis
Answer
process in which extensions of cytoplasm surround and engulf large particles and take them
into the cell
6. passive transport
Answer
the movement of substances across a cell membrane without the use of energy by the cell
7. Where does ATP come from?
Answer
mitochondria
,8. cell proliferation
Answer
the act of a single cell or group of cells to reproduce and multiply in number, can destroy tissue
and cause death
9. hypertonic
Answer
when comparing two solutions, the solution with the greater concen- tration of solutes
10. hypotonic
Answer
when comparing two solutions, the solution with the lesser concen- tration of solutes
11. What do ribosomes produce?
Answer
proteins by following coded instructions that come from DNA
12. What is the endoplasmic reticulum?
Answer
a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the
nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid
synthesis.
13. What is homeostasis?
Answer
process by which organisms maintain a relatively sta- ble internal environment
14. What alters homeostasis?
Answer
fever, stress, pregnancy, illness
15. endocytosis
Answer
A process in which a cell engulfs extracellular material through an inward folding of its plasma
, membrane.
16. Pinocytosis
Answer
A type of endocytosis in which the cell ingests extracellular fluid and its dissolved solutes.
17. Hypertropy
Answer
An excessive enlargement or overgrowth of tissue
18. Hyperplasia
Answer
the enlargement of an organ or tissue because of an abnormal increase in the number of cells in
the tissues
19. atrophy
Answer
(n.) the wasting away of a body organ or tissue; any progressive decline or failure; (v.) to waste
away
20. cachexia
Answer
a condition of physical wasting away due to the loss of weight and muscle mass that occurs in
patients with diseases such as advanced cancer or AIDS
21. signs and symptoms of metabolic alkalosis
Answer
- restlessness, followed by lethargy
- dysrhythmias (tachycardia, bradycardia)
- compensatory hypoventilation
- confusion, decreased LOC, dizzy, irritable
- nausea, vomiting, diarrhea
- tremors, muscle cramps, tingling of fingers and toes*
- hypokalemia
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