PNB 2264 Final Cumulative Exam Questions and Answers 100% Pass
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Course
PNB 2264
Institution
PNB 2264
PNB 2264 Final Cumulative Exam
Questions and Answers 100% Pass
Choose the answer that best illustrates hierarchy of organization.
A. Blood levels of glucose are maintained within narrow limits
B. Organs are made up of molecules and tissues are made up of organ
systems
C. Diffusion occurs down...
B. The antiport of sodium and potassium ions by the Na+/K+ pump
C. Movement of water molecules into a hypertonic solution
D. Calcium entering the cell through a ligand gated ion channel - ✔✔B. The
antiport of sodium and potassium ions by the Na+/K+ pump
A cell is taken out of the body and placed into a test solution. The
concentration of solute X in the test solution is 100mM, and the
concentration of solute X inside the cell is 200mM. The cell membrane is
permeable to water but not solute X. Which of the following statements
is/are true?
A. There is a net flux of water out of the cell
B. The test solution is hypertonic
C. There is flux of water molecules into and out of the cell
D. All of the above are true - ✔✔C. There is flux of water molecules into
and out of the cell
The intervertebral disks are composed of _________ and connect
____________ .
A. Dense regular connective tissue; vertebral bodies
B. Fibrocartilage; spinous processes of cervical vertebrae
C. Fibrocartilage; vertebral bodies
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