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SOUTH UNIVERSITY NSG 5003 PATHOPHYSIOLOGY QUESTION BANK FOR FINAL EXAM, MIDTERM EXAM, WEEK 1 TO WEEK 10 QUIZ (2000 PLUS Q & A)(LATEST-2021) |100% CORRECT ANSWERS, DOWNLOAD TO SCORE “A”|$35.49
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SOUTH UNIVERSITY NSG 5003 PATHOPHYSIOLOGY QUESTION BANK FOR FINAL EXAM, MIDTERM EXAM, WEEK 1 TO WEEK 10 QUIZ (2000 PLUS Q & A)(LATEST-2021) |100% CORRECT ANSWERS, DOWNLOAD TO SCORE “A”|
SOUTH UNIVERSITY NSG 5003 PATHOPHYSIOLOGY QUESTION BANK FOR FINAL EXAM, MIDTERM EXAM, WEEK 1 TO WEEK 10 QUIZ (2000 PLUS Q & A)(LATEST-2021) |100% CORRECT ANSWERS, DOWNLOAD TO SCORE “A”|
south university nsg 5003 pathophysiology question bank for final exam
week 1 to week 10 quiz 2000 plus q amp alatest 2021 |100 correct answers
download to score “a”|
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,
, The lysosomal membrane acts as a protective shield between the powerful digestive enzymes
within the lysosome and the cytoplasm, preventing their leakage into the cytoplasmic matrix.
Disruption of the membrane by various treatments or cellular injury leads to a release of the
lysosomal enzymes, which can then react with their specific substrates, causing cellular self-
digestion. The other options do not correctly describe this process.
5. What is the sequence of steps in the development of a digestive enzyme by the pancreas cells
from the initial transcription to the release from the cell?
a. The enzyme is transcribed from DNA by RNA in the nucleus, proceeds to the
ribosome for synthesis, and is transported in a secretory vesicle to the cell
membrane.
b. The enzyme is transcribed from RNA by DNA in the nucleus, proceeds to the
lysosome for synthesis, and is transported in an encapsulated membrane to the cell
membrane.
c. The enzyme is transcribed by the mitochondria in the nucleus, proceeds to the
ribosome for synthesis, and is transported in a cytoskeleton to the cell membrane.
d. The enzyme is transcribed from DNA by RNA in the nucleus, proceeds to the
Golgi complex for synthesis, and is transported in a cytosol to the cell membrane.
ANS: A
The enzyme is transcribed from DNA by RNA in the nucleus, proceeds to the ribosome for
synthesis, and is transported in a secretory vesicle to the cell membrane. The other options do
not correctly describe this process.
6. During which phase of the cell cycle is DNA synthesized?
a. G1 c. G2
b. S d. M
ANS: B
The four designated phases of the cell cycle are: (1) the G1 phase (G = gap), which is the
period between the M phase (M = mitosis) and the start of DNA synthesis; (2) the S phase (S
= synthesis), during which DNA is synthesized in the cell nucleus; (3) the G2 phase, during
which RNA and protein synthesis occurs, the period between the completion of DNA
synthesis and the next phase (M); and (4) the M phase, which includes nuclear and
cytoplasmic division.
7. What organic compound facilitates transportation across cell membranes by acting as
receptors, transport channels for electrolytes, and enzymes to drive active pumps?
a. Lipids c. Proteins
b. Proteases d. Carbohydrates
ANS: C
Proteins act as (1) recognition and binding units (receptors) for substances moving in and out
of the cell; (2) pores or transport channels for various electrically charged particles called ions
or electrolytes and specific carriers for amino acids and monosaccharides; and (3) specific
enzymes that drive active pumps that promote the concentration of certain ions, particularly
potassium (K+), within the cell while keeping concentrations of other ions, for example,
sodium (Na+), below the concentrations found in the extracellular environment. The other
options do not correctly describe this process.
, 8. Understanding the various steps of proteolytic cascades, such as caspase-mediated apoptosis
and complement cascades, may be useful in designing drug therapy for which human
diseases?
a. Cardiac and vascular disorders
b. Autoimmune and malignant disorders
c. Gastrointestinal and renal disorders
d. Endocrine and gastrointestinal disorders
ANS: B
Understanding the various steps involved in this process is crucial for designing drug
interventions. Dysregulation of proteases features prominently in many human diseases,
including cancer, autoimmunity, and neurodegenerative disorders. The other options do not
correctly describe this process.
9. Which structure prevents water-soluble molecules from entering cells across the plasma
membrane?
a. Carbohydrate chains c. Membrane channel proteins
b. Glycoprotein channels d. Lipid bilayer
ANS: D
The bilayer’s structure accounts for one of the essential functions of the plasma membrane. It
is impermeable to most water-soluble molecules (molecules that dissolve in water) because
the water-soluble molecules are insoluble in the oily core region. The bilayer serves as a
barrier to the diffusion of water and hydrophilic substances while allowing lipid-soluble
molecules, such as oxygen (O2) and carbon dioxide (CO2), to diffuse through it readily. The
other options do not correctly describe this process.
10. The fluid mosaic model explains:
a. How a cell membrane functions
b. Why our bodies appear to be solid
c. How tissue is differentiated
d. How fluid moves between the intracellular and extracellular compartments
ANS: A
The fluid mosaic model accounts for the flexibility of cellular membranes, their self-sealing
properties, and their impermeability to many substances. The remaining options do not
explain the mosaic model.
11. Which form of cell communication is used to communicate within the cell itself and with
other cells in direct physical contact?
a. Protein channel (gap junction)
b. Plasma membrane–bound signaling molecules (involving receptors)
c. Hormone secretion such as neurotransmitters
d. Extracellular chemical messengers such as ligands
ANS: A
Cells communicate by using hundreds of kinds of signal molecules, for example, insulin.
Cells communicate in three main ways; they display plasma membrane–bound signaling
molecules (receptors) that affect the cell itself and other cells in direct physical contact. The
other options do not correctly describe this process.
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