NURS 6501-Advanced Pathophysiology Quiz 1 questions with correct answers
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RN- Nursing
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RN- Nursing
How are cells specialized? Correct Answer-through the process of differentiation or maturation
What are the eight specialized cellular functions? Correct Answer-movement, conductivity, metabolic absorption, secretion, excretion, respiration, reproduction, and communication
What are the three ...
NURS 6501-Advanced Pathophysiology Quiz 1
questions with correct answers
How are cells specialized? Correct Answer-through the process of
differentiation or maturation
What are the eight specialized cellular functions? Correct Answer-
movement, conductivity, metabolic absorption, secretion, excretion,
respiration, reproduction, and communication
What are the three general components of an eukaryotic cell? Correct
Answer-the plasma membrane, the cytoplasm, and the intracellular
organelles.
What causes the release of lysosomal enzemes? Correct Answer-Cellular
injury causing cellular self-digestion
What is the location and function of the nucleus? Correct Answer-the
largest membrane-bound organelle and is found usually in the cell's
center. The chief functions of the nucleus are cell division and control of
genetic information.
What is Cytoplasm? Correct Answer-an aqueous solution (cytosol) that
fills the space between the nucleus and the plasma membrane.
What is the endoplasmic reticulum and what does it specialize in?
Correct Answer-a network of tubular channels (cisternae) that extend
,throughout the outer nuclear membrane. It specializes in the synthesis
and transport of protein and lipid components of most of the organelles
What is the Golgi complex and what does it do? Correct Answer-a
network of smooth membranes and vesicles located near the nucleus.
The Golgi complex is responsible for processing and packaging proteins
into secretory vesicles
What are lysosomes and what do they do? Correct Answer-saclike
structures that originate from the Golgi complex and contain digestive
enzymes. These enzymes are responsible for digesting most cellular
substances to their basic form, such as amino acids, fatty acids, and
carbohydrates
What are peroxisomes? Correct Answer-involved in the production and
breakdown of hydrogen peroxide
Importance of proteins in disease Correct Answer-The major workhorses
of the cell, if misfolded they can cause diseases
What are mitochondria responsible for? Correct Answer-. Mitochondria
contain the metabolic machinery necessary for cellular energy
metabolism (Makes ATP).
What is the cytoskeleton? Correct Answer-the "bone and muscle" of the
cell. The internal skeleton is composed of a network of protein
filaments, including microtubules and actin filaments (microfilaments).
, What is the plasma membrane? Correct Answer-encloses the cell and, by
controlling the movement of substances across it, exerts a powerful
influence on metabolic pathways
What is signal transduction? Correct Answer-The transfer of molecular
signals from the exterior to the interior of a cell. If not done apoptosis
occurs
What is protein regulation and what is it composed of? Correct Answer-
protein homeostasis and is defined by the proteostasis network. This
network is composed of ribosomes (makers), chaperones (helpers), and
protein breakdown or proteolytic systems. Malfunction of these systems
is associated with disease.
What do protein receptors do? Correct Answer-on the plasma
membrane, enable the cell to interact with other cells and with
extracellular substances
What means accomplish cell-to-cell adhesions? Correct Answer-(1) the
extracellular membrane, (2) cell adhesion molecules in the cell's plasma
membrane, and (3) specialized cell junctions.
What makes up the extracellular matrix and what does it do? Correct
Answer-(1) fibrous structural proteins (collagen and elastin), (2)
adhesive glycoproteins, and (3) proteoglycans and hyaluronic acid. The
matrix helps regulate cell growth, movement, and differentiation.
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