NU551 Unit 3 exam Purdue University Global | UPDATED Questions
with 100% Verified Answers
Question:
A student is observing a cell under the microscope. It is
observed to have supercoiled DNA with histones. which of the
following would also be observed by the student?
a. A single circular chromosome
b. A nucleus
c. Free floating nuclear material
d. No organelles
Answer:
b. A nucleus
Question:
A nurse is instructing the staff about cellular functions. Which
cellular function is the nurse describing when an isolated cell
absorbs oxygen and uses it to transform nutrients to energy?
a. metabolic Absorption
b. Communication
c. A secretion
d. Respiration
Answer:
d. Respiration
Question:
A eukaryotic cell is undergoing DNA replication. In which
region of the cell would most of the genetic information be
contained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
Answer:
,c. Nucleolus
Question:
The fluid mosaic model for biologic membranes describes
membrane behavior according to this model, which of the
following float singly or as aggregates in the fluid lipid
bilayer?
a. Peripheral membrane proteins
b. Integral membrane proteins
c. Glycoproteins
d. Cell adhesion molecules
Answer:
b. Integral membrane proteins
Question:
Which of the following can bind to plasma membrane
receptors?
a. oxygen
b. Ribosomes
c. Amphipathic lipids
d. Ligands
Answer:
d. ligands
Question:
A nurse is reviewing a report from a patient with metastatic
cancer. What finding would support the diagnosis of
metastatic cancer? Alterations in cellular matrix that include:
a. Decreased fibronectin
b. Increased collagen
c. Decreased elastin
d. Increased glycoproteins
Answer:
a. Decreased fibronectin
,Question:
Which form of cell communication is used to relate to other
cells in direct physical contact?
a. Cell junction
b. Gap junction
c. Desmosomes
d. Tight junctions
Answer:
a. Cell junction
Question:
Pancreatic beta cells secrete insulin, which inhibits secretion of
glucagon from neighboring alpha cells. This action is an
example of which of the following signaling types?
a. Paracrine
b. Autocrine
c. Neurohormonal
d. Hormonal
Answer:
a. Paracrine
Question:
In cellular metabolism, each enzyme has a high affinity for a:
a. Solute
b. Substrate
c. Receptor
d. Ribosome
Answer:
b. Substrate
Question:
An athlete runs a marathon, after which his muscles feel
fatigued and unable to contract. The athlete asks the nurse
, why this happened. How should the nurse respond? A
deficiency can cause impaired muscle contraction.
a. GTP
b. AMP
c. ATP
d. GMP
Answer:
c. ATP
Question:
Which phase of catabolism produces the most ATP?
a. Digestion
b. Glycolysis
c. Oxidation
d. Citric acid cycle
Answer:
d. Citric acid cycle
Question:
A nurse is teaching the staff about the three phases of cellular
catabolism. Which of the following should the nurse include?
a. Digestion, glycolysis and oxidation, and the citric acid cycle
b. Diffusion, osmosis, and mediated transport
c. S phase, G phase, and M phase
d. Metabolic absorption, respiration, and excretion
Answer:
a. Digestion, glycolysis and oxidation, and the citric acid cycle
Question:
A runner has depleted all the oxygen available for muscle
energy. Which of the following will facilitate his continued
muscle performance? a. Electron-transport chain
b. Aerobic glycolysis
with 100% Verified Answers
Question:
A student is observing a cell under the microscope. It is
observed to have supercoiled DNA with histones. which of the
following would also be observed by the student?
a. A single circular chromosome
b. A nucleus
c. Free floating nuclear material
d. No organelles
Answer:
b. A nucleus
Question:
A nurse is instructing the staff about cellular functions. Which
cellular function is the nurse describing when an isolated cell
absorbs oxygen and uses it to transform nutrients to energy?
a. metabolic Absorption
b. Communication
c. A secretion
d. Respiration
Answer:
d. Respiration
Question:
A eukaryotic cell is undergoing DNA replication. In which
region of the cell would most of the genetic information be
contained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
Answer:
,c. Nucleolus
Question:
The fluid mosaic model for biologic membranes describes
membrane behavior according to this model, which of the
following float singly or as aggregates in the fluid lipid
bilayer?
a. Peripheral membrane proteins
b. Integral membrane proteins
c. Glycoproteins
d. Cell adhesion molecules
Answer:
b. Integral membrane proteins
Question:
Which of the following can bind to plasma membrane
receptors?
a. oxygen
b. Ribosomes
c. Amphipathic lipids
d. Ligands
Answer:
d. ligands
Question:
A nurse is reviewing a report from a patient with metastatic
cancer. What finding would support the diagnosis of
metastatic cancer? Alterations in cellular matrix that include:
a. Decreased fibronectin
b. Increased collagen
c. Decreased elastin
d. Increased glycoproteins
Answer:
a. Decreased fibronectin
,Question:
Which form of cell communication is used to relate to other
cells in direct physical contact?
a. Cell junction
b. Gap junction
c. Desmosomes
d. Tight junctions
Answer:
a. Cell junction
Question:
Pancreatic beta cells secrete insulin, which inhibits secretion of
glucagon from neighboring alpha cells. This action is an
example of which of the following signaling types?
a. Paracrine
b. Autocrine
c. Neurohormonal
d. Hormonal
Answer:
a. Paracrine
Question:
In cellular metabolism, each enzyme has a high affinity for a:
a. Solute
b. Substrate
c. Receptor
d. Ribosome
Answer:
b. Substrate
Question:
An athlete runs a marathon, after which his muscles feel
fatigued and unable to contract. The athlete asks the nurse
, why this happened. How should the nurse respond? A
deficiency can cause impaired muscle contraction.
a. GTP
b. AMP
c. ATP
d. GMP
Answer:
c. ATP
Question:
Which phase of catabolism produces the most ATP?
a. Digestion
b. Glycolysis
c. Oxidation
d. Citric acid cycle
Answer:
d. Citric acid cycle
Question:
A nurse is teaching the staff about the three phases of cellular
catabolism. Which of the following should the nurse include?
a. Digestion, glycolysis and oxidation, and the citric acid cycle
b. Diffusion, osmosis, and mediated transport
c. S phase, G phase, and M phase
d. Metabolic absorption, respiration, and excretion
Answer:
a. Digestion, glycolysis and oxidation, and the citric acid cycle
Question:
A runner has depleted all the oxygen available for muscle
energy. Which of the following will facilitate his continued
muscle performance? a. Electron-transport chain
b. Aerobic glycolysis
