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NUR 231 S Exam Questions And answers
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NUR 231 S Exam Questions And answers...
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NUR 231 S1 2024-2025 Exam Questions And answersA chemical bond in which electrons are equally shared is a(n)
a. Ionic bond
b. Polar covalent bond
c. Nonpolar covalent bond
d. Hydrogen bond - ANSWER c.
The bond between oxygen and hydrogen in a single water molecule is a?
a. Ionic bond
b. Polar covalent bond
c. Nonpolar covalent bond
d. Hydrogen bond - ANSWER b.
The unit molecules, or monomers, of carbohydrates are
a. Monosaccharides
b. Amino acids
c. Nucleic acids
d. Fatty acids - ANSWER a.
Sucrose is composed of
a. Glucose and galactose
b. Glucose and fructose
c. Fructose and maltose
d. Glucose and maltose - ANSWER b.
,Glucose and fructose are examples of
a. Monosaccharides
b. Disaccharides
c. Polysaccharides
d. Lipids - ANSWER a.
The bond between amino acids is a(n)
a. Ionic bond
b. Peptide bond
c. Hydrogen bond
d. Covalent bond - ANSWER b.
Cytosine always undergoes complementary base pairing with
a. Adenine
b. Guanine
c. Thymine
d. Uracil - ANSWER b.
Which cellular organelle is responsible for energy production?
a. Nucleus
b. Mitochondria
c. Ribosomes
d. Endoplasmic reticulum - ANSWER b.
Movement of water across membranes following its concentration gradient occurs
through
a. Facilitated diffusion
,b. Active transport
c. Osmosis
d. Pinocytosis - ANSWER c.
Which molecule is the "energy currency" of the cell?
a. Sugar
b. Amino acids
c. ATP
d. GTP - ANSWER c.
A 75-year-old female with Alzheimer's disease has increased lipid peroxidation
secondary to
free-radical production. Lipid peroxidation results in
a. Organelle membrane reconstruction
b. Increased lipid transportation
c. Increased protein synthesis
d. Damage to the cell membrane - ANSWER d.
In response to an increased workload, the myocardial cells will
a. Hypertrophy
b. Atrophy
c. Become hyperexcitable
d. Hyperplasia - ANSWER a.
A 40 year old female is receiving treatment for cervical cancer. What cellular change is
most likely to be associated with her malignancy?
a. Metaplasia
, b. Atrophy
c. Hypertrophy
d. Dysplasia - ANSWER d.
A 50-year-old male with a 30-year history of smoking is examined for a respiratory
problem. Examination of his airway (bronchi) shows that stratified squamous epithelial
cells have
replaced the normal columnar ciliated epithelium. The type of cellular adaptation seen is
known as?
a. Hypertrophy
b. Hyperplasia
c. Metaplasia
d. Dysplasia - ANSWER c.
The definition of pharmacology is
a. the study of the formulation of drugs
b. the study of farming techniques
c. study of drugs including their actions and effects in living systems
d. study of pharmacy (the preparation and development of drugs) - ANSWER c.
Useful drugs have which of the following properties?
a. Affinity, toxicity and specificity
b. Potency, selectivity and specificity
c. Potency, toxicity and efficacy
d. Toxicity, efficacy and formulation - ANSWER b.
Potency refers to
a. a drug's ability to produce an effect
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