Histology Unit 1 Practice Questions with Complete Solutions
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Course
Histology
Institution
Histology
The fluidity of the plasmalemma has well-established clinical significance. Which of the following molecules decreases the cell membrane fluidity?
glycerol
phosphate group
cholesterol
integral proteins
peripheral proteins - CORRECT ANSWER cholesterol
A patient with cancer possesses cel...
Histology Unit 1 Practice Questions
with Complete Solutions
The fluidity of the plasmalemma has well-established clinical significance. Which of the following
molecules decreases the cell membrane fluidity?
glycerol
phosphate group
cholesterol
integral proteins
peripheral proteins - CORRECT ANSWER cholesterol
A patient with cancer possesses cells that are undergoing mitosis at a very rapid rate. The contractile
rings that are formed during cytokinesis are composed of
thin filaments
intermediate filaments
thick filaments
microtubules
neurofilaments - CORRECT ANSWER thin filaments
A patient with a chromosomal complement of XXX has
a male phenotype
a female phenotype
a very short life span
a higher IQ than his/her siblings
trisomy of autosomes - CORRECT ANSWER A female phenotype
A 9-month-old infant is seen by her pediatrician, who notices a lack of weight gain as well as thin,
knobby joints. The parents tell the physician that they are making their own baby food and that their
daughter has been very irritable and cries a lot when she is crawling on the floor. The baby's gums
appear to be overly red. The pediatrician suspects lack of vitamin C in the baby's diet and recommends
that the parents switch to commercially prepared baby foods and also urges them to offer the child
, citrus fruits. Additionally, the child is to receive high doses of vitamin C for 7 days and a lower dose for an
additional 30 days. Vitamin C is necessary for the synthesis of normal
elastin
fibrillin
tropocollagen
troponin
hyaluronic acid - CORRECT ANSWER tropocollagen
An African-American patient had surgery, and a very thick, elevated growth has formed at the site of the
skin incision. This elevated growth is known as a keloid and is due to the excessive accumulation of
hyaluronic acid
proteoglycans
type I collagen
elastic fibers
oxytalan fibers - CORRECT ANSWER Type 1 collagen
Radioautography is the method of choice for revealing which of the following in a tissue section?
Sites of synthesis of various molecules
Molecular weights of products of cell synthesis
Diameter of a secretory cell
Number of copies of a particular species of mRNA
Cell structure in unstained tissue sections - CORRECT ANSWER Sites of synthesis of various molecules
Which of the following best described the appearance of a unit membrane under a transmission electron
microscope?
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