NU551 UNIT 3 TEST QUESTIONS AND ANSWERS
Which form of cell communication is used to relate to other cells in direct physical contact?
A. Cell junction.
B. Gap junction.
C. Desmosome
D. Tight junction. - CORRECT ANSWER✅✅A. Cell junction.
What genetic disorder results if an individual possesses an XXY chromosome configuration?
A. Turner syndrome.
B. Klinefelter syndrome
C. Down syndrome.
D. Fragile X syndrome. - CORRECT ANSWER✅✅B. Kleinfelter syndrome.
Housekeeping jeans are final to the function of maintenance of all the body cells. What characteristic is
associated with these?
A. They encoding histones
B. They are involved in non-essential cell functions.
C. Ribosomal RNA genes are absent.
D. They escape epigenetic silencing. - CORRECT ANSWER✅✅D. They escape epigenetic silencing
A 55-year-old male with a 30 year history of smoking this examined for respiratory disturbance.
Examination of his bronchial airway reveals that stratified swimmers. Epithelial cells have replaced the
normal column ciliated cells. This type of cellular adaptation is called:
A. Anaplasia.
B. Hyperplasia.
Which form of cell communication is used to relate to other cells in direct physical contact?
A. Cell junction.
B. Gap junction.
C. Desmosome
D. Tight junction. - CORRECT ANSWER✅✅A. Cell junction.
What genetic disorder results if an individual possesses an XXY chromosome configuration?
A. Turner syndrome.
B. Klinefelter syndrome
C. Down syndrome.
D. Fragile X syndrome. - CORRECT ANSWER✅✅B. Kleinfelter syndrome.
Housekeeping jeans are final to the function of maintenance of all the body cells. What characteristic is
associated with these?
A. They encoding histones
B. They are involved in non-essential cell functions.
C. Ribosomal RNA genes are absent.
D. They escape epigenetic silencing. - CORRECT ANSWER✅✅D. They escape epigenetic silencing
A 55-year-old male with a 30 year history of smoking this examined for respiratory disturbance.
Examination of his bronchial airway reveals that stratified swimmers. Epithelial cells have replaced the
normal column ciliated cells. This type of cellular adaptation is called:
A. Anaplasia.
B. Hyperplasia.
