correct answers |\
1.Nuclear pores: |\
A)Combine to form a hexagonal structure |\ |\ |\ |\ |\
B)Have 50nm in diameter |\ |\ |\
C)Their number is not connected with cellular activity
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D)Nuclear lamina are connected to their inner rings
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E)A and C are correct
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F)B and D are correct - CORRECT ANSWERS ✔✔E)A and C are
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correct
The conducting zone of the respiratory system:
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A) Includes the upper airways, trachea and the bronchial tree
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(including the terminal bronchioles) |\ |\ |\
B) Is designed for airflow and respiration
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C) Includes only the nose and the pharynx
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D) Is designed for olfactory
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E) A and C are correct
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F) B and D are correct - CORRECT ANSWERS ✔✔A) Includes the
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upper airways, trachea and the bronchial tree (including the
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terminal bronchioles) |\
***The bronchial tree starts with the primary bronchi:
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,A)And ends with the respiratory bronchioles
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B) And on each section is lined with the simple columnar
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epithelium
C) And is composed of submucosa with plates of fibrocartilage
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D) And is part of the conducting portion
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E) A and C are correct
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F) B and D are correct - CORRECT ANSWERS ✔✔D) And is part of
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the conducting portion
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***The feature of skeletal muscles is:
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A) Composed of mononucleated cells
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B) Have myofibrils that does not possess A bands
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C) Are composed of bundles of multinucleated fibers
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D) Their contraction is slow and not subject to voluntary control
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E) A and C are correct
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F) B and D are correct - CORRECT ANSWERS ✔✔C) Are composed
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of bundles of multinucleated fibers
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***In the skeletal muscle thin filaments are composed of:
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A) Actin
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B) Myosin
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C) Tropomyosin
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D) Light and heavy chains
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E) A and C are correct
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,F) B and D are correct - CORRECT ANSWERS ✔✔E) A and C are
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correct
***The contraction of skeletal muscle requires:
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A) GTP
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B) ATP
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C) Mg ions
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D) Ca ions
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E) A and C are correct
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F) B and D are correct - CORRECT ANSWERS ✔✔F) B and D are
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correct
***Sarcomere:
A) Is the basic contractile unit of skeletal muscle
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B) Is the basic contractile unit of smooth muscle
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C) Consist of thick and thin filaments
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D) Extends from A band to M line
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E) A and C are correct
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F) B and D are correct - CORRECT ANSWERS ✔✔E) A and C are
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correct
***What cell type secretes ACTH?
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A) Lactotropic cells
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B) Thyrotropic cells
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C) Somatotropic cells
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, D) Corticotropic cells
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E) A and C are correct
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F) B and D are correct - CORRECT ANSWERS ✔✔D) Corticotropic
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cells
***Which of the following phrases concerning osteocytes are
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correct:
A) Oval active cells
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B) Placed in Howship's lacunae
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C) Secrete osteoid
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D) Almond-shaped cells
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E) A and C are correct
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F) B and D are correct - CORRECT ANSWERS ✔✔D) Almond-
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shaped cells |\
***Periosteum consists of: |\ |\
A) Outer layer of collagen fibers and fibroblasts
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B) Outer layer of osteoprogenitor cells
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C) Inner layer of osteoprogenitor cells
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D) Inner layer of collagen fibers and fibroblasts
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E) A and C are correct
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F) B and D are correct - CORRECT ANSWERS ✔✔E) A and C are
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correct
***Which of the following phrases concerning intramembranous
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ossification are correct: |\ |\