Briefly name the subphases of interphase and tell what they do.
What will be an ideal response?
G1 - growth phase. The cell is metabolically active and the centriole begins to divide at the end of this phase.
S - DNA replicates itself. New histones are made and assembled into chromatin.
G2 - Enzymes and proteins are synthesized and centriole replication is completed. This is the final phase of interphase.
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A child is brought to the hospital after developing a rash characterized by red spots with white centers. The mother reports that the child has had a persistent fever accompanied with excessive mucous production. Upon examination the physician notices that the child has started to develop a mild case of conjunctivitis. What is the most probable diagnosis?
a. Tetracycline b. Measles c. Congenital syphilis d. Herpes simplex 1
The lower respiratory tract includes
A) only the lungs. B) all of the bronchial branches. C) all of the bronchial branches, the lungs, and the trachea. D) only the trachea. E) all of the bronchial branches and the lungs
All of the following cardiac measurements will increase during exercise except ________.
A. end-systolic volume B. end-diastolic volume C. stroke volume D. cardiac output
Dehydration results in
A. decreased ADH secretion and decreased water reabsorption. B. increased ADH secretion and decreased water reabsorption. C. decreased ADH secretion and increased water reabsorption. D. increased ADH secretion and increased water reabsorption.