Why does a person's near point of accommodation decrease with age?
A) Iris muscles calcify with age, not adapting quickly to light changes.
B) Posterior chamber shape alters with age, moving the point of best focus.
C) A lens becomes clouded with age, letting less light through.
D) A lens stiffens with age and does not change shape as well.
Answer: D
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What is the mode of secretion of sebaceous glands?
A. Merocrine B. Apocrine C. Holocrine D. Endocrine E. Xerocytosis
Chemical communication between the nucleus and the cytosol occurs through ________.
Fill in the blank(s) with the appropriate word(s).
What is the function of the 'respiratory zone' in mammalian lungs:
A. conduct air to alveoli B. clean inspired air C. exchange gas between air and blood D. humidify inspired air E. warm inspired air
Increasing ventilation will increase the PO2 and decrease the PCO2, which promotes gas exchange
Indicate whether the statement is true or false.