Answer: b. False
Explanation:
Vitamin D is actually not a vitamin instead it is a hormone. The skin cells are responsible for the synthesis of this hormone. It is sensitive the UV radiations from sun and provides protection to the skin. Aging, excess melanin and sunscreen diminishes the capacity of the skin cells to produce Vitamin D.
Hence, the given statement is false as with the age Vitamin D production will decrease.
Answer:
An audiometry that assesses the airway and nerve at the same time.
When a person has hearing impairment, will be seen a fall in the audiometric graph both at the level of the bone or neurological pathway above 30 decibels and 250 hertz.
Answer:
Acquired resistance occurs when a particular microorganism obtains the ability to resist the activity of an antimicrobial agent to which it was previously susceptible
Explanation:
Answer:
The trachea is a rigid tube about 4.5 inches long and 1 inch wide. ... The bronchi also contain C-shaped cartilage rings like the trachea. Deeper in the lungs, each bronchus divides into secondary and tertiary bronchi, which continue to branch to smaller airways called the bronchioles.
Explanation: