Answer:
TRUE
Explanation:
In the heart there are two semilunar valves (29, 32), both valves lead to the pulmonar artery, and to the aortic arch; respectively.
Answer and Explanation:
SAMPLE history is a mnemonic acronym to remember key questions for a person's medical assessment. The SAMPLE history is sometimes used in conjunction with vital signs and OPQRST. The questions are most commonly used in the field of emergency medicine by first responders during the secondary assessment.
Answer:
Option A, Release of chemical signals by keratinocytes that have been damaged by UV light will increase the production of melanin.
Explanation:
Negtaive feedback mechanism of homeostasis maintains the stability of any internal condition or function through lessening of output of a system or through slow down of a functional system.
Here in this case the keratinocytes function is reduced by damaging them on exposure to UV light which further triggers the release of chemicals that enhance the production of melanin.
Hence, option A is correct
Answer:
Receptor cells and antibodies are highly specific in their actions. Acntic bodies bind specifically to a protein. The recipient cells bind to a signaling molecule also specifically.
Explanation: B
Answer:
Explanation:
200mg x 5 tabs = 1000mg or 1 gram
need need 20 pills 1 gram = 5 tabs
5 tabs x 4 =20 tabs