Answer: This is TRUE for me. Osteoporosis is a preventable disease.
Explanation:
In this condition, bone density ( the amount of bone tissue) is reduced because it's deposition does not keep pace with resorption. Although the bone is adequately mineralised, it is fragile and microscopically abnormal, with loss of internal structure.
Peak bone mass occurs around 35 years and then gradually declines in both sexes. Lowered oestrogen levels after the menopause are associated with a period of accelerated bone loss in women. Thereafter bone density in women is less than in men for any given age. That is why in North America, one-third of all women experience fractures because of this disease, amounting to about 2 million bone fractures per year.
Common features of osteoporosis are:
--> skeletal deformity: gradual loss of height with age, caused by compression of vertebrae.
--> bone pain
--> fractures: especially of the hip ( neck of femur), wrist and vertebrae.
It is TRUE for me that some risk factors can't be changed ( which is the low oestrogen levels that occur after menopause in women) but others, such as poor calcium intake, can.
Exercise and Calcium intake during childhood and adolescence are important in determining eventual bone mass of an individual and in preventing risk of osteoporosis in later life.
Answer:
C.
participating in some physical activity regularly
Explanation:
Answer: Based on the information provided, It does sound like a ringworm infection, but I never read anything about a ring-shaped rash or any raising on the foot. It more or less sounds like a mixture of both Ringworm, Toe Fungal, and Atropic Dermatitis. In my opinion I would classify it as a Ringworm Infection only if the child had direct contact with his/her feet after making contact with the cat. it's more of a 50/50 on how the child contracted this medical issue because, as I've read, It could be both Ringworm and Atropic Dermatitis. I can't exactly say it's Ringworm though due to nothing being mentioned about a Ring-shaped rash or and swelling/raising of the rash site.
The tough, thin outer membrane covering the bones is called the periosteum.
Answer:
The correct answer is option E. only water-soluble hormones use second messengers.
Explanation:
Water soluble hormones can not diffuse through cell membranes as only lipid soluble molecules can pass through the cell membranes and these hormons are not lipid soluble molecules,
These water hormones are usually glycoproteins, peptide and catecholamnies such as TSH, FSH, LH and insulin. these hormones need second messengers because there receptors are present on the plasma membrane.
Thus, the correct answer is option - e. only water-soluble hormones use second messengers.
