b)Which one is the statements are true about cystic fibrosis? 1) CF is most common in Caucasians and uncommon in blacks

[answerhappygod]

b)Which one is the statements are true about cystic
fibrosis?
1) CF is most common in Caucasians and uncommon in blacks and
Asians
2)CF severity relates to the number and types of CFTR gene
mutations
3) CF affects the absorption of fats and fat-soluble
vitamins
4)CF is not related to the development of bronchiectasis
C) which one is following thrombophlebitis is inflammation of
the vein accompanied by blood clot and what are the risk factors
for thrombophlebitis?
1) hypertension, blood stasis and hypercoagulability
2) heart failure, hypercoagulability and atherosclerosis
3)young age, history of renal disease, and
hypercoagulability
4) varicose vein,blood stasis and hypercoagulability