Questions and
Answers 2025|2026
physiologic effects of lead - correct answer-Lead acts as an imposter of
other 2+ divalent ions like Calcium, Iron, and Zinc
tilts balance in favor of ROS, which then damages cells and interferes
with antioxidants
current elevated Blood Lead Level (BLL) - correct answer-> 3.5mcg/dL is
harmful
what systems does lead have an effect on? - correct answer-Brain
development, CNS, PNS, hematological, kidneys, GI
functions of adipose tissue - correct answer-- insulation
,- mechanical support
- energy reserve
different types of adipose tissue - correct answer-White (WAT)
Brown (BAT)
beige (bAT)
Bone Marrow (MAT)
what is the most metabolically active type of adipose tissue'? - correct
answer-white adipose tissue
where is WAT usually found - correct answer-visceral and subq
what is White Adipose Tissue subject to? - correct answer-hormones,
especially estrogen
,what adipokines are increased in obesity? - correct answer--
angiotensinogen
- angiotensin I
- angiotensin receptors
- renin
- leptin
what adipokines are decreased in obesity? - correct answer-adiponectin
what is a pro-inflammatory adipokine? - correct answer-leptin
what is an anti-inflammatory adipokine? - correct answer-adiponectin
what does a chronic positive energy state mean? - correct answer-
consistently taking in more calories than you are burning
, characteristics of Brown Adipose Tissue - correct answer-- less
metabolically active
- rich in iron and mitochondria
- more BAT = less likely to be overweight
- stored as multiple droplets
characteristics of Beige Adipose Tissue - correct answer-develops within
WAT
three ways WAT turns into bAT - correct answer-1. chronic exposure to
cold
2. exercise
3. exposure to synthetic ligand
characteristics of bone marrow tissue - correct answer-- found in long
bones
- excess contributes to osteoporosis