Biochemical Profiles Pt. 2

Question 1

HPT is the MC cause of

Answer 1

hypercalcemia

Question 2

What is the MC cause of primary HPT

Answer 2

parathyroid adenomoa 90% of the time

Question 3

Secondary HPT is the result of

Answer 3

chronic renal disease

Question 4

Tertiary HPT is seen in

Answer 4

dialysis patients, happens after prolonged secondary

Question 5

Hypercalcemia is seen in

Answer 5

primary

but is normal to low in 2,3

Question 6

Parathromone stimulates

Answer 6

osteoclasts, which release calcium and phosphorus ions into the blood

Question 7

Subperiosteal resorption is the most definitive radiographic sign for

Answer 7

HPT

Question 8

Calcification of Big vessels is normally

Answer 8

age related calcification

Question 9

Calcification of small vessels indicates

Answer 9

diabetes, HPT, renal failure

Question 10

Phosphorus has an inverse relationship with

Answer 10

calcium

Question 11

Hyperphosphatemia is seen with

Answer 11

renal failure, hypoparathyroidism

Question 12

Hypophosphatemia is seen with

Answer 12

decreased intestinal absorption, increased renal excrection, HPT

Question 13

Hypermagnesemia is seen with

Answer 13

dehydration, renal insufficiency, uncontrolled diabetes

Question 14

Hypomagnesemia is seen with

Answer 14

malabsorption, malnutrition, alcoholism, cirrhosis

Question 15

amylase is the most specific for

Answer 15

pancreatitis

Question 16

what is the MC cause of elevated lipase

Answer 16

acute pancreatitis

Question 17

Creatine Phosphokinase is specific for

Answer 17

cardiac muscle injury

aka CPK, CK test

Question 18

HDL is produced where

Answer 18

in the liver

Question 19

LDL’s are the

Answer 19

bad ones, deposit into tissues associate with heart disease

Question 20

VLDL’s should be what percentage of total lipids

Answer 20

less than 25-50%

Question 21

what is the most specific myocardial damage test

Answer 21

Cardiac Troponin test

Question 22

Hyperparathyroidsim is due to

Answer 22

graves disease, toxic goiter, adenoma, pituitary tumor

Question 23

what is the MC reason for hypothyroidism

Answer 23

Hasimoto’s

Question 24

Hyperthyroidism lab values are

Answer 24

T3,T4 elevated and decreased TSH

Question 25

Primary Hypothyroidism values are

Answer 25

T3,T4 levels decreased, TSH increased

Question 26

Secondary hypothryoidism values are

Answer 26

Decreased T3,T4, TSH

Question 27

T3,T4 are regulated by

Answer 27

TSH, using the pituitary gland