Calcium Hemostasis Change ]s During Pregnancy

Question 1

Pregnancy is hypocalcemic or hypercalcemia state
What occurs to serum ionized free Ca
Renal loss of Ca
Active transplacnetal transport to the fetus
Serum albumin

Answer 1

Pregnancy is hyopcalcemic state
Free ionized calcium levels remain the same .
But what causes hypocalcemia is
Active transplacental transport of Ca to the fetus
Increase renal loss of calcium .
Decreased levels of albumin

Question 2

Pregnancy is associated with what changes in PTH calcitonin calcitriol

Answer 2

Increased calcitonin
Increased calcitriol
Increased PTH

Question 3

Amount of calcium in the fetus

Answer 3

22-33 g calcium

Question 4

Is the fetus hypercalcemic or hypocalcemic compared to the mother

Answer 4

It’s hypercalcemia in a ratio 1.4: 1m

Question 5

When does ossification occur in the fetus

Answer 5

It occurs at the third trimester .

Question 6

How is ca an po4 transported in the fetus

Answer 6

Actively transported

Question 7

When does the fetus start to produce PTH

Answer 7

At 12 weeks GA .

Question 8

Heart wight is

Answer 8

250 g

Question 9

Layers of the heart

Answer 9

Epicardium
Myocardium
Endocardium

Question 10

Which layer of the cardiac muscle forms part of the pericardium

Answer 10

The pericardium layer .

Question 11

How many valves does the heart composed of

Answer 11

1 bicuspid mitral valve
1 tricuspid 3 cusps
2 semiluner aortic
And pulmonary

Question 12

Cell cycle is divided in how many phases and what’s its duration

Answer 12

1 relaxation phase 0.4 secs
2 ventricular filling 0.1 secs
3 ventricular contraction 0.3 secs
Total 0.8 secs