PRG PHYS

Question 1

What is the average weight and volume of the uterus during pregnancy

Answer 1

5L, 1100g

Question 2

Enlargment of the uterus is due to (2)

Answer 2

stretching

hypertrophy of myocytes

Question 3

AOG when pregnant uterus becomes intraabdominal organ

Answer 3

12 wks

Question 4

Uteroplacental blood flow near term

Answer 4

450-600ml/minute

Question 5

Maximum function of corpus luteum

Answer 5

6-7 weeks AOG

Question 6

stretch marks

Answer 6

striae gravidarum

Question 7

hyperpigmentation of midline abdominal skin

Answer 7

linea nigra

Question 8

mask of pregnancy

Answer 8

chloasma or melasma gravidarum

Question 9

hypertrophic sebaceous glands in breast

Answer 9

Glands of montgomery

Question 10

Metabolic changes: average wt. gain

Answer 10

12.5 kg or 27.5 lbs

Question 11

Metabolic changes:BMR by 3rd trimester is ___% higher

Answer 11

10-20% higher

Question 12

True of carbohydrate metabolism during pregnancy EXCEPT

a. mild fasting hypoglycemia
b. postprandial hyperglycemia
c. hyperinsulinemia
d. insulin resistance

Answer 12

A; mild fasting hyperglycemia

Question 13

True about hematologic changes of pregnancy EXCEPT

a. hgb and hct decrease
b. blood viscosity increase
c. hypervolemia of pregnancy is 40-45% above non-pregnant vol after 32-34 weeks
e. NOTA

Answer 13

B; decrease

Question 14

Purpose of hypervolemia of pregnancy(4)

Answer 14

VNDL
V - Venous return, impaired, need protection
N - Nutrients, to provide for fetus and placenta
D - Demands, to meet, that of enlarging uterus and hypertrophied vascular system
L - Safeguard against the effects of blood loss

Question 15

True about cardiovascular system changes during pregnancy

a. increased cardiac output
b. reduced systemic vascular resistance
c. increased heart rate
d. exaggerated splitting of S1
e. Loud easily audible 3rd heart sound

Answer 15

AOTA

Question 16

Normal heart sounds findings during pregnancy (3)

Answer 16

exaggerated splitting of the 1st heart sound
No definite aortic or pulmonary elements in 2nd heart sound
Loud, easily audible 3rd sound

Question 17

Murmur of pregnancy

Answer 17

systolic murmur in 90%, intensified during inspiration

Question 18

Diaphragm rises by __cm during pregnancy

Answer 18

4

Question 19

Respiratory rate, lung compliance, max breathing capacity, forced time vital capacity

a. increase
b. decrease
c. unchanged

Answer 19

C

Question 20

Tidal volume and resting minute ventilation

a. increase
b. decrease
c. unchanged

Answer 20

A

Question 21

Functional residual capacity and residual volume

a. increase
b. decrease
c. unchanged

Answer 21

A

Question 22

Materna’ arteriovenous oxygen

a. increase
b. decrease
c. unchanged

Answer 22

B

Question 23

Tidal volume, oxygen delivery, total hgb mass, oxygen capacity, cardiac output

a. increase
b. decrease
c. unchanged

Answer 23

A

Question 24

kidney size

a. increase
b. decrease
c. unchanged

Answer 24

A

Question 25

GFR, renal plasma flow

a. increase
b. decrease
c. unchanged

Answer 25

A

Question 26

Serum creatinine

a. increase
b. decrease
c. unchanged

Answer 26

B

Question 27

Creatinine clearance

a. increase
b. decrease
c. unchanged

Answer 27

A

Question 28

Hepatic blood flow

a. increase
b. decrease
c. unchanged

Answer 28

A

Question 29

Gall bladder contractility

a. increase
b. decrease
c. unchanged

Answer 29

B