09 APR 2017 1558 MIX

Question 1

what is the role of hCG in early pregnancy?

Answer 1

preserving corpus luteum during early pregnancy in order to maintain progesterone secretion until the placenta is able to produce progesterone on its own

Question 2

what hormone is responsible for preparing the endometrium for implantation?

Answer 2

progesterone

Question 3

what medication is used to treat lyme disease in children and pregnant women?

Answer 3

amoxicillin

Question 4

what are howell jolly bodies?

Answer 4

normal nuclear remnants of RBCs

Question 5

what is the finding on peripheral smear in patients with splenectomy or functional asplenia?

Answer 5

howell jolly bodies

Question 6

what is the finding on peripheral smear in patients with G6PD deficiency and thalassemias?

Answer 6

heinz bodies

Question 7

bite cells are seen in what disorders?

Answer 7

• G6PD deficiency

- thalassemias

Question 8

howell jolly bodies are seen in what disorder?

Answer 8

• splenectomy

- functional asplenia

Question 9

kidney stones smaller than ____ in diameter typically pass with conservative management

Answer 9

5 mm

Question 10

what is the preferred antibiotic for rheumatic fever prophylaxis?

Answer 10

intramuscular penicillin G q4 weeks

*duration depends on severity

Question 11

what medication can be used to treat interstitial cystitis (painful bladder syndrome)?

Answer 11

amitriptyline

Question 12

carboxyhemoglobin shifts the dissociation curve to the ______ (left / right), ___________ (facilitating / impairing) the ability of heme to unload oxygen at the tissue level

Answer 12

• left

- impairing

Question 13

what is the most common electrolyte disturbance in chronic alcoholism?

Answer 13

hypomagnesemia

Question 14

in chronic alcoholism hypomagnesemia commonly occurs alongside _______________ and is a well known cause of ________________

Answer 14

• hypokalemia

- refractory hypokalemia

Question 15

the most common predisposing factor for acute bacterial sinusitis is ____________________

Answer 15

viral URIs

Question 16

retraction of presenting fetal parts is pathognomic for:

Answer 16

uterine rupture

Question 17

a sinusoidal fetal heart rate tracing is indicative of:

Answer 17

vasa previa

Question 18

mixed cryoglobulinemia is usually associated with ______________

Answer 18

chronic hepatitis C

Question 19

irradiated RBCs are indicated in what situations?

Answer 19

• bone marrow transplant reccipients
• acquired or congenital cellular immunodeficiency
• blood components donated by first or second degree relatives

Question 20

leukoreduced RBCs are indicated in what situations?

Answer 20

• chronically transfused patients
• CMV seronegative at-risk patients (AIDS, transplant)
• potential transplant recipients
• previous febrile nonhemolytic transfusion reaction

Question 21

washed RBCs are indicated in what situations?

Answer 21

• IgA deficiency
• complement-dependent autoimmune hemolytic anemia
• continued allergic reactions (e.g. hives) with red cell transfusion despite antihistamine treatment