10/8/12 Flashcards Preview

Kaplan Qbank > 10/8/12 > Flashcards

Flashcards in 10/8/12 Deck (32):
1

What 2 findings, other than muscle wasting, are commonly found in myotonic dystrophy?

cataracts and cardiac conduction defects

2

Alk phos is most commonly elevated in diseases of the _______ or _______.

bone or liver

3

What lab value should be assessed to differentiate liver from bone etiology when the alk. phos. is moderately increased?

γ-glutamyl transpeptidase

4

What, again, is the main function of the HCG produced by the placenta in pregnancy?

to keep the corpus luteum producing progesterone

4

Which cholinergic receptors are present on the SA node? (They are only found here!)

M2

5

Which of the 3 primary germ cell layers do the pharyngeal clefts give rise to?

ectoderm

6

Which of the 3 primary germ cell layers do the pharyngeal arches give rise to? What else?

mesoderm and neural crest

7

Which of the 3 primary germ cell layers do the pharyngeal pouches give rise to?

endoderm

8

Branchial cysts result from the incomplete obliteration of what embryonic structure? Be specific?

2nd or 3rd pharyngeal cleft (aka groove)

9

What factors does H. influenzae require to grow on culture?

NAD and hematin (factors V and X)

10

What are the 2 ways in which to provide factors V and X for H. influenzae growth on blood agar?

gentle heating or growth w/ beta-hemolytic organism (e.g. S. aureus)

11

What bacteria usu. requires cold temps to grow?

Listeria

12

What are the signs of primary toxoplasma infection?

fever, lymphadenopathy

13

What visual field defect would be caused by a lesion of the right optic tract?

left homonymous hemianopia

14

What visual field defect would be caused by a lesion of the left lateral geniculate nucleus?

right hoonymous hemianopia

15

What visual field defect would be caused by a lesion of the left temporal lobe?

right upper quadrantopia

16

What visual field defect would be caused by a lesion of the whole left side of the occipital lobe?

right homonymous hemianopia w/ macular sparing

17

Where do you best hear the systolic murmur of a ASD?

pulmonic area

18

What is the typical description of the heart on X-ray in ToF?

boot-shaped heart

19

What are the first line treatments in hypoparathyroidism?

calcium gluconate or Vit D (ergocalciferol, calcitriol, or calcifediol)

20

What is pamidronate used for?

to Tx HYPERcalcemia

21

What is the main mechanism of action of amphetamines?

induction of NE release

22

What 3 major nerves arise from the C5 and C6 nerve roots?

musculocutaneous, axillary, and suprascapular

23

What major nerve arises from the C8 and T1 nerve roots - those affected by Klumpke's palsy?

ulnar and median

24

What is the most common site of large-bowel volvulus? What pt pop?

sigmoid colon; elderly

25

What is the genetic defect in cri-du-chat syndrome?

terminal deletion of Ch 5p

26

What is the genetic defect in Li-Fraumeni syndrome?

mutation of p53 (Ch 17)

27

What childhood disease can cause Subacute Sclerosing PanEncaphalitis years after initial infection?

Rubeola

28

What is rubeola?

Measles!

29

The suprachiasmatic nucleus of the hyypothalamus is reponsible for our _______.

circadian rhythm

30

What is the antidote for opiate overdose?

Naloxone

31

Do benzos increase the frequency or duration of GABA channel opening?

frequency