March 21 test 1 Flashcards Preview

1 USMLE-rx > March 21 test 1 > Flashcards

Flashcards in March 21 test 1 Deck (16):
1

What can cause malignant hyperthermia?

Inhaled anesthetics-- Fluranes
Succinylcholine

2

Vasculitis associated with HepB infection and has transmural inflammation of the arterial wall with fibrinoid necrosis?

Polyarteritis nodosa
-Presents in younger pt with fever, weight loss, malaise, HA, abd pain and melena
-Also, HTN, Neurologic dysfunction, cutaneous eruptsions, and renal damage

3

Peripheral blood smear of pt with DIC is most likely to show what type of RBCs?

Schistocytes due to microangiopathic hemolytic anemia

4

What is another name for acid-fast staining used for dx of Mycobacteria, Nocardia, and Cryptosporidium?

Ziehl-Neelsen stain--carbol fuchsin

5

What are the risk factors for the development of Neonatal respiratory distress syndrome?

Prematurity
Maternal DM--due to increased fetal insulin
C-section--decreased release of fetal glucocorticoids

6

Dermatitis herpetiformis is associated with what disease?

Celiac disease

7

Pt with normal fluency and comprehension but defect in repetition suffers from damage to what?

Arcuate fasciculus --white matter that connects wernicke to brocas

8

What pediatric brain tumor has homer-wright rosettes/pseudorosettes--small blue cells?

Medulloblastoma

9

Presents as localized, single group of nodes and is characterized by Reed-Sternberg cells?

Hodgkin lymphoma

10

What adult brain tumor found in the cerebral hemisphere that can cross the corpus callosum has pseudopalisading pleomorphic tumor cells?

Glioblastoma multiforme--Grade IV astrocytoma

11

What disease causes "punched out" lesions in bone, which lead to fractures?

Multiple myeloma

12

Multiple myeloma is a _______ cell cancer?

Plasma

13

What is the most common mutation that occurs with CF and what does this cause a defect in?

deltaF508--leads to defective processing from the ER to the golgi

14

What 2 tumor markers are often elevated with pancreatic cancer

CA 19-9 and carcinoembryonic antigen (CEA)

15

What is the triad of Granulomatosis with polyangiitis?

Focal necrotizing vasculitis
Necrotizing granulomas in the lung and upper airway
Necrotizing GN

c-ANCA associated

16

Which Thalassemia has increased HbF?

B-thalassemia major