Bocock Uworld Week 3.6

Front 1

In the presence of ADH, tubular fluid concentration is highest at the....?

Back 1

collecting duct

Front 2

In the absence of ADH, where is tubular fluid the most concentrated?

Back 2

junction of descending and ascending limbs

Front 3

Where in the kidney is tubular fluid most dilute?

Back 3

DCT

Front 4

Name the penicillinase resistant penicillins?

Back 4

methicillin, nafcillin, oxacillin

Front 5

Commonly used to rx skin and soft tissue infections caused by staph aureus?

Back 5

PRPs...methicillin, nafcillin, oxacillin

Front 6

What is thr rx for staph aureus food poisoning caused by preformed exotoxins?

Back 6

supportive....b/c this is a toxin mediated illness

Front 7

PAINLESS lesion on the penis?

Back 7

syphillis

Front 8

DOC for syphilis?

Back 8

penicillins

Front 9

MOA of penicillins?

Back 9

D-ala-D-ala analogs that inhibit transpeptidase

Front 10

What type of tumor is associated w/ the pancreatic tumors of MEN 1?

Back 10

gastrinoma

Front 11

Type of MHC molecules used by APCs to present foreign ag?

Back 11

MHC Class II

Front 12

What is the outcome of the valine-glutamic acid switch in sickle cell disease?

Back 12

hydrophobic interactions among Hb molecules

Front 13

What happens to HbS under anoxic conditions?

Back 13

hydrophobic interactions cause Hb to polymerize wthin RBCs

Front 14

What hormone is lacking in central diabetes insipidus?

Back 14

ADH

Front 15

This condition is resistance to ADH action on V2 receptors in the kidney?

Back 15

nephrogenic diabetes insipidus

Front 16

The combination of two drugs with similar actions can be...?

Back 16

additive or synergistic

Front 17

Type of effect when cortisol increases vascular and bronchial reactivity to catecholamines?

Back 17

permissive effect

Front 18

Gram - + oxidase positive+ blue green pigment

Back 18

pseudomonas aeruginosa

Front 19

Hot tub folliculitis

Back 19

pseudomonas aeruginosa

Front 20

The lagging strand of DNA requires the action of what two enzymes more than the leading strand?

Back 20

DNA primase and DNA ligase

Front 21

carries sensation to the posterior wall of the external auditory canal...stimulation can cause syncope?

Back 21

vagus nerve

Front 22

Most common form of hair loss in both men and women?

Back 22

androgenetic alopecia

Front 23

What is the inheritance pattern of androgenetic alopecia?

Back 23

polygenic

Front 24

Bite cell

Back 24

G6PDH deficiency

Front 25

What can make wernicke encephalopathy worse?

Back 25

infusion of glucose w/o thiamine

Front 26

Reason glucose infusion w/o thiamine can worsen wernicke's syndrome?

Back 26

thiamine is needed for the breakdown of glucose

Front 27

Condition associated with low levels of C1 esterase inhibitor?

Back 27

hereditary angioedema

Front 28

ACE inhibitors should not be used in pts with what condition?

Back 28

AD hereditary angioedema

Front 29

Best site to detect LOW FREQUENCY sound in the cochlea?

Back 29

helicotrema

Front 30

Best site to detect HIGH FREQUENCY sound in the cochlea?

Back 30

oval and round windows

Front 31

Action to take if child abuse is suspected?

Back 31

contact CPS immediately

Front 32

Endemic to SW US+spherules containing endospores

Back 32

coccidioides

Front 33

Hides in macrophages+ endemic to MISS/OHIO river valley

Back 33

histoplasma

Front 34

Broad based budding yeast+endemic to eastern US

Back 34

blastomycosis

Front 35

Detects trace bleeding in the GI tract?

Back 35

stool guaiac test

Front 36

Ulcers in this part of the GI tract are not associated with an increased risk of carcinoma?

Back 36

duodenum

Front 37

Drugs useful in pts with atypical depression?

Back 37

MAO inhibitors like phenelzine and tranylcypromine

Front 38

MC disorder of the urea cycle?

Back 38

ornithine transcarbamoylase deficiency