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U-World Review > 2/28/17 > Flashcards

2/28/17 Flashcards

1
Q

Pancreatic Adenocarcinoma: Signs and Symps

A

Nontender gallbladder, weight loss, obstructive jaundice (pale stool, dark urine, puritis)

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2
Q

Chlorenphenicol: Side Effect

A

Grey baby

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3
Q

Uncal herniation: Signs and Symps

A

Ipsilateral occulomotor nerve palsy (fixed dilated pupil)

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4
Q

TE fistula/esophageal atresia vs Posterior nasal obstruction

A

Both: Cough, cyanosis

TE Only: Drooling

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5
Q

Osteocyte communications

A

Gap Junctions

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6
Q

Stop Codons

A

UAA
UAG
UGA

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7
Q

Leukotriene B4: function

A

Most potent chemotaxis agent

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8
Q

Lac Operon: Components

A

Single Promoter/repressor set, Single mRNA, multiple products

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9
Q

IgA: Function

A

Inhibition of mucosal colonization due to attack of membrane or structural proteins

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10
Q

Heparin MoA

A

Heparin binds Antithrombin, increasing Xa binding,

Bound Xa decreases prothrombin to thrombin conversion, leading to anticoag

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11
Q

Radial vs Ulnar vs Medial nerve damage

A

Radial
Sign: wrist drop,
Sensory loss: posterior forearm, dosalateral hand
Weakness: Finger extensors

Ulnar:
Sensory: 1st and half of 2nd digit (medial side)
Motor: flexion of 4th/5th + wrist

Median:
Sensory: 1st 3 digits
Motor: thumb flexion/opposition, 1st/2nd digit flexion, wrist flexion, abduction

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12
Q

Transesophageal echocardiogram: Heart positions

A

LA: Post posterior
LV: Lateral
RA: Anterior
RV: Lateral

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13
Q

N. Gonorrhea: Immunity issues

A

Antigenic variability

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14
Q

MS: bladder

A

Loss of inhibitory signaling > uncontrolled contraction of bladder

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15
Q

Bosentan: MoA

A

Blocks endothelin (pulmonary vaso constrictors) leading to pulomonary vasodilation

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16
Q

CD55 + CD59: Role and association

A

Complement inhibitors: associated paroxymal nocturnal hemoglobinuria

17
Q

Tertiary syphilis: Cardiac sequale

A

Aortic aneurysm (signs: aortic regurge + medialstinal widening)

Starts with vasa vasorum endarteritis

18
Q

First Gen Antipsychs: Side Effects

A

High Potency: extrapyramidal effects

Low Potency: sedation, anticholenergic

19
Q

Antiarrythmics: Side Effects

A

Orthostatic HTN

20
Q

Renal Hypoxic Damage: Most likely areas

A

proximal tubule + thick ascending loop

21
Q

Shaken Baby/abusive head trauma redflags

A

Retinal hemorrhage

22
Q

Liver Tests: AST/ALT vs PT/Albumin

A

AST/ALT: damage indicators

PT/Albumin: function indicators

23
Q

TB Drugs: Ethambutol side effects

A

Optic neuopathy

U-World Review (12 decks)

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