Uworld

Question 1

Describe frostbite

Answer 1

Is characterized by freezing of tissue, leading to disruption of cell membranes, ischemia, vascular thrombosis and inflammatory changes.

Question 2

How should Mefloquine treatment be given as chemoprophylaxis in traveling to chloroquine resistance endemic areas?

Answer 2

Begin >= 2 weeks prior to travel, continued during stay and discontinued 4 weeks after returning.

Question 3

Parkinson disease commonly presents initially with the classic tetrad of ____

Answer 3

Resting tremor
Postural instability
Bradykinesia
Rigidity

Question 4

Classic reactive arthritis consists of a triad of

Answer 4

Nongonococcal urethritis
Oligoarthritis
Conjunctivitis

Question 5

What is myoclonus?

Answer 5

Myoclonus is characterized by sudden, involuntary muscle contraction or relaxation that results in movement of limbs or joints.

Question 6

Posthypoxic myoclonus is often seen after _______

Answer 6

Cardiac arrest

Question 7

Posthypoxic myoclonus acute form- myoclonus status epilepticus occurs while patients are ________ and is characterized by __________

Answer 7

Still unconscious

Generalized (often symmetric) myoclonus that involves the axial, limb and facial muscles.

Question 8

What is a hydrocele

Answer 8

Hydrocele is a fluid collection within the tunica vaginalis, a sac surrounding the testis

Question 9

____________ is the most frequent bacterial cause of Lemierre syndrome

Answer 9

Fusobacterium necrophorum

Question 10

_____________ is caused by an oropharyngeal infection, usually pharyngitis or tonsillitis that leads to local invasion of the lateral pharyngeal wall and infection of the neurovascular bundle especially the internal jugular vein

Answer 10

Lemierre syndrome

Question 11

Evidence-based maintenance monotherapy options for bipolar disorder include ________, ________, _________ and ___________

Answer 11

Lithium, valproate, quetiapine and lamotrigine

Question 12

In bipolar patients with severe and frequent mood episodes, the combination of _________ and _________ is used as first line combination pharmacotherapy.

Answer 12

Lithium or valproate and a second generation antipsychotic

Question 13

Neoplastic cells travel through the vasculature and lodge in the small- caliber vessels at the ___________

Answer 13

Gray and white matter junction

Question 14

Manifestation of metastatic brain disease in a patient with lung cancer includes: _________, __________, _____________ and _________

Answer 14

Headaches, focal deficit, cognitive changes and seizures

Question 15

Cocaine intoxication typically presents with _______, ________ and _________

Answer 15

• Elevated blood pressure and heart rate
• Feelings of euphoria
• Increased alertness

Question 16

More life threatening consequences of cocaine intoxication include _______ and _____

Answer 16

Cardiac ischemia and intracranial hemorrhage

Question 17

Phencycline poisoning can present with _________, ________ ________, ___________ and often ________

Answer 17

Agitation, miosis, tachycardia, nystagmus and often psychotic and/or dissociative behavior

Question 18

__________ most commonly present with severe headache that is not relieved by nonsteroidal anti-inflammatory drugs.

Answer 18

Brain abscesses