Cosmic Funnies
NASA
EXPECTATIONS
𓃗
@theartofmadeline
he wasn't even looking at me and he found me
Lint Roller? I Barely Know Her
I'd rather be in outer space 🛸
almost home
No title available
Fai_Ryy
Game of Thrones Daily
untitled
🩵 avery cochrane 🩵
todays bird
oozey mess
wallacepolsom
ojovivo
we're not kids anymore.
pixel skylines
seen from Ukraine
seen from Russia
seen from United States
seen from Malaysia
seen from United States
seen from Singapore
seen from Vietnam
seen from Uruguay
seen from United States
seen from United States
seen from United Arab Emirates
seen from China
seen from Italy
seen from United States
seen from France
seen from United States
seen from Germany
seen from T1
seen from United Kingdom
seen from United Arab Emirates
@usmlecomlex
Biochemistry
Aspirin functions as a potent anti-inflammatory agent because it 1 Inhibits the synthesis of prostaglandins 2 Stimulates platelet aggregation 3 Inhibits the synthesis of polyunsaturated fatty acids 4 Stimulates arachidonate formation 5 Stimulates the synthesis of eicosanoid hormones Previous Q&A Question A sonographic examination of the placenta revealed images of the fetal membranes…
View On WordPress
Pathology
A sonographic examination of the placenta revealed images of the fetal membranes falling short of the edge of the placenta. The first sonogram revealed this abnormality at 13 weeks on a routine size and date examination. This finding persisted throughout the pregnancy on subsequent sonograms. The patient went into labor at 32 weeks, with a delivery of a normal preterm male neonate. Maternal…
View On WordPress
Pathology - Neuro.
A 53-year old male presents with eye pain and loss of vision in his left eye. Serial examination with indirect ophthalmoscopy and scanning with A & B mode ultrasonography reveals a discoid shaped tumor in the uveal tract, the largest dimension of which is 12 mm. Microscopic examination of the enucleated tumor reveals highly cohesive spindle cells, small nuclei with indistinct cell borders forming…
View On WordPress
Neuroanatomy
The fornix is a fiber bundle that connects which two limbic structures?
Answer Choices
1Â Hypothalamus and thalamus 2Â Hippocampus and hypothalamus 3Â Cingulate gyrus and hippocampus 4Â Thalamus and cingulate gyrus 5Â Hypothalamus and cingulate gyrus Previous Q&A
A 74-year-old man has not been able to pass urine today, but had been able to do so normally the previous 2 days.…
View On WordPress
PharmacologyÂ
A 74-year-old man has not been able to pass urine today, but had been able to do so normally the previous 2 days. Physical examination is remarkable for a blood pressure of 175/90 mm Hg. Laboratory examination reveals a serum creatinine of 4.5 mg/dL and a blood urea nitrogen of 115 mg/dL. Urinalysis reveals a specific gravity of 1.01 mg/dL and an occasional white blood cell per high-powered…
View On WordPress
Genetics
Genetics http://wp.me/s60f85-genetics
A 2-year-old boy is frequently sick. In addition, he seems to be getting a lot of small bruises and pinpoint hemorrhages on his skin. The child has a crusty, red rash. His mother is trying to treat the rash with calamine lotion, but doing so does not help. During an exam, you discover that the boy has eczema. After the boy has yet another upper respiratory infection, his mother brings him to you…
View On WordPress
Neuroanatomy: Demylinating Disorders
Name the demyelinating disorder associated with the following clinical and pathologic features:
1. Triad of intention tremor, scanning speech, and nystagmus, may present with INO or internuclear ophthalmoplegia or sudden vision loss due to optic neuritis.
A. Guillain-Barre Syndrome
B. JC Virus
C. Progressive multifocal leukoencephalopathy
D. Multiple sclerosis
View On WordPress
Organ Systems: Renal
A 23-year old man is beginning chemotherapy for leukemia when he develops severe intermittent left flank pain that soon migrates to the pelvis. Three days later, the patient’s creatinine level rises & he is diagnosed with acute renal failure. His fractional excretion of sodium is >4% with a urine osmolality of <350 mOsm/kg. Blood and urine cultures are negative for bacteria and eosinophilia. An…
View On WordPress
Pharmacology
A long-haul truck driver comes into your asthma clinic complaining that he is sneezing constantly & has burning & watery eyes. He indicates that he seems to have a month or so of these symptoms every spring. Which of the following drugs would be most appropriate to treat this patient?
A. Dimenhydrinate
B. Scopolamine
C. Fexofenadine
D. Cetrizine
Answer to Yesterday’s USMLE Daily Question:
A…
View On WordPress
Pathology
A patient arrives at the emergency department with serum glucose of 28 mg/dL (normal is 80-100 mg/dL). He has no history of diabetes and is not taking any medications. Which of the following statement is FALSE?
A. Elevated C-peptide level would be consistent with an insulinoma.
B. Surreptitious use of insulin should have a low C-peptide level.
C. Surreptitious use of sulfonylureas have an…
View On WordPress
Pharmacology
A 33-year old woman with a history of Graves’ disease is brought to the emergency department unresponsive following a bout of confusion and agitation. On physical examination her temperature is 39.2 C (102.5 deg F), her blood pressure is 100/70 mm Hg, and her pulse is 165/minute. A systolic ejection murmur is heard at the apex, and the patient has 3+ pitting edema at the ankles. Following primary…
View On WordPress
Neuroanatomy
Which of the following combinations of nuclei originate from the basal plate of the developing brain of the embryo? (A) Abducens + spinal trigeminal (B) Cochlear + oculomotor (C) Hypoglossal + nucleus ambiguus (D) Hypoglossal + vestibular (E) Mesencephalic of trigeminal + oculomotor
View On WordPress
cervical enlargement (C5–T1) gives rise to the nerve roots for the arms, and the lumbosacral enlargement (L1–S3) gives rise to the nerve roots for the legs
A 26- year- old man is brought to the Emergency Department from the site of a motor vehicle collision. The man is unconscious, and the initial examination reveals that he has fractures of his left hand, a compound fracture of his left humerus, and multiple facial and scalp injuries. A CT reveals a fractured skull and a traumatic brain injury (TBI). Which of the following labeled areas in the image below identifies blood within a part of the ventricular system in this man?
An 89- year- old man is brought to the family physician by his daughter who is concerned that her father is getting forgetful. The history reveals that the man has been quite active all his life and currently is working part- time at a garden supply store. The examination reveals a healthy, ambulatory man with no overt neurological signs and whose cognitive functions are within an appropriate range for his age. An MRI shows enlarged ventricles, but no lesions in the brain or ventricles. These observations suggest that that this man’s condition is most likely which of the following? (A) Communicating hydrocephalus (B) Congenital hydrocephalus (C) Hydrocephalus ex vacuo (D) Obstructive hydrocephalus (E) Posthemorrhagic hydrocephalus
#neuroanatomy