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RSV is an RNA virus that enters the cell via a fusion protein - ANSWER (which is the
target of the prophylactic monoclonal antibody drug Palivizumab)
Gram-positive rods in a diabetic foot wound (or a World War I soldier fighting in a
trench) means - ANSWER means Clostridium perfringens (the causative organism of
gas gangrene). Crepitus means gas in the tissues, which is produced as a byproduct of
its highly virulent alpha toxin
Crepitus - ANSWER means gas in the tissues, which is produced as a byproduct of its
highly virulent alpha toxin
Clostridium perfringens - ANSWER (the causative organism of gas gangrene).
The causative organism of a a necrotizing wound with a purplish. black discoloration -
ANSWER most likely produces an alpha toxin virulence factor
With Von Willebrand's - ANSWER the only laboratory abnormality is increased bleeding
time (literally you prick the patient and see how long it takes them to stop bleeding).
von Willebrand disease Frequently, On Step, bleeding women have VWD. Bleeding
boys have hemophilia. - ANSWER is by far the most common inherited bleeding
diathesis.
On the USMLE Step exam - ANSWER bleeding women have VWD. Bleeding boys have
hemophilia.
Autism -like behavior - ANSWER resist making eye contact and flapping hands
Fragile X Syndrome - ANSWER Autism-like behaviors (resist making eye contact and
flapping hands) and large testicles after puberty
Fragile X Syndrome caused by - ANSWER trinucleotide repeat expansion
RSV is an RNA virus that enters the cell - ANSWER via a fusion protein (which is the
target of the prophylactic monoclonal antibody drug Palivizumab).*
RSV is an RNA virus - ANSWER causes RSV Bronchiolitis
RSV is an RNA virus - ANSWER has a property of mediation of cell entry via fusion
protein
, NBME Sample Questions and Answer
Latest 2022
β2 adrenergic agonists' effects on smooth muscle - ANSWER cause dilation of
bronchial passages, vasodilation in muscle and liver, relaxation of uterine muscle, and
release of insulin
β2 adrenergic agonists - ANSWER are primarily used to treat asthma and other
pulmonary disorders, such as COPD bilateral wheezing as a result of a bee sting
The purpose of Rhogam - ANSWER is to bind to and remove the RhD antigens so that
the mother does not form an immune response against the antigen in fetus' blood.
Rhogham administration - ANSWER It's given to at-risk Rh- moms at 28 weeks and at
deliver
Mom is group O and baby is RH Negative give - ANSWER give Rhogham
Metformin causes - ANSWER 1. Hepatic glucose output to be decreased
2. target tissue glucose uptake and utilization to be increased
Metformin (Glucophage) - ANSWER decreases hepatic glucose production, decreases
intestinal absorption of glucose, and improves insulin sensitivity by increasing peripheral
glucose uptake and utilization.*
colicky right flank pain that radiates to
the groin and hematuria.
Ultrasound examination of the kidneys shows right-sided hydronephrosis and a dilated
ureter.
Which of the following is most likely to be found on urinalysis? - ANSWER Uric acid
crystals
Neisseria gonorrhoeae gram stain of the
exudate - ANSWER shows numerous neutrophils, many that contain intracellular gram-
negative diplococci.
Neisseria gonorrhoeae - ANSWER is able to switch out different pilin genes, and for this
reason, prior infection does not confer long-lasting immunity.
Gonorrhea - ANSWER Gonorrhea can change its pilus, which is responsible for
adhesion to host cells and the main antigen to which the host mounts an immune
response.
Neisseria gonorrhoeae - ANSWER has the property of antigenic variation which causes
reinfection