Exam (elaborations)
USMLE Exam| Latest Questions with 100% Correct Answers
- Course
- Institution
USMLE Exam| Latest Questions with 100% Correct Answers
[Show more]
Content preview
USMLE Exam| Latest Questions with100% Correct Answers
What method of bacterial resistance would be impeded by adding H+ to the
solution? - ✔ ✔ Bacterial efflux of the drug because the pump normally
needs energy that is created by a H pump
Pt has a point mutation leading to Arg for Glyc in the 375 position for gene coding
for a fibroblast growth factor receptor on chromosome 4? - ✔ ✔ Achondroplasia
Achondroplasia clinical features? - ✔ ✔ Autosomal dominant genetic
disorder leading to inhibited cartilage proliferation which leads to shortened
proximal extremities and an enlarged head with frontal bossing
Lens ectopy resulting from a mutation in FBN1 gene on chromosme 15?
- ✔ ✔ Marfan's syndrome
Bone fragility resulting from a mutation in COL1A1 gene on Chr 17 or
COL1A2 gene on Chr 7? - ✔ ✔ Osteogenesis imperfecta
t(11:22) ? - ✔ ✔ Ewing Sarcoma
,What genetic abnormalities are associated with fused or extra digits although it
can occur as isolated event? - ✔ ✔ Fused: apert syndrome from missense in
FGFR-2 on chr 10. Extra: Patau syndrome trisomy 13
Infant found to have a defective tyrosine kinase that is normally activated by CD
19 and is involved in responding to antigen exposure? - ✔ ✔ Bruton's
Agammaglobemenia
Pt has normal testosterone levels by low testosterone in seminiferous tubules
and epididymis what cells are dysfunctional? - ✔ ✔ Normal levels are generated
by leydig cells. Sertoli cells produce androgen binding protein that keeps an
increased testosterone in seminiferous tubule
Ablation of what structure can treat hyperhidrosis? - ✔ ✔ Thoracic
sympathetic trunk
What component that interacts with the uterus can be found in the
round ligament? - ✔ ✔ Inguinal canal
What 2 steps in the pathway of epinephrine production require methylation? -
✔ ✔ Norepinephrine to epinephrine and epinephrine to vanillylmandelic acid
Soft, flesh colored nodules are what in a patient with cafe au lait , intertriginous
freckling, bony lesions, iris lisch nnodules? - ✔ ✔ Benign tumor from NF1
, What pulmonary conditions are associated with hyaline membrane in the alveoli?
- ✔ ✔ ARDS and hyaline membrane disease of neonates
Bowel shows mucosal hemorrhage and patchy areas of necrosis? - ✔ ✔
Ischemic colitis
What is the enzyme in the first step of beta-oxidation? - ✔ ✔ Acyl CoA
Dehydrogenase(there is a small, medium, and large chain version)
Where is deficit if patient begins to have low glucose and no ketone body
formation >24 hours after a fast? - ✔ ✔ Beta-oxidation or Ketone body synthesis
Why are ketone bodies produced during a long fast? - ✔ ✔ Acetyl-CoA
produced exceeds the amount that can be used in TCA
What Michaelis-Menton kinetic changes with increase in enzyme concentration?
- ✔ ✔ Velocity max increases but Km doesn't change
X-ray shows a knee with almost complete loss of cartilage. What is most common
risk factor and condition? - ✔ ✔ OA and Age
What medical treatment can be given to pts with carcinoid tumors? -
✔ ✔ Octreotide it decreases the release of bioactive peptides from the tumor
What vitamin deficiency is common in pt with carcinoid syndrome? - ✔ ✔
Niacin due to excessive use of tryptophan to make serotonin
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Examsplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73216 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now