77 Best USMLE Questions and Answers (Q&A) - ProProfs Discuss

John Smith
Answered: Apr 27, 2024

Asbestos-the correct answer is b. this image demonstrates an advanced case of mesothelioma, in which the entire left lung is encased with tumor. the clinical history supports this diagnosis....Read More

1 Answer

378 views

What muscles make you bigger?

John Smith
Answered: Apr 27, 2024

1. 400 bp-exons are the coding portions of genes and consist of trinucleotide codons that guide the placement of specific amino acids into protein. introns are the noncoding portions of genes...Read More

1 Answer

371 views

Do physicians do surgery?

John Smith
Answered: Apr 27, 2024

Atp-the correct answer is a. the disease is chlamydial cervicitis. this venereally transmitted infection is usually suspected after treatment for gonorrhea fails to relieve symptoms. however, a few...Read More

1 Answer

364 views

What are the function of the basement membrane?

John Smith
Answered: Apr 27, 2024

Molecular filtering -epithelial cells require a basement membrane as a structural support. in most epithelia the basement membrane prevents penetration from the underlying lamina propria into the...Read More

1 Answer

347 views

What are the 600 muscles in your body?

John Smith
Answered: Apr 27, 2024

Lateral pterygoid -the temporalis, masseter, and medial and lateral pterygoid muscles attach to the mandible and are the major muscles involved in movements of the jaw. the buccinator muscle, which...Read More

1 Answer

334 views

Where is the template-directed RNA formed?

John Smith
Answered: Apr 27, 2024

Expression of oncogenes-oncogenes are cancer-producing genes. they are closely related to normal cellular genes and are often tyrosine kinases, growth factors, or receptors for growth factors. the...Read More

1 Answer

332 views

Is a molecule an element?

John Smith
Answered: Apr 27, 2024

Glycine-the primary structure of collagen peptides consists of repeating tripeptides with a gly-x-y motif, where gly is glycine and x and y are any amino acid. the small ch2 group connecting the...Read More

1 Answer

331 views

What is the working mechanism of a metaphase-blocking dose of colchicine?

John Smith
Answered: Apr 27, 2024

Inhibition of tubulin polymerization -at a mitosis-inhibiting dose, colchicine functions by binding specifically and irreversibly to tubulin. the colchicine-tubulin complex is added at the positive...Read More

1 Answer

325 views

Can I write USMLE after MBBS?

John Smith
Answered: Apr 27, 2024

Psoas major-the correct answer is e. this is the classic presentation of a psoas abscess. this clinical entity was formerly a fairly common complication of vertebral tuberculosis, but is now rare in...Read More

1 Answer

312 views

A 35-year-old woman presents to her gynecologist with complaints of burning on urination for the past 2 days.Dipstick test of her urine demonstrates marked positivity for leukocyte esterase, but no...

Chachelly
Answered: Apr 27, 2024

Enterococcus faecalis

The correct answer is B. The positive leukocyte esterase test indicates the presence of neutrophils in the urine, suggesting a bacterial infection. The nitrite test...Read More

1 Answer

312 views

A 15-year-old boy presents to his physician with several weeks of slowly worsening pruritus of both of his feet. Heis otherwise well and taking no medications. On examination, he has bilateral,...

Chachelly
Answered: Apr 27, 2024

Branching, septate hyphae

The correct answer is B. This is a case of tinea pedis, or athletes foot, caused by a variety of dermatophytic fungi, which are easily detected on alkali mounts of...Read More

1 Answer

311 views

How much does it cost to take the USMLE?

John Smith
Answered: Apr 27, 2024

Diameter of pulmonary vessels-a number of physiologic changes occur in a person living at high altitude. the diminished barometric pressure at high altitude causes alveolar hypoxia and arterial...Read More

1 Answer

310 views

What provides innervation to the rotator cuff muscle that medially rotates the arm?

John Smith
Answered: Apr 27, 2024

Upper and lower subscapular nerves-the upper and lower subscapular nerves innervate the subscapularis muscle, which is the only muscle of the rotator cuff group that medially rotates the arm. the...Read More

1 Answer

304 views

What is the most likely diagnosis? A 59-year-old woman was recently admitted to the hospital because of oral ulcers and diffuse crusted, denuded, erythematous plaques on her torso and upper ARMS...

Chachelly
Answered: Apr 27, 2024

Pemphigus vulgaris

The correct answer is E. This patient has pemphigus vulgaris, a potentially fatal autoimmune disorder characterized by easily ruptured superficial vesicles that often...Read More

1 Answer

295 views

Why is a doctor called a physician?

John Smith
Answered: Apr 27, 2024

Branching, septate hyphae-the correct answer is b. this is a case of tinea pedis, or athletes foot, caused by a variety of dermatophyticfungi, which are easily detected on alkali mounts of scraped...Read More

1 Answer

268 views

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