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Repeated USMLE Questions Step 1- 316

Q- Which of the following are the primary vessels responsible for the regulation of blood pressure?

A- Arteries

B- Arterioles

C- Capillaries

D- Veins

E- Venuses

B-Arterioles



Q- Which one of the following factors stimulates the renal secretion of renin?

A- Decreased pressure in the afferent glomerular arterioles

B- Increased pressure in the afferent glomerular arterioles

C- Decreased serum sodium ion concentration

D- Increased chloride ion concentration in the renal distal tubules

C-Decreased serum sodium ion concentration



Q- Which one of the following differentiates exudate from transudate?

A- Few leukocytes

B- Low protein content

C- High specific gravity

D- High osmotic pressure

C-High specific gravity



3 thoughts on “Repeated USMLE Questions Step 1- 316”

  1. 1):B)
    2):c)
    3):c)

  2. 1) :B)
    2): c)
    3) c)

  3. For the question about renin, why is it serum Na? I thought it was low NaCl at the macula densa/low BP at the afferent arteriole/ B1 sympathetic stimulation.

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