Competitive Exams: Medical Science MCQs (Practice-Test 1 of 135)

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  1. The renal medulla is composed of tissue called ______.

    1. Renal pyramids

    2. Nephrons

    3. Renal sinus

    4. Renal pelvis

    Answer: a

  2. Juxtaglomerular cells combine with _______ cells to form the juxtagomerular apparatus in the kidney.

    1. Macula densa

    2. Renal pelvis

    3. Nephron

    4. Renal sinus

    Answer: a

  3. Which of the following is not in the sequence of proper kidney blood flow? The starting point is the renal artery and the finishing point is the renal vein.

    1. Arciform artery

    2. Afferent arteriole

    3. Interlobar vein

    4. Arciform vein

    Answer: c

  4. Which is found in the highest concentration in the urine?

    1. Uric acid

    2. Urea

    3. Glucose

    4. Creatinine

    Answer: b

  5. The primary function of the ascending loop of Henle in the kidney is?

    1. The active re-absorption of sodium

    2. The active re-absorption of chloride ions

    3. The passive re-absorption of potassium

    4. The passive re-absorption of urea

    Answer: b

  6. The middle layer of the urinary bladder is identified as ___________.

    1. Mucous coat

    2. Submucous coat

    3. Muscular Coat

    4. Sphincter Coat

    Answer: b

  7. The micturition reflex center is located in the _____.

    1. Pons

    2. Midbrain

    3. Lumbar plexus

    4. Sacral plexus

    Answer: d

  8. Which of the following match with the definition: a poor output of urine?

    1. Oliguria

    2. Pyruia

    3. Enuresis

    4. Diuresis

    Answer: a

  9. Capillary loops located in the medulla are also known as _________.

    1. Vasa recta

    2. Urea collectors

    3. Trigone

    4. Macula densa

    Answer: a

  10. The primary function of the descending loop of Henle in the kidney is?

    1. Reabsorption of sodium ions

    2. Reabsoption of water by osmosis

    3. Secretion of hydrogen ions

    4. Secretion of potassium ions

    Answer: b