Human physiology worksheet with answers

Free printable Human physiology worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

Which organ makes most plasma proteins, such as albumin?

  1. ALiver
  2. BSpleen
  3. CKidney
  4. DBone marrow
2.Easy

Where is most of the nutrient absorption in the digestive tract?

  1. ASmall intestine
  2. BOesophagus
  3. CLarge intestine
  4. DStomach
3.Easy

Which organ filters the blood to produce urine?

  1. ASpleen
  2. BBladder
  3. CKidney
  4. DLiver
4.Medium

Besides lowering glucose, insulin moves which ion into cells, an effect used to treat hyperkalaemia?

  1. AChloride
  2. BPotassium
  3. CCalcium
  4. DSodium
5.Medium

Which receptor is stimulated when the patellar tendon is tapped in the knee-jerk reflex?

  1. AMuscle spindle
  2. BPacinian corpuscle
  3. CNociceptor
  4. DGolgi tendon organ
6.Medium

What is the main effect of aldosterone on the kidney?

  1. AIncreased filtration in the glomerulus
  2. BWater reabsorption by inserting aquaporins only
  3. CSodium reabsorption and potassium secretion in the distal nephron
  4. DGlucose reabsorption in the proximal tubule
7.Hard

Why does a person with a high spinal cord injury above T1 risk low blood pressure?

  1. AThe phrenic nerve can no longer control the tone of the arteries
  2. BThe sympathetic outflow to the vessels and heart is cut off
  3. CRenin release from the kidney stops completely
  4. DThe vagus nerve is cut, so the heart rate rises
8.Hard

A healthy person stands up quickly after lying down. Which reflex response prevents fainting?

  1. AADH release immediately doubles blood volume
  2. BThe chemoreceptor reflex raises breathing rate and arterial oxygen levels
  3. CThe Bainbridge reflex lowers heart rate
  4. DThe baroreceptor reflex raises heart rate and vasoconstriction

Answer key

  1. 1. A · Liver
  2. 2. A · Small intestine
  3. 3. C · Kidney
  4. 4. B · Potassium
  5. 5. A · Muscle spindle
  6. 6. C · Sodium reabsorption and potassium secretion in the distal nephron
  7. 7. B · The sympathetic outflow to the vessels and heart is cut off
  8. 8. D · The baroreceptor reflex raises heart rate and vasoconstriction

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