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

What is the normal resting heart rate range for a healthy adult?

  1. A40 to 60 beats per minute
  2. B100 to 140 beats per minute
  3. C60 to 100 beats per minute
  4. D20 to 40 beats per minute
2.Easy

Which type of white blood cell is the most numerous in healthy adult blood?

  1. ANeutrophils
  2. BMonocytes
  3. CEosinophils
  4. DLymphocytes
3.Easy

Which hormone raises blood calcium levels?

  1. ACalcitonin
  2. BParathyroid hormone
  3. CThyroxine
  4. DInsulin
4.Medium

What is the normal pH range of arterial blood?

  1. A7.50 to 7.65
  2. B7.00 to 7.20
  3. C7.35 to 7.45
  4. D6.80 to 7.00
5.Medium

Which ABO blood group has both anti-A and anti-B antibodies in the plasma?

  1. AGroup A
  2. BGroup O
  3. CGroup B
  4. DGroup AB
6.Medium

Which hormonal event triggers ovulation?

  1. AA surge of luteinising hormone (LH)
  2. BA surge of prolactin
  3. CA fall in oestrogen
  4. DA rise in progesterone from the corpus luteum
7.Hard

In Graves' disease, what thyroid function results are expected and why?

  1. ALow T4 and high TSH, because antibodies destroy the gland
  2. BHigh T4 and high TSH, because the anterior pituitary gland is overactive
  3. CHigh T4 and low TSH, because antibodies stimulate the TSH receptor
  4. DLow T4 and low TSH, because the hypothalamus fails
8.Hard

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

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

Answer key

  1. 1. C · 60 to 100 beats per minute
  2. 2. A · Neutrophils
  3. 3. B · Parathyroid hormone
  4. 4. C · 7.35 to 7.45
  5. 5. B · Group O
  6. 6. A · A surge of luteinising hormone (LH)
  7. 7. C · High T4 and low TSH, because antibodies stimulate the TSH receptor
  8. 8. B · The baroreceptor reflex raises heart rate and vasoconstriction

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