Download EndocrineSystemQuiz

William Gillett Academy
Name:
Biology 3201 – The Endocrine System
Multiple Choice:
ANS
____1. Which gland controls calcium levels in blood?
(A) adrenal
(B) pineal
(C) parathyroid
(D) thyroid
____2. Dwarfism is caused by the under-secretion of which hormone?
(A) adrenaline
(B) HGH
(C) LH
(D) thyroxine
____3. The graph below shows the blood glucose levels of a healthy person over a short
period of time. Which hormone is most likely secreted by the pancreas at point Y?
(A) glucagon
(B) insulin
(C) melatonin
(D) somatotropin
____4. Which is a result of hyperthyroidism?
(A) decreased blood vessel diameter
(B) decreased mental capacity
(C) increased bone calcium
(D) increased metabolic rate
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William Gillett Academy
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____5. Which gland produces and releases a thyroid-stimulating hormone?
(A) anterior pituitary
(B) hypothalamus
(C) posterior pituitary
(D) thyroid
____6. What causes giantism?
(A) overproduction of human growth hormone
(B) overproduction of insulin
(C) underproduction of human growth hormone
(D) underproduction of insulin
____7. Which term best describes the actions of adrenaline and noradrenaline?
(A) antagonistic
(B) complementary
(C) negative feedback
(D) positive feedback
Use this diagram for the next 3 questions:
____8. Which letter in the diagram points to the adrenal glands?
(A) A
(B) B
(C) C
(D) D
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William Gillett Academy
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____9. Which gland in the diagram is responsible for controlling metabolism in the heart,
liver, kidney, and muscle tissues?
(A) A
(B) B
(C) C
(D) D
____10. Which gland in the diagram is responsible for regulating the body’s metabolism
of sugar and other carbohydrates?
(A) A
(B) B
(C) C
(D) D
____11. A newly discovered drug is found to increase the volume of urine production.
When ADH is administered, the volume of urine returns to normal. Which best describes
the action of the new drug?
(A) blocks the release of ADH from the kidney
(B) blocks the release of ADH from the pituitary
(C) triggers the release of ADH from the kidney
(D) triggers the release of ADH from the pituitary
____12. Which gland secretes melatonin?
(A) lacrimal
(B) pineal
(C) pituitary
(D) sweat
____13. Which gland functions improperly when there is a lack of iodine in the diet?
(A) adrenal
(B) salivary
(C) tear
(D) thyroid
____14. Why do protein hormones need to trigger a second messenger to activate a target
cell?
(A) They are not water soluble.
(B) They bind to multiple types of cells.
(C) They cannot cross cell membranes.
(D) They require activation by ATP.
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William Gillett Academy
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____15. Which disorder is caused by an over-secretion of the human growth hormone
(HGH)?
(A) diabetes mellitus
(B) dwarfism
(C) giantism
(D) hyperthyroidism
____16. Which is responsible for maintaining a relatively constant body temperature?
(A) antagonistic hormones
(B) negative feedback system
(C) pituitary hormones
(D) positive feedback system
____17. What is most likely present in high amounts in an individual who has been
fasting for 24 hours?
(A) glucagon
(B) glucose
(C) insulin
(D) oxytocin
____18. Which best describes the action of a drug that stimulates weight loss?
(A) Decreases the activity of the thymus
(B) Decreases the activity of the thyroid
(C) Increases the activity of the thymus
(D) Increases the activity of the thyroid
____19. How does insulin affect blood in a normal human body?
(A) Decreases calcium levels
(B) Decreases glucose levels
(C) Increases calcium levels
(D) Increases glucose levels
Questions:
20. Which endocrine gland is most likely damaged in a female whose menstrual cycle has
stopped and metabolism has slowed? Explain.
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William Gillett Academy
Name:
21. What four symptoms would confirm the diagnosis obtained from a positive result on
a Benedict’s Solution test?
22. Describe how a negative feedback loop works by using an example of it working in
the endocrine system.
23. Describe 3 ways that the response of a nerve differs from the response of a hormone.
24. A child has abnormal growth of bone tissue causing extra long legs and arms. What
is the probable cause of the condition and give two ways it can be treated.
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