Hormones Quiz
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5 questions, one answer each
Each answer is checked as you go, with why.
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1. Which gland secretes insulin?
- A. Adrenal glands
- B. Pancreas
- C. Testes
- D. Ovaries
2. What is a hormone?
- A. An electrical impulse that travels along a neurone
- B. A chemical made by a gland and carried in the blood to a target organ
- C. A type of blood cell that fights infection
- D. A structure in the eye that detects light
3. Which of these is an effect of adrenaline?
- A. Decreased heart rate
- B. Decreased pupil diameter
- C. Increased breathing rate
- D. Decreased blood glucose concentration
4. A patient has consistently high blood glucose levels and is found to produce very little insulin. What hormone deficiency explains this, and which condition does it describe?
- A. Too little glucagon; Type 2 diabetes
- B. Too little insulin; Type 1 diabetes
- C. Too much adrenaline; a stress disorder
- D. Too much oestrogen; a hormonal imbalance
5. Compared with a nervous reflex, why does a hormonal response to a stressful event take longer to appear but last longer?
- A. Because hormones travel by electrical impulses which are slow but continuous
- B. Because hormones are carried in the blood, which is slower than nerve impulses but keeps circulating and acting until broken down
- C. Because hormones only work at night
- D. Because hormonal responses do not involve target organs, so there is no delay