Animal Hormones Practice Questions

Name gland A.

Name the hormone released by gland B that controls metabolic rate.

Name gland C, which releases adrenalin.

Gland D is the ovary. Name the hormone released by the testes in a male.

Complete the sentence.

Hormones are transported from endocrine glands to their target organs in the ______________ .

State what is meant by the term target organ.

Which gland releases FSH?

• A ovary
• B pancreas
• C pituitary
• D thyroid

Name the gland that releases this hormone.

State two effects of this hormone on the firefighter's circulatory system.

State what is meant by metabolic rate.

Describe how the body responds when the level of thyroxine in the blood falls below normal.

Explain why this control system is described as negative feedback.

Name the process that takes place on days 1–5.

Name the hormone that causes the lining of the uterus to be repaired and to thicken on days 6–13.

Name the hormone that causes the event on day 14 and state the gland that releases it.

Explain the role of progesterone on days 15–28.

Explain how the combined pill prevents pregnancy.

Use the information in the table and your own knowledge to evaluate the use of hormonal methods of contraception compared with barrier methods.

Calculate the percentage increase in the volunteer's heart rate.

Explain how adrenalin caused the change in the volunteer's blood glucose concentration.

Suggest one advantage to the volunteer of the increase in heart rate.

Explain how clomifene therapy could increase the woman's chance of becoming pregnant.

Clomifene therapy is not successful for the couple, so they are offered IVF. Describe how hormones are used in IVF treatment.

Explain why the patient's TSH level is much higher than the normal range.

The patient is then given thyroxine tablets to take every day. Predict, with a reason, the effect of this treatment on the patient's TSH level.

Suggest one symptom the patient may have had before treatment started.

Use the data in the table to identify the day on which ovulation is most likely to have occurred. Justify your answer.

Explain the link between the oestrogen concentration on day 12 and the LH concentration on day 13.

The egg released in this cycle was not fertilised. Explain what happens to the progesterone concentration and the lining of the uterus after day 27.