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WorksheetsIB Topic 6 - Hormones
Total questions: 23
Worksheet time: 12mins
Which hormone, released from the β cells of the pancreas, is involved in regulating blood glucose levels?
(a)
Which hormone, released from the α cells of the pancreas, is involved in regulating blood glucose levels?
(a)
Insulin signals cells in muscles and liver to convert glucose into which polymer?
(a)
What causes type 1 diabetes?
Insufficient production of insulin from the β cells of the pancreas
Insufficient production of insulin from the α cells of the pancreas
Insulin resistance due to cells not recognising insulin
Cells do not respond to glucagon
What is the main treatment for type II diabetes and why?
Insulin injections after eating to replace the natural production by the pancreas
Insulin tablets with food to encourage take up of glucose from the bloodstream
Careful diet and exercise regime to prevent blood sugar getting too high
Medicines to stimulate the production of more insulin receptors in cells
Which gland secretes thyroxine?
Pineal gland
Thyroid
Pancreas
Pituitary gland
Which hormone is involved in the control of metabolic rate and helps control body temperature?
(a)
Deficiency in which substancemay lead to the formation of a goitre?
Vitamin D
Iodine
Iron
Vitamin E
Which cells release Leptin?
(a)
What is the target organ and function of leptin?
Targets the hypothalamus to increase hunger
Targets the pituitary to increase hunger
Targets the hypothalamus to decrease hunger
Targets the pituitary to decrease hunger
Why is treatment with leptin not recommended for patients with obesity (check all that apply)
In most cases obesity is a lack of response to leptin, not a lack of production
It causes skin irritations and other side effects
Few people in clinical trials lost weight when given leptin injections
Leptin can not be produced and purified in sufficient quantities to be a useful medicine
Which hormone controls circadian rhythms?
(a)
Which gland secretes melatonin?
(a)
Which of the following conditions may be alleviated using melatonin?
Type I diabetes
Jet Lag
Hypothyroidism
Infertility
Which gene, usually found on the Y chromosome, determines whether embryonic gonads will develop into testes or ovaries?
(a)
Which hormone causes the pre-natal development of male genitalia and typically male secondary sexual characteristics at puberty?
(a)
Ovulation occurs after a sharp peak in which hormone of the menstrual cycle.
(a)
Which of the following are roles of the corpus luteum during the menstrual cycle?
Secreting oestrogen
Causing ovulation
Maintaining the endometrium
Secreting progesterone
Inhibiting FSH and LH
During the menstrual cycle what occurs in response to a fall in progesterone levels?
Thickening of the endometrium
Growth of the follicle
Menstruation
Ovulation
The hormones progesterone and LH were measured in a woman’s blood over 40 days. When did her menstrual bleed start?
At point i
At point ii
At point iii
At point iv
Which of the following is correct for progesterone and FSH levels during the first seven days of the menstrual cycle?
A
B
C
D
What is the result of high FSH levels during the menstrual cycle?
peak levels cause ovulation
Peak levels stimulate follicle development and oestrogen secretion of the follicle.
Peak levels stimulate follicle development and progesterone secretion of the follicle.
Peak levels cause repair of the lining of the uterus.
Which hormone is released from the developing embryo and helps maintain the corpus luteum?
(a)
