| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.HL.TZ1.21 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 21 | Adapted from | N/A |
Question
The diagram below represents the homeostatic control of body temperature. What does the part labelled X represent?
A. Heart
B. Kidney
C. Pituitary
D. Hypothalamus
Markscheme
D
Examiners report
N/A
Syllabus sections
Show 162 related questions
- 17N.1.HL.TZ0.25: The graph shows changes in an individual’s blood glucose concentration over time. What...
- 17N.2.SL.TZ0.06b: Explain how hormones are used to control the human menstrual cycle.
- 17N.1.SL.TZ0.30: What is the name and source of the hormone that regulates basal metabolic rate?
- 17N.1.SL.TZ0.29: Which hormone inhibits appetite? A. Epinephrine B. Leptin C. Thyroxin D. Glucagon
- 17M.3.SL.TZ2.3c.ii: State the target that leptin normally acts on.
- 17M.3.SL.TZ2.3c.i: State the tissue that produces leptin in humans.
- 17M.3.SL.TZ2.3b: Discuss the implications of these results for recommending leptin injections as an appetite...
- 17M.3.SL.TZ2.3a: Distinguish between the effect of leptin injection on 24 hour food intake in the mice fed the...
- 17M.2.HL.TZ2.7c: Explain the roles of specific hormones in the menstrual cycle, including positive and...
- 17M.2.HL.TZ1.1f.ii: Suggest a reason for the greater expression of the gene for the urea transporter after an...
- 17M.2.SL.TZ2.2a: Glands are organs that secrete and release particular chemical substances. Melatonin is an...
- 17M.2.SL.TZ1.6c: Outline how leptin controls appetite.
- 17M.2.SL.TZ1.1c: Estimate how much smaller drilled oysters raised in seawater at a high CO2 concentration were...
- 17M.1.HL.TZ1.25: The graph shows the changes in blood glucose concentration of an untreated patient with type...
- 17M.1.SL.TZ2.27: The bacterium Neisseria gonorrhoeae causes infections related to the human reproductive...
- 17M.1.SL.TZ1.30: Pancreatic gland cells produce and secrete large amounts of digestive enzymes. Which...
- 17M.1.SL.TZ1.28: The diagram shows the male reproductive organs in front view. Which structures are...
- 17M.1.SL.TZ1.27: Which hormone promotes the thickening of the endometrium and also inhibits the hormone that...
- 17M.1.SL.TZ1.21: Cladograms can be created by comparing DNA or protein sequences. The cladogram on the left is...
- 16M.2.HL.TZ0.2c: Describe how the hormone leptin helps to prevent obesity.
- 16M.2.HL.TZ0.1h: Compare and contrast the results of the treatment on group 1 with the results of the...
- 16M.2.HL.TZ0.1e: Evaluate the effectiveness of the embryonic stem cell treatment in controlling blood glucose.
- 16M.2.HL.TZ0.1d: Compare and contrast the concentration of blood glucose resulting from the embryonic stem...
- 16M.2.HL.TZ0.1b: Outline the cause of type I diabetes in humans.
- 16M.2.HL.TZ0.1a: State the highest mean concentration of blood glucose in the mice with...
- 16N.1.SL.TZ0.30: Which is a negative feedback mechanism in the menstrual cycle? A. Follicle stimulating...
- 16N.1.SL.TZ0.29: Which hormone controls circadian rhythms? A. ThyroxinB. MelatoninC. LeptinD. Glucagon
- 16M.1.SL.TZ0.30: How can knowledge about the pineal gland function be applied? A. To restore sleep time by...
- 15M.1.HL.TZ1.23: Which describes the secretion of hormones in the pancreas in response to low levels of...
- 15M.1.HL.TZ1.24: Which hormone shows the greatest fall in blood concentration just before menstruation?A. FSH...
- 15M.1.SL.TZ2.30: What happens when human body temperature rises during exercise?A. The arterioles move closer...
- 15M.2.SL.TZ1.1b (i): Estimate the difference between mean blood glucose levels in control and IKO older female...
- 15M.2.SL.TZ1.1a: Compare blood glucose levels after fasting in young control mice and young IKO mice without...
- 15M.2.SL.TZ1.1b (ii): Aging and having pregnancies are considered to be physiological stresses. Deduce the effect...
- 15M.2.SL.TZ1.1c: Outline the relationship between blood glucose levels after fasting and lack of FoxO1 in the...
- 15M.2.SL.TZ1.1e: State the correlation between lack of FoxO1 and pancreatic hormones in mice.
- 15M.2.SL.TZ1.1f: Referring to the functions of insulin and glucagon, suggest how the differences in hormone...
- 15M.3.SL.TZ2.3a : State two symptoms of type II diabetes.
- 15M.1.HL.TZ2.34: What happens when human body temperature rises during exercise? A. The arterioles move...
- 15M.1.HL.TZ2.33: What characterizes type I diabetes? A. It can be controlled by diet alone.B. Risk factors...
- 15M.2.HL.TZ1.1a: Compare blood glucose levels after fasting in young control mice and young IKO mice without...
- 15M.2.HL.TZ1.1f: State which group of cells showed the least change in the mice studied.
- 15M.2.HL.TZ1.1g: Deduce the effects of aging on the distribution of cell types in mice.
- 15M.2.HL.TZ1.1h: A hypothesis has been suggested that diabetes is caused by β cells losing their ability to...
- 15M.2.HL.TZ1.1b: Aging and having pregnancies are considered to be physiological stresses. Deduce the effect...
- 15M.2.HL.TZ1.1c: Outline the relationship between blood glucose levels after fasting and lack of FoxO1 in the...
- 15M.2.HL.TZ1.1e: State the correlation between lack of FoxO1 and pancreatic hormones in mice.
- 15M.2.HL.TZ1.1i: When there are high blood glucose levels, more FoxO1 is found in the nucleus of the cell than...
- 15M.3.SL.TZ1.3a: Outline the symptoms of type II diabetes.
- 15M.3.SL.TZ1.3b: Explain the dietary advice that should be given to a patient who has developed type II diabetes.
- 15N.1.SL.TZ0.27: How does the hypothalamus respond to a very high body temperature? A. Increases muscle...
- 15N.1.SL.TZ0.28: What is a characteristic of type II diabetes? A. Insufficient insulin B. Insulin...
- 15N.1.SL.TZ0.29: Which two hormones promote thickening of the endometrium? A. FSH and LH B. Estrogen and...
- 15N.1.HL.TZ0.24: How does the hypothalamus respond to a very high body temperature? A. Increases muscle...
- 15N.2.SL.TZ0.4b: Outline the role of glucagon in homeostasis of glucose.
- 15N.2.HL.TZ0.8b: Outline how the human body responds to high blood glucose levels.
- 13M.2.HL.TZ2.6c: Explain the control of body temperature in humans.
- 13M.2.HL.TZ2.8b: Hormones such as FSH (follicle stimulating hormone) and LH (luteinizing hormone) affect the...
- 13M.1.HL.TZ1.24: What is a characteristic of type II diabetes? A. Liver cells are less sensitive to...
- 13M.1.HL.TZ1.25: What is the function of LH (luteinizing hormone) in the menstrual cycle? A. Development of...
- 13M.1.HL.TZ2.24: Why does shivering occur? A. The body cannot control muscles when they become cold.B....
- 13M.2.SL.TZ2.7c: Explain the control of body temperature in humans.
- 13N.1.HL.TZ0.25: Where is follicle stimulating hormone (FSH) produced in females and what is its function?A....
- 13N.2.SL.TZ0.1b: State the relationship between plasma fatty acid level and enzyme activity.
- 13N.2.SL.TZ0.1f: Comment on the effect of increased insulin concentration on glucose absorption in the muscle...
- 13N.2.SL.TZ0.6c: Outline the role of hormones in the menstrual cycle.
- 13N.2.HL.TZ0.1f: Calculate the percentage change of enzyme activity after 5 hours exposure to lipids.
- 13N.2.HL.TZ0.1i: Some investigators suggest that there is a strong relationship between high lipid diet and...
- 13N.1.SL.TZ0.29: What is the body’s response to low blood glucose levels?A. Alpha cells in the pancreas...
- 13N.2.HL.TZ0.1d: (i) Compare the relative proportions of type I and type II diabetes between the different...
- 13N.2.HL.TZ0.1e: State the relationship between plasma fatty acid level and enzyme activity.
- 13N.1.SL.TZ0.28: The diagram below shows the female reproductive system. What are the structures indicated...
- 13N.2.SL.TZ0.1a: Distinguish between type I and type II diabetes.
- 13N.2.SL.TZ0.1c: Calculate the percentage change of enzyme activity after 5 hours exposure to lipids.
- 13N.2.SL.TZ0.1d: Discuss, using the data, whether the effect of lipids on this enzyme is reversible.
- 13N.2.SL.TZ0.1e: Calculate the increase in glucose absorption when insulin is increased from 0 to 103 μU ml–1...
- 13N.2.SL.TZ0.1g: Some investigators suggest that there is a strong relationship between high lipid diet and...
- 13N.2.SL.TZ0.6a: Reproduction can cause populations to increase rapidly. Draw a labelled graph showing a...
- 13N.2.HL.TZ0.1a: Identify, among young people aged 10–19 years, which ethnic group showed the highest rate of...
- 13N.2.HL.TZ0.1b: Determine the rate of new cases of type II diabetes among children of African ethnicity aged...
- 13N.2.HL.TZ0.1c: Compare rates of diabetes between the two age groups studied.
- 13N.2.HL.TZ0.1g: Discuss, using the data, whether the effect of lipids on this enzyme is reversible.
- 13N.2.HL.TZ0.1h: Comment on the effect of increased insulin concentration on glucose absorption in the muscle...
- 13M.1.SL.TZ1.29: How does the body respond to an increase in body temperature? I. Vasoconstriction of skin...
- 13M.1.SL.TZ1.30: Oral contraceptives taken by women contain the hormone progesterone. How does this prevent...
- 13M.1.SL.TZ2.28: The diagram shows a feedback pathway. Which sequence is an example of the pathway?
- 13M.1.SL.TZ2.29: What structures are indicated on the diagram?
- 13M.1.SL.TZ2.30: LH causes the rupture of a follicle and release of an egg cell. What is this process...
- 13M.3.SL.TZ1.3a: Outline the control mechanism for appetite in humans.
- 13M.3.SL.TZ2.3b: List two reasons for increases in the rate of clinical obesity. 1. ...
- 13M.3.SL.TZ2.4a: Calculate the percentage of slow (type I) muscle fibres that contain low levels of glycogen...
- 13M.3.SL.TZ2.4c (i): Compare the effects of the 3000 m programme with the 6000 m programme on muscle glycogen levels.
- 13M.3.SL.TZ2.4c (ii): Suggest reasons for the differences between the 3000 m programme and the 6000m programme in...
- 13M.3.SL.TZ2.4d: Suggest one limitation of the data.
- 13M.3.SL.TZ2.4b: State the effect of the 3000 m programme on glycogen levels in slow (type I) muscle fibres.
- 11M.1.HL.TZ1.24: What will be happening in a person after eight hours of sleep? A. β cells in the pancreas...
- 11M.1.HL.TZ1.25: The diagram below shows the male reproductive system. Which are the epididymis and the...
- 11M.2.HL.TZ2.8a: Outline the role of the skin in temperature regulation.
- 11M.1.SL.TZ1.29: Which words from the table below complete the sentence correctly? In the pancreas, _____I___...
- 11M.3.SL.TZ1.3c: Explain the dietary advice that should be given to a patient who has developed type II diabetes.
- 11M.3.SL.TZ1.3b: State one symptom of type II diabetes.
- 11M.3.SL.TZ1.6b: Explain the role of calcium ions in muscle contraction.
- 12M.2.HL.TZ1.8a: Outline what is meant by homeostasis.
- 12M.2.HL.TZ1.4a: Outline the process of in vitro fertilization (IVF).
- 12M.2.HL.TZ1.8b: Describe how body temperature is maintained in humans.
- 12M.1.HL.TZ2.38: The diagram shows the adult female reproductive system. Which label shows the cervix and...
- 12M.1.HL.TZ2.23: Which of the following are controlled by homeostasis? I. Blood pH II. Water balance III....
- 12M.1.HL.TZ2.24: Which of the following help to control body temperature on a very hot day? I. Shivering II....
- 12M.1.SL.TZ2.26: Which of the following are controlled by homeostasis? I. Blood pH II. Water balance III....
- 12M.1.SL.TZ2.30: What is a function of LH (luteinizing hormone)? A. It stimulates the release of an egg from...
- 12M.2.SL.TZ1.7b: Describe how body temperature is maintained in humans.
- 12M.2.SL.TZ1.7a: Outline what is meant by homeostasis.
- 09M.2.HL.TZ1.5c: Discuss the ethical issues surrounding IVF.
- 09M.2.HL.TZ2.5a: Draw a labelled diagram of the adult female reproductive system.
- 09M.2.HL.TZ2.5b: Outline the roles of progesterone and estrogen in the human menstrual cycle
- 09M.1.HL.TZ1.22: What are the structures labelled I and II on the diagram of the male reproductive system?
- 09M.2.SL.TZ1.5: Distinguish between type I and type II diabetes.
- 09M.2.SL.TZ1.8a: Draw a labelled diagram of the adult male reproductive system.
- 09M.2.SL.TZ1.8c: Discuss the ethical issues associated with IVF.
- 09M.1.SL.TZ2.29: What is placed into the uterus after the process of in vitro fertilization (IVF)? A. EggsB....
- 09M.1.SL.TZ1.30: What is the correct sequence of events used in IVF?
- 09M.1.HL.TZ2.13: Which structure releases glucagon? A. α cells of the pancreasB. β cells of the pancreasC....
- 10M.2.HL.TZ1.4b: Outline how the human body prevents blood glucose concentration from rising excessively.
- 10M.2.HL.TZ2.6b: Describe how pancreatic cells directly affect blood glucose levels.
- 10M.2.HL.TZ2.6c: Explain why diabetes could be detected through the analysis of urine.
- 10M.2.HL.TZ2.2d (i): The graphs below show the normal menstrual cycle. Predict, with a reason, how the graphs...
- 10M.2.HL.TZ2.2d (ii): List two roles of testosterone in males.
- 10M.1.SL.TZ1.29: What are causes of type I and type II diabetes?
- 10M.1.SL.TZ2.30: Which of the following is/are a role of testosterone in males? I. Pre-natal development of...
- 10M.2.SL.TZ1.3b: Outline the roles of FSH in the menstrual cycle.
- 10M.2.SL.TZ1.3c: FSH is secreted by the pituitary gland. During pregnancy, FSH secretion is inhibited. Suggest...
- 10M.2.SL.TZ1.3a: Identify hormones I and II. I:...
- 10M.2.SL.TZ2.4c: Sketch the hormone changes between days 13 and 28 on the graphs below for a woman in her...
- 10M.1.HL.TZ1.25: What are the roles of testosterone in males? A. Stimulation of FSH production and growth in...
- 10M.2.SL.TZ2.7c: Explain how an impulse passes along the membrane of a neuron.
- 09N.1.SL.TZ0.29: What is a role of the hypothalamus in homeostasis?A. Monitoring body temperatureB. Monitoring...
- 09N.1.SL.TZ0.30: What is the sequence of operations during IVF treatment?A. egg collection → FSH injections →...
- 09N.1.HL.TZ0.24: What is the consequence of insufficient secretion of FSH in women?A. Embryo implantation...
- 11N.2.HL.TZ0.1 h: Research is being conducted into treatment for diabetes based on stem cells. Discuss the...
- 11N.2.HL.TZ0.1 f (i): Outline the effect of CXCL12 inhibition on the incidence of diabetes.
- 11N.2.HL.TZ0.1 f (ii): Suggest how the breakdown of CXCL12 in the bone marrow may be related to diabetes.
- 11N.2.HL.TZ0.1 g: Evaluate the possible use of isoprenaline in the treatment of diabetes.
- 11N.2.HL.TZ0.6 c: Outline the hormonal control of birth.
- 11N.1.SL.TZ0.28: Which hormone triggers ovulation? A. FSH B. Testosterone C. Progesterone D. LH
- 11N.1.SL.TZ0.27: Which of the following is a characteristic of type I but not type II diabetes? A. β cells in...
- 12N.1.HL.TZ0.22: The concentration of which hormone peaks sharply triggering ovulation? A. FSHB. LHC....
- 12N.1.HL.TZ0.21: What is a feature of type I diabetes but not type II diabetes? A. Target cells become...
- 12N.1.HL.TZ0.23: The diagram shows a section through the male reproductive system. Which structure represents...
- 09N.2.HL.TZ0.1f: Distinguish between the effects of insulin alone and exercise alone on glucose uptake in...
- 09N.2.SL.TZ0.4b: Outline the role of luteinizing hormone (LH) after ovulation.
- 09N.2.SL.TZ0.6c: Explain the concept of homeostasis, using the control of blood sugar as an example.
- 09N.2.HL.TZ0.1a: Calculate the percentage increase between mean blood insulin levels in IDE + /+ mice and...
- 09N.2.HL.TZ0.1b: Explain the difference in blood insulin concentrations between the two groups of mice.
- 10N.2.HL.TZ0.5b: Outline the role of hormones in the menstrual cycle.
- 09N.2.HL.TZ0.1d: Deduce, with a reason, whether transgenic IDE −/− mice are an appropriate model of type II...
- 09N.2.HL.TZ0.1h: State which cells secrete insulin and the organ in which they are located. Cells: Organ:
- 09N.2.HL.TZ0.1i: State the name of one hormone other than insulin involved in the regulation of blood glucose.
- 09N.2.SL.TZ0.4a: The diagram below shows the female reproductive system. Label the diagram above with the...
- 09N.2.HL.TZ0.1c: Distinguish between the response of the two groups of mice to the injection of glucose.
- 09N.2.HL.TZ0.1g: Evaluate, using the data, whether exercise would be an appropriate therapy for human patients...
- 09N.2.HL.TZ0.1e: Explain the reason for the differences in insulin-stimulated glucose uptake between control...
- 09N.3.SL.TZ0.2b: Outline the reasons for increasing rates of clinical obesity in some countries.
