Zadanie 3c
Describe the route followed by a pain-triggered withdrawal reflex.
Integration of body systems
Umiejętności w tym dziale
Umiejętności z tego działu sprawdza 38 zadań wzorowanych na arkuszach IB z lat 2022–2026. Dział pojawia się w 26 z 57 arkuszy w bazie.
Zadania z tego działu: 38 Otwórz w wyszukiwarce z filtrami
Zadanie 16
Which description is compatible with a peripheral nerve supplying the skin and nearby skeletal muscle? A. A bundle that may contain sensory and motor axons, some insulated by myelin B. A chain of interneuron cell bodies joined by synapses along its entire…
Zadanie 16
Which receptors detect a rise in arterial blood pressure and contribute to reflex adjustment of heart rate? A. Stretch-sensitive baroreceptors in the aortic wall B. Light receptors in the retina C. Chemoreceptors that measure only blood glucose D. Motor…
Zadanie 17
Which sequence can correctly link a chemical change in the blood to a change in heart rate? A. Lower pH → chemoreceptors → nervous signalling via the medulla → faster heart rate B. Lower pH → pressure-only receptors → secretion of antibodies → slower heart…
Zadanie 17
Which cells carry the final nervous signal from the central nervous system to contract a skeletal muscle during withdrawal of a limb? A. Retinal receptor cells B. Spinal interneurons only C. Motor neurons with terminals on muscle fibres D. Glial cells forming…
Zadanie 18
A person normally sleeps from about 01:00 until 07:30. The 24-hour clock shows four positions. Around which position would melatonin normally be highest? A. A B. B C. C D. D
- Materiał graficzny
Zadanie 3b
Distinguish the functions of sensory and motor neurons.
- Materiał graficzny
Zadanie 3c
A tick-borne infection can affect the human central nervous system. Name the two principal parts of this system.
Zadanie 15
The graph models the ventilatory response when increased metabolic carbon dioxide lowers blood pH. Which receptor response contributes to the rise in ventilation? A. Thermoreceptors detect a fall in body mass B. Baroreceptors measure oxygen-binding affinity C.…
- Materiał graficzny
Zadanie 16
Which gland–hormone–role combination is correct? A. Pineal gland — melatonin — coordination of daily sleep timing B. Adrenal gland — insulin — lowering blood glucose C. Pancreas — melatonin — initiating sleep D. Pineal gland — adrenaline — increasing cardiac…