Human body systems and control coordination - Question Bank

1. The hormone that stimulates the release of eggs from the ovary is:
A) Estrogen
B) Progesterone
C) Follicle-stimulating hormone (FSH)
D) Luteinizing hormone (LH)
2. Which part of the neuron receives signals from other neurons?
A) Axon
B) Cell body
C) Dendrite
D) Axon terminal
3. The junction where a motor neuron communicates with a muscle fiber is called a:
A) Neuromuscular junction
B) Synapse
C) Ganglion
D) Plexus
4. The 'rest and digest' activities of the body are primarily controlled by the:
A) Sympathetic nervous system
B) Somatic nervous system
C) Parasympathetic nervous system
D) Central nervous system
5. Which hormone is responsible for the development of female secondary sexual characteristics?
A) Testosterone
B) Progesterone
C) Estrogen
D) Luteinizing hormone (LH)
6. The ability of the body to maintain a stable internal environment is called:
A) Homeostasis
B) Metabolism
C) Respiration
D) Digestion
7. Which gland produces adrenaline and cortisol?
A) Thyroid gland
B) Pituitary gland
C) Adrenal gland
D) Pancreas
8. The structure that transmits nerve impulses from the ear to the brain is the:
A) Auditory nerve
B) Optic nerve
C) Vagus nerve
D) Olfactory nerve
9. The process of generating a new nerve impulse after a brief refractory period is called:
A) Repolarization
B) Depolarization
C) Resting potential
D) Action potential propagation
10. Which hormone is involved in regulating the body's metabolism and energy production?
A) Insulin
B) Adrenaline
C) Thyroxine
D) Growth hormone
11. The auditory receptors are located in the:
A) Cornea
B) Retina
C) Cochlea
D) Tongue
12. Which system primarily uses chemical signals for long-term regulation of body functions?
A) Nervous system
B) Endocrine system
C) Circulatory system
D) Excretory system
13. The hormone that stimulates the production of milk in the mammary glands is:
A) Oxytocin
B) Estrogen
C) Progesterone
D) Prolactin
14. Which part of the neuron contains the nucleus and most of the organelles?
A) Axon
B) Dendrite
C) Cell body (Soma)
D) Myelin sheath
15. The structure that connects the brain to the spinal cord is the:
A) Cerebellum
B) Pons
C) Medulla oblongata
D) Cerebral cortex
16. The chemical released at a synapse that transmits a signal from one neuron to another is called a:
A) Hormone
B) Enzyme
C) Neurotransmitter
D) Receptor
17. Which hormone is responsible for regulating calcium levels in the blood?
A) Thyroxine
B) Insulin
C) Parathyroid hormone (PTH)
D) Glucagon
18. The 'fight or flight' response is mediated by the:
A) Parasympathetic nervous system
B) Somatic nervous system
C) Sympathetic nervous system
D) Enteric nervous system
19. The hormone that promotes the reabsorption of water in the kidneys is:
A) Aldosterone
B) Antidiuretic hormone (ADH)
C) Atrial natriuretic peptide (ANP)
D) Calcitonin
20. Which of the following is NOT a function of the nervous system?
A) Receiving stimuli
B) Processing information
C) Producing hormones
D) Transmitting signals
21. The part of the brain responsible for processing sensory information, relaying it to the cerebral cortex, is the:
A) Cerebellum
B) Hypothalamus
C) Thalamus
D) Brainstem
22. Which gland produces glucagon, a hormone that raises blood glucose levels?
A) Liver
B) Spleen
C) Pancreas
D) Adrenal gland
23. The myelin sheath around an axon acts as an electrical insulator, speeding up nerve impulse transmission through a process called:
A) Depolarization
B) Repolarization
C) Saltatory conduction
D) Synaptic delay
24. Which hormone is produced by the pineal gland and regulates sleep-wake cycles?
A) Serotonin
B) Melatonin
C) Dopamine
D) Adrenaline
25. The sympathetic and parasympathetic systems are divisions of the:
A) Central nervous system
B) Peripheral nervous system
C) Autonomic nervous system
D) Somatic nervous system
26. Which structure in the ear is responsible for maintaining balance?
A) Cochlea
B) Eardrum
C) Ossicles
D) Semicircular canals
27. The chemical messengers of the endocrine system are known as:
A) Enzymes
B) Hormones
C) Neurotransmitters
D) Antibodies
28. Which hormone is essential for the development of male secondary sexual characteristics?
A) Estrogen
B) Progesterone
C) Testosterone
D) Follicle-stimulating hormone (FSH)
29. The 'control center' of the cell, containing genetic material, is the:
A) Mitochondrion
B) Ribosome
C) Nucleus
D) Endoplasmic reticulum
30. The hormone that increases heart rate and blood pressure is:
A) Insulin
B) Thyroxine
C) Adrenaline
D) Growth hormone
31. Which part of the eye is responsible for converting light into electrical signals?
A) Cornea
B) Lens
C) Retina
D) Iris
32. The 'master gland' that controls many other endocrine glands is the:
A) Thyroid gland
B) Adrenal gland
C) Pancreas
D) Pituitary gland
33. Which hormone is produced by the pancreas and lowers blood glucose levels?
A) Glucagon
B) Insulin
C) Adrenaline
D) Cortisol
34. The process by which a neuron transmits an electrical signal along its axon is called:
A) Synaptic transmission
B) Action potential
C) Refractory period
D) Depolarization
35. Which system is responsible for coordinating and controlling all activities of the body?
A) Skeletal system
B) Circulatory system
C) Nervous and endocrine systems
D) Digestive system
36. The adrenal glands produce hormones that regulate:
A) Growth and metabolism
B) Blood sugar and stress response
C) Reproduction and secondary sexual characteristics
D) Water balance and blood pressure
37. Which of the following is a type of neurotransmitter?
A) Glucose
B) Acetylcholine
C) Sodium ion
D) Water
38. The peripheral nervous system includes:
A) Brain and spinal cord
B) Cranial nerves and spinal nerves
C) Only sensory nerves
D) Only motor nerves
39. Which part of the brain controls basic life functions like breathing and heart rate?
A) Cerebrum
B) Cerebellum
C) Medulla Oblongata
D) Thalamus
40. The hormone that stimulates the uterus to contract during childbirth is:
A) Progesterone
B) Estrogen
C) Oxytocin
D) Prolactin
41. Which endocrine gland is located in the neck and produces thyroxine?
A) Parathyroid gland
B) Adrenal gland
C) Thyroid gland
D) Thymus gland
42. The junction between two neurons is called a:
A) Node of Ranvier
B) Axon terminal
C) Myelin sheath
D) Synapse
43. Which part of the neuron transmits the nerve impulse away from the cell body?
A) Dendrite
B) Cell body (Soma)
C) Axon
D) Synapse
44. The reflex arc involves:
A) Brain, spinal cord, and effector
B) Sensory neuron, motor neuron, and interneuron
C) Receptor, sensory neuron, spinal cord, motor neuron, and effector
D) Sensory organ, brain, and muscle
45. The 'fight or flight' response is primarily triggered by which hormone?
A) Cortisol
B) Adrenaline
C) Insulin
D) Thyroxine
46. Which gland produces growth hormone?
A) Thyroid gland
B) Adrenal gland
C) Pituitary gland
D) Pancreas
47. What is the primary function of the endocrine system?
A) Rapid communication via electrical signals
B) Slower communication via chemical signals (hormones)
C) Mechanical digestion of food
D) Oxygen transport to tissues
48. The central nervous system consists of:
A) Brain and spinal cord
B) Brain and all nerves
C) Spinal cord and all nerves
D) Cranial nerves and spinal nerves
49. Which hormone is responsible for regulating blood sugar levels?
A) Thyroxine
B) Adrenaline
C) Insulin
D) Estrogen
50. The nervous system's basic structural and functional unit is called:
A) Neuron
B) Axon
C) Dendrite
D) Synapse