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Questions and Answers
What is the correct sequence of events in synaptic transmission?
What is the correct sequence of events in synaptic transmission?
- Neurotransmitter is released, action potential arrives at the presynaptic terminal, neurotransmitter binds to receptors on the postsynaptic membrane, action potential is generated in the postsynaptic neuron.
- Neurotransmitter binds to receptors on the postsynaptic membrane, action potential arrives at the presynaptic terminal, neurotransmitter is released, action potential is generated in the postsynaptic neuron.
- Action potential arrives at the presynaptic terminal, neurotransmitter is released, neurotransmitter binds to receptors on the postsynaptic membrane, action potential is generated in the postsynaptic neuron. (correct)
- Action potential is generated in the postsynaptic neuron, neurotransmitter is released, neurotransmitter binds to receptors on the postsynaptic membrane, action potential arrives at the presynaptic terminal.
Which of the following is NOT a function of the hypothalamus?
Which of the following is NOT a function of the hypothalamus?
- Control of appetite and thirst.
- Regulation of sleep-wake cycles.
- Production of hormones like growth hormone. (correct)
- Regulation of body temperature.
What is the primary function of the semi-lunar valves in the heart?
What is the primary function of the semi-lunar valves in the heart?
- To regulate the flow of blood from the atria to the ventricles.
- To prevent the backflow of blood from the ventricles to the atria.
- To regulate the flow of blood from the arteries to the ventricles.
- To prevent the backflow of blood from the ventricles to the arteries. (correct)
Which of the following is NOT a correct pairing of a hormone and its primary function?
Which of the following is NOT a correct pairing of a hormone and its primary function?
Which of the following is NOT a phase of the menstrual cycle?
Which of the following is NOT a phase of the menstrual cycle?
Which of the following is the correct sequence of events in the cardiac cycle?
Which of the following is the correct sequence of events in the cardiac cycle?
What is the function of the bile produced by the liver?
What is the function of the bile produced by the liver?
What is the function of the sarcomere?
What is the function of the sarcomere?
Flashcards
Neuro-muscular junction
Neuro-muscular junction
The synapse between a motor neuron and a muscle fiber, facilitating muscle contraction.
Physiology of hearing
Physiology of hearing
The process by which sound waves are converted into electrical signals in the brain.
Spermatogenesis
Spermatogenesis
The process of sperm cell development in the testes.
Composition of pancreatic juice
Composition of pancreatic juice
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Functions of hypothalamus
Functions of hypothalamus
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Mechanism of blood pressure regulation
Mechanism of blood pressure regulation
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Functions of WBCs
Functions of WBCs
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Action potential
Action potential
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Study Notes
Short Questions (5 Marks)
- Draw and describe the neuro-muscular junction and synapse.
- Describe the physiology of hearing.
- Explain spermatogenesis.
- Explain the composition and function of pancreatic juice.
- Describe the functions of the hypothalamus.
- Explain the mechanism of blood pressure regulation.
- Describe the composition and function of saliva.
- Discuss puberty.
- Explain the function of white blood cells (WBCs).
- Describe the functions of the stomach.
- Explain the conducting system of the heart.
- Explain the composition and function of saliva.
- Discuss mitochondria.
- Explain the uterine phases of the menstrual cycle.
- Define diabetes mellitus and explain the physiological actions of insulin.
- Explain the functions of the placenta.
- Note on sarcomere.
- Explain the Rh blood group system.
- Describe the structure and function of a neuron.
- Explain lung volumes and capacities.
Short Questions (2 Marks)
- Describe the nerve supply to the tongue.
- Write a note on the semi-lunar valves of the heart.
- Identify the movements of the thumb.
- Define action potential and resting membrane potential.
- Describe neuron structure.
- Describe pelvic floor muscle function.
- Describe different types of tissue.
- Explain the aorta and its branches.
- Discuss the functions of oxytocin.
- Explain the functions of growth hormone.
- Explain the mechanism of vision.
- Discuss the function of skin.
- Discuss the functions of the liver.
- Describe the properties and function of skeletal muscle.
Long Questions (10 Marks)
- Draw and label the deflection waves of a normal electrocardiogram (ECG). Explain the physiology of cardiac muscle contraction.
- Define the menstrual cycle, explain the phases of the cycle and list the signs of ovulation.
- Define synapse and classify them. Describe synaptic transmission.
- Describe the phases of the menstrual cycle and the hormonal control of the cycle.
- Discuss ABO and Rh blood grouping systems. Describe erythroblastosis fetalis.
- Enumerate the hormones secreted by the anterior pituitary gland. Discuss the actions of thyroid hormones on various metabolisms and hyperthyroidism.
- Describe structure and function of the thyroid gland.
- Describe the composition and function of gastric juice. Describe the ventricular events in the cardiac cycle.
- Describe neural regulation of respiration.
- Describe the blood coagulation process and clotting time.
- Define glomerular filtration rate (GFR) and factors affecting it.
- Define and classify immunity. Describe the role of B-lymphocytes in immunity.
- Describe the composition and function of blood and anaemia.
- Enumerate the functions of gastric juice and describe the gastric secretion phases.
- Describe the conductive system of the heart.
- Explain blood pressure, factors affecting it, and baroreceptor mechanism.
- Describe the transport of oxygen in detail. Discuss the oxygen-hemoglobin dissociation curve.
- Enumerate functions of the lungs and describe oxygen-hemoglobin dissociation.
- Describe the formation of urine.
- Describe the composition and function of pancreatic juice.
- Define cardiac output and factors regulating it.
- Explain hazards of blood transfusions.
- Define synapse and its various classes and properties. Describe the mechanism of synaptic transmission.
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