Podcast
Questions and Answers
What is the main function of nicotinic receptors at the neuromuscular junction?
What is the main function of nicotinic receptors at the neuromuscular junction?
- Slowing of heart rate
- Exocrine gland secretion
- Transmission of stimulation (correct)
- Smooth muscle contraction
Which subtype of muscarinic receptor is responsible for pupillary constriction in the eye?
Which subtype of muscarinic receptor is responsible for pupillary constriction in the eye?
- M4
- M3 (correct)
- M2
- M1
What is the main action of the METABOTROPIC M3 RECEPTOR?
What is the main action of the METABOTROPIC M3 RECEPTOR?
- Promotes contraction (correct)
- Increases heart rate
- Reduces cyclic AMP
- Facilitates calcium release from the endoplasmic reticulum
Which neurotransmitter binds to the B1Adrenoreceptor in the heart?
Which neurotransmitter binds to the B1Adrenoreceptor in the heart?
What is the function of alpha2 adrenergic receptors?
What is the function of alpha2 adrenergic receptors?
What is the role of DAG (diacylglycerol) in the cell?
What is the role of DAG (diacylglycerol) in the cell?
What is the effect of inhibiting ADENYLYL CYCLASE?
What is the effect of inhibiting ADENYLYL CYCLASE?
What is the primary function of beta2 adrenergic receptors?
What is the primary function of beta2 adrenergic receptors?
What initiates the conformational change in the alpha q type of METABOTROPIC M3 RECEPTOR?
What initiates the conformational change in the alpha q type of METABOTROPIC M3 RECEPTOR?
What is the primary effect of calcium on muscle cells?
What is the primary effect of calcium on muscle cells?
What is the function of nicotinic receptors at the adrenal medulla?
What is the function of nicotinic receptors at the adrenal medulla?
Which enzyme does the activated alpha i subunit inhibit?
Which enzyme does the activated alpha i subunit inhibit?
Which receptor, when activated by noradrenaline, causes dilation of the eye?
Which receptor, when activated by noradrenaline, causes dilation of the eye?
What is the effect of circulating adrenaline on B2 adrenoceptors in the skeletal vasculature bed?
What is the effect of circulating adrenaline on B2 adrenoceptors in the skeletal vasculature bed?
Which receptor activation causes relaxation of the GI tract?
Which receptor activation causes relaxation of the GI tract?
Which drug acts as a selective beta agonist on bronchiole smooth muscle to produce bronchodilation?
Which drug acts as a selective beta agonist on bronchiole smooth muscle to produce bronchodilation?
What is the primary use of mirabegron, which acts on beta3 adrenoceptors?
What is the primary use of mirabegron, which acts on beta3 adrenoceptors?
What is the primary purpose of antagonists on beta adrenoceptors?
What is the primary purpose of antagonists on beta adrenoceptors?
Which drug acts antagonistically on alpha 1 adrenoceptors on arterioles to produce vasodilation?
Which drug acts antagonistically on alpha 1 adrenoceptors on arterioles to produce vasodilation?
What is the effect of agonist action on alpha 1 adrenoceptors in the smooth muscle of the prostate and bladder?
What is the effect of agonist action on alpha 1 adrenoceptors in the smooth muscle of the prostate and bladder?
What are the side effects of non-selective beta blockers?
What are the side effects of non-selective beta blockers?
Which drugs are known as cardio-selective beta blockers?
Which drugs are known as cardio-selective beta blockers?
What can result from the abrupt withdrawal of beta blockers?
What can result from the abrupt withdrawal of beta blockers?
What is the primary use of tamsulosin, a competitive antagonist on alpha 1 adrenoceptors?
What is the primary use of tamsulosin, a competitive antagonist on alpha 1 adrenoceptors?
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