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50 Cards in this Set
- Front
- Back
Epinephrine is?
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Secreted from the adrenal medulla
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Of drugs or activities used to combat hypertension, which is Poorest choice?
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Ca++ channel antagonist
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Diuretics may have all effects Except?
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Increase the amount of Na+ reabsorbed from the urine
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In hypertensive dental patients, all statements are correct Except?
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Administration of opiods for analgesia may increase their BP
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Class I anti-arrhythmic drugs?
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Block Na+ Channels
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All pairs of agents and actions and receptors occur or interact physiologically in normal individuals Except?
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Epinephrine-dopamine receptors
Epinephrine tends to bind to Beta-2 receptors and dilate smooth muscle. |
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All may be useful in tx of CHF Except?
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K+ restriction
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Digoxin exerts its therapeutic effect by inhibiting
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Heat Na+ K+ ATPase
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CHF px on digoxin exhibit all of the following Except?
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They survive longer than px NOT on digoxin
(Avoid Digoxin if you can because it is not a Safe drug) |
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What condition responds to organic nitrates like nitroglycerin?
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Angina Pectoris
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In a dental px with angina, all are correct except?
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The incidence of thrush is increased
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Ipratropium (ATROVENT)
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Inhibits muscarinic cholinergic receptors
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Which property is the major difference between older antihistamines like diphenylhydramine (Benadryl) and the newer antihistamines like laratidine (Claritin)
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Newer are less sedating
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Cromolyn sodium (nasalcrom)?
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Stabilizes mast cells to prevent release of histamine and other inflammatory mediators
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Niacin at high doses can be used as antihyperlipidemic agent because it?
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Inhibits lipolysis in adipose tissue
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With dental px who have airway disease, the practitioner should expect all Except?
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Increased sensitivity to local anesthetics with or withour epinephrine
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All are correct statements about px on ACE inhibitors Except?
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Lower than normal dose should be prescribed if px has hepatic impairment
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Ion channels have all properties Except?
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They use ATP to provide energy for ion movement
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Of following analgesics, which is best for perioperative analgesia in px with CKD?
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Fentanyl
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Losartan or Ibesartan administration reduces blood pressure by blocking or inhibiting?
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Angiotensin II receptors
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Primary tx for CKD is administration of?
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Angiotensin receptor antagonist
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Physiologically, in human, which of the following is Incorrect?
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Norepinephrine predominantly inhibits B2-adrenergic receptors in the heart
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All are pairings of drugs with adverse/physiologic effect are correct Except?
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Beta-blockers --tachycardia
Beta-Blockers are used to treat tachycardia |
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Which drug combo is recommended in most px for initial hypertension treatment?
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A diuretic and Beta-blocker
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Diuretics are used to tx CHF because?
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Decrease plasma volume
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Statins such as mevacor and lipitor are antihyperlipidemic agents because they directly inhibit?
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Cholesterol synthesis
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Which agent is the preferred tx for acute asthmatic attack?
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Inhalation of albuterol
(**Check on this**) |
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Which statement about diuretics is Incorrect?
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Diuretic increase blood volume
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All conditions are significant risk factors for development of CKD Except?
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Low dietary protein consumption
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ACE inhibitors have all indicated adverse effects except?
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Hypokalemia
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Angiotensin receptor antagonist have all indicated adverse effects Except?
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Hypokalemia
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Px on which of the following classes of agents or with indicated conditions do Not have increased risk of orthostatic hypotension?
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Statins
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Group II anti-arrythmic drugs?
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Block Beta-adrenergic receptors
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Which of the following statements concerning CKD is Not correct?
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General anesthetics but not local anesthetics are safe to use
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Which statements about Ca++ channel blockers is Not correct?
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Relax small veins but constrict larger veins
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Corticosteroids when used for routine tx of chronic asthma, are best administered by which route?
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Inhalation
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All are clinical symptoms of CHF Except?
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Increased urinary output
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Which is a Beta-adrenergic antagonist used in tx for CHF?
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Propranolol
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Which effect would be observed if binding of angiotensin II to the AT1 receptor were inhibited?
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Decreased vasoconstriction
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All are correct statements regarding isoproterenol Except?
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It binds with high affinity to alpha-adrenergic receptors
Isoproterenol is a Beta Agonist It can be used in acute cases to speed the heart up |
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Digoxin is used to tx CHF. Which statement about Digoxin is Correct?
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It directly inhibits Ca++ efflux by the muscle Na+ Ca++ antiporter
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Cholestramine (Questrin) is used as antihyperlipidemic agent because?
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Inhibits cholesterol uptake by intestine
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Of the following drugs, which would be drug of choice for tachycardia?
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Propanolol
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All of the cations are important in generating currents Except?
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Cl-
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Which of the following receptors is important for sensing short term changes in blood pressure?
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Baroreceptors
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Which tissue is responsible for pacemaker potentials that control contraction of the heart?
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Sinoatrial node
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Class II anti-arrhythmic have all properties Except?
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Are Na+ channel antagonists
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Leukotriene receptor antagonists and antihistamines are both used as tx for allergen-induced asthma. These are best used to?
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Prophylactically to prevent allergen mediated responses
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Pseudoephedrine and oxymetazoline are marketed as nasal decongestants. They are alpha-adrenergic agonists. Which effect is more likely after oral administration than intranasal administration?
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Increased blood pressure
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Minoxidil is used to treat?
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Hypertension
Minoxidil is an arteriole vasodilator |