Anticholinergic Drugs
Atropine Dosage • Premedication (antisialagogue effect): intravenous (IV) or intramuscular (IM) 0.01 to 0.02 mg/kg up to the usual adult dose of 0.4 to 0.6 mg • Severe bradycardia: Larger…
Neuromuscular Blocking Agents
!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.1//EN” “http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd”> NEUROMUSCULAR BLOCKING AGENTS The Basics The neuromuscular junction: Motor neurons and muscle cells are separated by the synaptic cleft. Depolarization of the motor…
Intravenous Anesthetics
Ketamine Mechanism of action: Blocks postsynaptic reflexes in the spinal cord and inhibit excitatory neurotransmitters in selected areas of the brain. Dissociates thalamus from limbic system involved in awareness. NMDA…
Inhalation Anesthetics
Fa: Ventilation–perfusion mismatches are the primary cause for changes in Fa because they restrict normal flow and increase the alveolar–arterial difference (i.e., venous admixture, alveolar dead space). Elimination: The most…
Ophthalmic, Ear, Nose, and Throat Surgery
Ophthalmic, Ear, Nose, and Throat Surgery Thoha Pham 1. The most accurate statement regarding absorption of topically administered ophthalmic drugs is that they are absorbed A. Slower than subcutaneous absorption B. Faster that…
Pediatric Anesthesia
Pediatric Anesthesia Dipty Mangla and Ashish Sinha 1. Correct statement regarding neonatal physiology is A. Neonates have a greater volume of distribution for water-soluble drugs B. Total body water is higher in adults…
Thoracic Anesthesia
Thoracic Anesthesia Deppu Ushakumari and Ashish Sinha 1. Which of the following is not a characteristic feature of asthma? A. Chronic inflammatory changes in the submucosa of the airways B. Airway hyper responsiveness…
Obstetric Anesthesia
Obstetric Anesthesia Thoha Pham 1. Beyond midgestation, pregnant women are at increased risk of gastroesophageal reflux and aspiration of gastric contents for all these reasons, except A. Decreased competence of the lower…
Neuroanesthesia
Neuroanesthesia Dipty Mangla and Ashish Sinha 1. Total normal cerebral blood flow (CBF) is A. 25 mL/100 g/min B. 50 mL/100 g/min C. 100 mL/100 g/min D. 150 mL/100 g/min 2. The factor associated with maximum…
Cardiovascular Anesthesia
Cardiovascular Anesthesia Deppu Ushakumari and Ashish Sinha 1. Which of the following is responsible for the plateau phase of cardiac action potential? A. Slow movement of potassium out of the cell B. Slow…
