Description : The effects of topically applied anticholinesterase on the eye include: a. conjunctival hyperaemia b. raised intraocular pressure c. ciliary muscle contraction d. sphincter pupillae muscle relaxation e. retraction of the upper lids
Last Answer : ciliary muscle contraction
Description : Atropine is contraindicated in: A. Pulmonary embolism B. Digitalis toxicity C. Iridocyclitis D. Raised intraocular tension
Last Answer : D. Raised intraocular tension
Description : In pregnancy: a. the lysozyme in the tear film is increased b. the intraocular pressure is lower than pre-pregnancy state c. accommodation is decreased d. all above
Last Answer : all above
Description : Which of the following terms refers to the decrease in lens flexibility that occurs with age, resulting in the near point of focus getting farther away? a) Presbyopia Presbyopia usually begins in ... lens of the eye. d) Glaucoma Glaucoma is a disease characterized by increased intraocular pressure.
Last Answer : a) Presbyopia Presbyopia usually begins in the fifth decade of life, when reading glasses are required to magnify objects.
Description : A pressure head is subject to the following errors: a. Position, manoeuvre induced, temperature b. Position, manoeuvre induced c. Position, manoeuvre induced, density d. Position, manoeuvre induced, instrument
Last Answer : d. Position, manoeuvre induced, instrument
Description : When digoxin is used in a patient with congestive heart failure (CHF), it works by exerting a positive effect on (a) Stroke volume (b) Total peripheral resistance (c) Heart rate (d) Blood pressure (e) Venous return
Last Answer : Ans: A
Description : Relationship between arterial blood pressure (BP), cardiac outpur (CO) and peripheral vascular resistance (PVR) can be described as (a) BP = COxPVR (b) BP = CO/PVR (c) BP = PVR/CO (d) None of the above
Description : Growth hormone causes hyperglycemia. It is a result of (A) Decreased peripheral utilization of glucose (B) Decreased hepatic production via gluconeogenesis (C) Increased glycolysis in muscle (D) Decrersed lipolysis
Last Answer : Answer : A
Description : What to do during irregular hand shake manoeuvre?
Last Answer : answer:I've learned in business etiquette that shaking the right is most common. However, you shake whichever someone presents first. You could have put him in an awkward situation if he was concealing ... . If someone gives you their left, do not deny them just because you want the right!
Description : The traffic manoeuvre means (A) Diverging (B) Merging (C) Crossing (D) All the above
Last Answer : Answer: Option D
Description : A male patient 30 years old with visual acuity of 6/6 in both eyes. Twelve hours ago he presented with drop of vision of the left eye. On examination, visual acuity was 6/6 in the ... : a. Raised intra cranial pressure b. Raised ocular tension c. Central retinal artery occlusion d. Optic neuritis
Last Answer : ANSWER: D
Description : A 60-year-old woman has glaucoma following cataract surgery. Which of the following can be used to reduce intraocular pressure? (a) Leukotriene LTD4 or its analogs (b) Prostaglandin E2 or its analogs ( ... analogs (d) Slow-reacting substance of anaplylaxis (SRS-A) (e) Thromboxane A2 or its analogs
Last Answer : Ans: C
Description : Succinylcholine can produce all except A) Induce malignant hyperthermia in susceptible patients B) Prolonged paralysis occurs in case of butyrylcholinesterase abnormalities (as succinylcholine is not metabolized) C) Tachycardia, particularly in children D) Increase intraocular pressure
Description : Bradycardiac can occur in response to: a. elevated intraocular pressure b. ocular massage c. pulling of the extraocular muscle d. all above
Description : The intraocular pressure: a. shows a higher diurnal variation in glaucoma patients b. is highest in the morning c. gives a falsely higher reading in patients with thick cornea d. all
Last Answer : all
Description : The intraocular pressure can fluctuate: a. seasonally b. diurnally c. with eye movements d. all above
Description : Choose the correct statement about osmotic diuretics: A. They are large molecular weight substances which form colloidal solution B. Their primary site of action is collecting ducts in the ... C. They increase water excretion without increasing salt excretion D. They can lower intraocular pressure
Last Answer : D. They can lower intraocular pressure
Description : The following is an α2 adrenergic agonist used as eyedrops to lower intraocular pressure: A. Brinzolamide B. Bambuterol C. Brimonidine D. Latanoprost
Last Answer : C. Brimonidine
Description : The following is an α 2 adrenergic agonist used as eyedrops to lower intraocular pressure: A. Brinzolamide B. Bambuterol C. Brimonidine D. Latanoprost
Description : Beta adrenergic blockers lower intraocular tension by: A. Down regulating adenylyl cyclase in ciliary body through reduced activation of β2 adrenoceptors B. Constricting ciliary blood vessels ... action on trabecular meshwork D. Reducing aqueous formation unrelated to beta adrenoceptor mediation
Last Answer : A. Down regulating adenylyl cyclase in ciliary body through reduced activation of β2 adrenoceptors
Description : The pulmonary ventilation frequency (number of inhalations per time unit) rises or lowers the carbon dioxide concentration in blood. If it is intense the gas is more eliminated to the exterior and if it ... carbon dioxide and also of more hydrogen ions spending and the pH of the solution is raised.
Last Answer : What are acidosis and alkalosis?
Description : The most likely mechanism of antihypertensive action of thiazide diuretics in the long-term is: A. Reduction of circulating blood volume B. Reduction in cardiac output C. Decreased sympathetic tone D. Reduction in total peripheral vascular resistance and improved compliance of resistance vessels
Last Answer : D. Reduction in total peripheral vascular resistance and improved compliance of resistance vessels
Description : Dobutamine differs from dopamine in that (a) It does not activate peripheral dopaminergic receptors (b) It does not activate adrenergic ß receptors (c) It causes pronounced tachycardia (d) It has good blood-brain barrier penetrability
Description : Dobutamine differs from dopamine in that: A. It does not activate peripheral dopaminergic receptors B. It does not activate adrenergic β receptors C. It causes pronounced tachycardia D. It has good blood-brain barrier penetrability
Last Answer : A. It does not activate peripheral dopaminergic receptors
Description : What happens to the funds a politician raised when they drop out of a race?
Last Answer : I’ll limit this answer to the funds the politician’s own campaign raises, not Political Action Committees (PAC) associated with candidates, since that part gets pretty messy. Also, it should be noted that it’s ... it per election to another candidate (or $5,000 to a PAC), or save it for
Description : The method of alighting the aeroplane on water during a ditching is to: a. Carry out a normal approach with flaps and gear selected as normal but to calculate all speeds plus 10kts b. Reduce ... d. Fly a normal approach to stalling speed and then drop the aeroplane vertically onto the water
Last Answer : c. Fly a normal approach but keep the gear up and land at lowest possible speed with the nose raised for the tail to strike first
Description : Chronic Bronchitis is characterized by I. the distruction of central and peripheral portions of the acinus II. an increased number of mucous glands and goblet cells III. edema and inflammation of the bronchioles (a) only ... II are correct (d) II and III are correct (e) I, II and III are correct
Description : The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis ... exchange independently from the circulation) are generally slower and have a low metabolic rate.
Last Answer : What is the difference between octopuses and mussels regarding their circulatory systems?
Description : The chemoreceptors that participate in the ventilation control are structures that collect information about the acidity and alkalinity of the blood. The information is then transmitted by nervous ... by receptors that receive pH information from the cerebrospinal fluid.) The Circulatory System
Last Answer : What is circulation?
Description : The antihypertensive action of calcium channel blockers is characterized by the following except: A. Delayed onset; blood pressure starts falling after 1–2 weeks therapy B. Lack of central side effects C. No compromise of male sexual function D. Safety in peripheral vascular diseases
Last Answer : A. Delayed onset; blood pressure starts falling after 1–2 weeks therapy
Description : For absorbers, high pressure drop results in (A) Increased efficiency (B) Decreased efficiency (C) High operating cost (D) Better gas liquid contact
Last Answer : (C) High operating cost
Description : Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? (A) Tube side pressure drop and the heat transfer rate (B) Convective heat transfer co-efficient (C) Effective tube surface area for convective heat transfer (D) All (A) (B) and (C)
Last Answer : (D) All (A) (B) and (C)
Description : During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as (A) It is very corrosive at elevated temperature (B) Its viscosity is not reduced on ... be further reduced) (C) It decomposes on further increasing the temperature (D) None of these
Last Answer : (B) Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)
Description : The heating of conductors as a result of resistance in a distribution circuit causes a power loss expressed as _____________. A. line droop B. line loss C. IR drop D. hysteresis
Last Answer : Answer: B
Description : Which of the following terms refers to the absence of the natural lens? a) Aphakia When a cataract is extracted, and an intraocular lens implant is not used, the patient demonstrates aphakia. b) ... deformity of the cornea. d) Hyphema Hyphema refers to blood in the anterior chamber of the eye.
Last Answer : a) Aphakia When a cataract is extracted, and an intraocular lens implant is not used, the patient demonstrates aphakia.
Description : Apraclonidine is a clonidine congener which is used: A. To suppress opioid withdrawal syndrome B. To suppress menopausal syndrome C. As Analgesic D. To reduce intraocular tension
Last Answer : D. To reduce intraocular tension
Description : Pilocarpine reduces intraocular tension in open angle glaucoma by: A. Contracting sphincter pupillae B. Increasing tone of ciliary muscle C. Reducing aqueous formation D. Enhancing uveo-scleral outflow
Last Answer : B. Increasing tone of ciliary muscle
Description : The most common primary intraocular malignancy in adults is: a. Retinoblastoma b. Choroidal melanoma c. Squamous cell carcinoma of conjunctiva d. Iris nevus
Last Answer : ANSWER: B
Description : Best site where intraocular lens is fitted: a. Capsular ligament b. Endosulcus c. Ciliary supported d. Capsular bag
Description : Earliest visual rehabilitation occurs with: a. Phacoemulsification plus intraocular lens implantation b. Intracapsular cataract extraction plus intraocular lens implantation c. Extracapsular cataract extraction plus intraocular lens implantation d. Small incision cataract extraction
Last Answer : ANSWER: A
Description : Unilateral aphakia is likely to be corrected by any of the following except: a. Anterior chamber intraocular lens b. Posterior chamber intraocular lens c. Contact tens d. Glasses
Description : Increased intracranial pressure causes: a. sixth nerve palsy b. cupping of the optic disc c. absent venous pulsation d. increased cerebral blood flow
Last Answer : absent venous pulsation
Description : All the following statements about obstructive jaundice are true except (A) Prothrombin time may be prolonged due to impaired absorption of vitamin K (B) Serum alkaline phosphatase may be raised ... systemic circulation due to biliary obstruction (D) There is no defect in conjugation of bilirubin
Last Answer : Answer : B