Description : Electromeric effect:
Last Answer : Electromeric effect: A. comes into play at the demand of attacking reagent B. involves ... D. involves the distortion of the electron cloud
Description : (A) Inductive and electromeric effects require polar nature in the molecule. (R) Polar nature in inductive effect is a must but not necessarily in ele
Last Answer : (A) Inductive and electromeric effects require polar nature in the molecule. (R) Polar nature in inductive ... (A) is incorrect but (R) is correct.
Description : Explain electromeric effect, resonance effect and hyperconjugation.
Last Answer : Ans: Electromeric effect is defined as the complete transfer of a shared pair of π-electrons to one of the atoms joined by a multiple bond on the demand of an attacking reagent. It ... with the attached unsaturated system or with the unshared p orbital. Hyperconjugation is a permanent effect.
Description : Phenol is acidic because of (a) Resonance (b) Electromeric effect (c) Inductive effect (d) Peroxide effect
Last Answer : Resonance
Description : Which of the following statements regarding TNFa are true? a. TNFa has a marked procoagulant effect b. Passive immunization of patients with neutralizing antibodies to TNFa improves survival from multi-organ ... expression d. The most potent known stimulus for TNFa production and release is IL-1
Last Answer : Answer: a, c TNFa has a marked procoagulant effect on endothelial cells, precipitating intravascular thrombosis. TNFa causes endothelial cells to release procoagulant activity (tissue factor), ... to produce TNFa, however the most potent stimulus for TNFa production and release is endotoxin
Description : Which of the following statements regarding angiogenesis are true? a. Angiogenesis is a seminal biologic event with clinical relevance limited to its effect upon tumor growth b. C-X-C ... c. PF-4 has angiogenic properties d. Sites of atherosclerosis demonstrate chronic angiogenic activity
Last Answer : Answer: b, d An important component of tissue repair and wound healing is the process of angiogenesis. This normal, physiologic process is a local, transient event which is ... between these factors may govern overall angiogenic potential in a variety of physiological and pathophysiological states
Description : All of the following statements regarding pentamidine isethionate are true except (a) it is indicated for treatment or prophylaxis of infection due to Pneumocystis carinii (b) it may be ... clinically significant effect on serum glucose (d) it is effective in the treatment of leishmaniasis
Last Answer : Ans: C
Description : Regarding morphine, all are true Except A. Respiratory depression ... effect B. Can be IV subcutaneously, rectally and epidurally C. Can cause nausea and vomiting D. Less effective against pain of myocardial ischemia
Last Answer : Ans: D
Description : All of the following statements are true regarding risk events except which one? Choose the least correct answer. A. Project risks are uncertain events. B. If risks occur, they can ... that have more perceived rewards to the organization than the consequences of the risk should be accepted.
Last Answer : C. Unknown risks are threats to the project objectives, and nothing can be done to plan for them.
Description : Which of the following principles or guidelines accurately informs the nurse regarding placebos? a) Placebos should never be used to test the person's truthfulness about pain. Perception of pain is highly ... placebo should never be interpreted as an indication that the person's pain is not real.
Last Answer : a) Placebos should never be used to test the person’s truthfulness about pain. Perception of pain is highly individualized.
Description : Kharasch effect regarding addition of HBr is not observed in:
Last Answer : Kharasch effect regarding addition of HBr is not observed in: A. hex-1-ene B. hex-2-ene C. hex-3-ene D. pent-1-ene
Description : If an addressee of a Regd letter on signing in delivery slip refuses to sign in acknowledgement a) The article should be returned undelivered b) An application to be obtained from the ... ) A remarks regarding refusal should be written on the acknowledgment and the article should be delivered
Last Answer : d) A remarks regarding refusal should be written on the acknowledgment and the article should be delivered
Description : Regarding interferon: a. it is a virus specific molecules b. it acts by neutralizing exotoxin c. it enhances the histocompatibility antigen on cell surface and thereby activate the T cells d. it exerts its effect by integrating itself with the DNA of virus infected cells
Last Answer : it enhances the histocompatibility antigen on cell surface and thereby activate the T cells
Description : regarding paracetamol toxicity: - Not toxic if dose exceed 150-180 mg - Cause vomiting and neuropathy - Therapeutic effect after 4 hours - Use Deferoxamine -the liver enzyme reach the max. Level 4-6 hours after ingestion
Last Answer : the liver enzyme reach the max. Level 4-6 hours after ingestion
Description : If a child is a back bencher and is unable to watch the black board clearly. As a result he stands, sees and sits repeatedly. What inference will you draw regarding the case? Options: A) The child is ... is under shining effect of light C) The child has defective-vision D) both (a) and (C)
Last Answer : D) both (a) and (C)