A drop of blood with methemoglobin appears what color in filter paper?

Solanine is a toxic substance present in

Which of the following symptoms is NOT a characteristic symptom of benzodiazepine overdose?

Aspirin believes to inhibit clotting by its action on which of the following endogenous subtances?

Haloperidol differs from chlorpromazine in that haloperidol:

What is the compound present in cuticle remover?

What is the color of the vomitus and stool of patient with boric acid toxicity?

Which of the following is NOT an industrial hazard?

Methylene blue is used in the treatment of ___________ poisoning.

What is the active ingredient of Racumin?

Which of the following patients in whom poisoning or drug overdose should be suspected?

An antileprosy drug that acts by causing sulfation of hemoglobin

The mechanism of action involved in the use of EDTA as an antidote for heavy metal poisoning:

Dermatological manifestation of ethanol intoxication

rotenone

isothiocyanate

curcin

manihotoxin

oleandrin

A 25-year-old medical student is given a prescription for asthma, which the physician states has a very high therapeutic index. Which of the statements best characterizes the drug as it relates to the therapeutic index?

Which of the following is an example of an immunologic drug reaction?

The following drugs are confirmed teratogens in humans:

The following are appropriate in the first-line management of acute severe asthma in a 5-year old child

Many toxins must be biotransformed into a more _________ form before they can be excreted from the body

Removal of toxins before entrance into the systemic circulation is known as

Which of the following is an important mechanism of removing particulate matter from the alveoli?

The drug which is used to reduce appetite and fatigue, is commonly used as aphrodisiac. Addicts used it as a snuff and feel as if insects are creeping on the skin

The salt concentration of seawater is about

In freshwater drowning there is:

Which of the following is NOT commonly associated with methyl mercury vapor poisoning?

. A 66-year-old man dies suddenly and unexpectedly. He is found in his home by a neighbor after the man was not seen for over a day. Police find no evidence of foul play. At autopsy, there are no signs of physical injury. The skin of his hands displays cherry red lividity. Which of the following toxins is most likely to be found in this man?

For the management of intraoperative myocardial ischemia, which of the following is not advised?

Which of the following is the most common presenting symptom of noncirrhotic portal hypertension?

A 2-year-old boy was treated with paracetamol for fever, but after three days the child developed acute renal failure, marked acidosis and and encephalopathy. On urine examination, oxalate crystals are seen. The blood anion gap and osmolal gap has increased value? What is the most probable cause?

fruit-like

burnt rope

rotten egg

shoe polish

vinyl shower curtain

Sorbitol and other sugar alcohols have been associated with:

Chloracne is associated with:

Which of the following is the most significant contributor to air pollution by mass in suburban areas?

The grayanotoxins found in many species of Rhododendron produce effects similar to:

What are the most commonly associated dose-related side effects of carbamazepine?

Which of the following is NOT a sign of alcohol withdrawal?

Which of the following drugs is associated with the “gray-baby syndrome” infants?

A patient is experiencing signs of acute chlordiazepoxide (“Librium”) toxicity after having consumed approximately 15 doses in suicide attempt. An appropriate agent to administer is:

The use of olsalazine is contraindicated in patients with a history of hypersensitivity to:

Paraquat and diquat differ substantially in their

Toxic injury to the cell body, axon and surrounding Schwann cells of peripheral nerves are referred to, respectively, as

Which one of the following is least likely to develop paracetamol-induced hepatotoxicity following overdose?

The mainstay of treatment for a patient suffering from symptomatic dengue infection is:

Which of the following may cause cancer of the urinary bladder?

All of the following are caused by sulfur dioxide EXCEPT:

Extensive pleural thickening and calcification especially involving the diaphragmatic pleura are classical features of:

A 5-year-old male with no previous medical history is brought to the ER by his mother because he accidentally ingested a large dose of rat poison. He is conscious but appears quite agitated. On physical exam, he is found to have a blood pressure of 110/70 and a heart rate of 90. Labs are significant for an elevated PT but a normal PTT. The patient should be immediately treated with:

The preferred treatment for chronic lead poisoning is

A factor which significantly contributes to the toxic risk of DDT-like pesticides is

Which one of the following inhibitor-enzyme combinations is NOT an example of competitive reversible inhibition?

Which of the following physical findings/lab values is indicative of dehydration?

Which of the following adverse events is NOT associated with chloramphenicol ear drops?

Lead toxicity is largely due to its ability to mimic and interfere with normal functioning of which of the following ions?

Local anesthetics interfere with the movement of which ion as a fundamental basis for their action?

Which of the following is NOT an agricultural poison?

This thiazine dye is used in the treatment of methemoglobinemia:

The chelator of choice in symptomatic iron poisoning

Continuous monitoring in the ED patient should routinely include

Effects expected as a result of inhaling the smoke of cannabis include:

I. vascular congestion of the eye II. perceptual changes III. decreased pulse rate

The thiazide diuretics decrease the excretion of:

it produces GI bleeding from gastritis, ulcers, hepatitis and cirrhosis

topical exposure to the skin may produce a deep white patch that turns red, then stains the skin brown

it is widely used to treat psychosis and agitated depression

they alter platelet function and may prolong prothrombin time

it causes precipitation of proteins and will cause coagulation necrosis of exposed tissue

it has been used as an antiseptic and fungistatic in talcum powder

it relaxes veins at lower doses and arteries at higher doses

it is a widely used drug found in many OTC and prescription analgesics and cold remedies

these are potent oxidizing agents

it binds to sodium channels in nerve fibers, blocking the sodium current responsible for nerve conduction

Evidence gathered from the result of autopsy

It is also known as wood spirit.

Contraindicated in heart failure because a strong negative inotrope

Which of the following drugs cause constipation?

In the management of uterine haemorrhage the following are used:

Which one of the following is most appropriate as a primary covering over a small area (2 in. X 2 in.) in a second-degree burn?

When a patient is allergic to penicillin, he may develop cross-hypersensitivity reactions when he uses which one of the following drugs?

All of the following agents are pesticides EXCEPT:

The organophosphates commonly found in insecticides are thought to act by which of the following mechanisms?

Which category of drugs administered to the mother is usually contraindicated during breastfeeding?

honeybee

dart frog

puffer fish

coral snake

blue-ringed octopus

In patient with benzodiazepine poisoning, which of the following is an indication for flumazenil use?

The quantity of medicine that can kill an organism.

When reporting cases of poisoning like eating in public restaurant, the cases should be reported to the

A 9-year-old girl is brought to the emergency department by her aunt. On physical examination there are multiple contusions of varying ages on the head, torso, arms, and thighs. A chest radiograph reveals a healing 6th rib fracture on the left. Her weight is slightly under that expected for age. The child appears listless. Which of the following conditions is the most likely diagnosis?

A 4-year-old previously healthy child ingests a 100 ml bottle containing a clear liquid he found under the kitchen sink at home. The child is observed to develop central nervous system depression over the next 6 hours. Acidosis is documented on admission to the hospital. Three weeks later, it is noted that the child's visual acuity is markedly decreased. Which of the following chemical substances was most likely present in the liquid ingested by this child?