Pathology Mcqs - Set 1

1)   Which of the following is correct ?

a. Pyknosis – shrinkage of nucleus
b. Karyolysis – Dissolution of nucleus
c. Karyorrhexis – fragmentation of nucleus
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


2)   Which of the following statement is _____________?

a. Low density lipoproteins has maximum association with atherosclerosis
b. High density lipoproteins have protective role in atherosclerosis
c. Poly unsaturated fats lowers plasma cholesterol levels
d. HDL contains the highest cholesterol content
Answer  Explanation 

ANSWER: HDL contains the highest cholesterol content

Explanation:
No explanation is available for this question!


3)   Which of the following statements is true?

a. Arterial thrombi produces ischemia and infarction where as cardiac and venous thrombi cause embolism
b. Arterial thrombi to be white and non occlusive (mural) where as venous thrombi are red and occlusive
c. Venous thrombi are soft, red and gelatinous where as arterial thrombi are firm and white
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


4)   Which of the following is not an action of epinephrine when administered intravenously in a high dose ?

a. Increased liver glycogenolysis
b. Causes broachiolar constriction
c. Evokes extrasystoles in the heart
d. Produces restlessness and anxiety
Answer  Explanation 

ANSWER: Causes broachiolar constriction

Explanation:
No explanation is available for this question!


5)   The antidote for heparin is______________?

a. Penicillinase
b. Protamine sulphate
c. Pryosulphate
d. Potassium sulphate
Answer  Explanation 

ANSWER: Protamine sulphate

Explanation:
No explanation is available for this question!


6)   An excess of which of the following hormones may be associated with increased sensitivity to epinephrine ?

a. Testosterone
b. Parathyroid
c. Insulin
d. Thyroid
Answer  Explanation 

ANSWER: Thyroid

Explanation:
No explanation is available for this question!


7)   Pilocarpine_______________?

a. Lowers the intraocular pressure in glaucoma
b. Cleaved by acetylcholinesterase
c. Inhibits sweat and lacrimation
d. Causes tachycardia
Answer  Explanation 

ANSWER: Lowers the intraocular pressure in glaucoma

Explanation:
No explanation is available for this question!


8)   The drug which is used to treat laryngospasm is_______________?

a. Atropine
b. Diazepam
c. Neostigmine
d. Succinylcholine
Answer  Explanation 

ANSWER: Succinylcholine

Explanation:
No explanation is available for this question!


9)   The drug of choice in the management of life threatening allergic reaction is______________?

a. Corticosteroids
b. Antihistamines
c. Adrenalin
d. Diazepam
Answer  Explanation 

ANSWER: Adrenalin

Explanation:
No explanation is available for this question!


10)   The following drugs are avoided with warfarin ______________?

a. Antacids
b. Benzodiazepine
c. Nsaid’s like Ibuprofen
d. Codeine, dihydrocodeine, paracetmol
Answer  Explanation 

ANSWER: Nsaid’s like Ibuprofen

Explanation:
No explanation is available for this question!


11)   Beta 2 agonist causes_______________?

a. Mydriasis
b. Contraction of urinary spinctors
c. Vasoconstriction
d. Bronchial muscle relaxation
Answer  Explanation 

ANSWER: Bronchial muscle relaxation

Explanation:
No explanation is available for this question!


12)   The metabolic effects of sympathomimetics are mediated by__________________?

a. All beta-adrenergic receptors
b. Dopaminergic receptors
c. Beta 2 receptors
d. Opioid receptors
Answer  Explanation 

ANSWER: All beta-adrenergic receptors

Explanation:
No explanation is available for this question!


13)   Which of the following group of drugs are a neuromuscular blocking agents_______________?

a. choline, adrenaline and amphetamine
b. Glycinium neostigamine and physostigamine
c. Pancuronium, rocuronium
d. Pirenzipine, propanolol and propantheline
Answer  Explanation 

ANSWER: Pancuronium, rocuronium

Explanation:
No explanation is available for this question!


14)   All of the following drugs are non depolarizing neuromuscular blocking agents except_______________?

a. D-tubocurarine
b. Gallamine triethiodide
c. Pancuronium bromide
d. Succinylcholine
Answer  Explanation 

ANSWER: Succinylcholine

Explanation:
No explanation is available for this question!


15)   The intramuscular administration of 0.6 mg of atropine sulphate to a 50 – kg adult may produce all of the following effects except_____________?

a. Bradycardia
b. Decreased Salivation
c. Decreased Sweating
d. Mydriasis
Answer  Explanation 

ANSWER: Bradycardia

Explanation:
No explanation is available for this question!


16)   All of the following statements are true regarding cervicofacial actinomycosis, EXCEPT_____________?

a. 110-20% of actinomycosis cases occur in cervicofacial region
b. The discharging pus contains visible sulphur granules
c. Cultures on blood agar often produce a typical molar tooth morphology
d. There is usually history of trauma such as tooth extraction or a blow to the jaw
Answer  Explanation 

ANSWER: 110-20% of actinomycosis cases occur in cervicofacial region

Explanation:
No explanation is available for this question!


17)   Mural thrombi are thrombi in______________?

a. Heart chamber
b. Valve cusp
c. Vein
d. Arteries
Answer  Explanation 

ANSWER: Heart chamber

Explanation:
No explanation is available for this question!


18)   Heterozygous sickle cell anaemia gives protection against______________?

a. G6PD
b. Malaria
c. Thalassemia
d. Dengue fever
Answer  Explanation 

ANSWER: Malaria

Explanation:
No explanation is available for this question!


19)   The correct nomenclature for Down’s syndrome with translocation of chromosome 14 to chromosome 21 is depicted as______________?

a. 47 X &, (+2)
b. 47 X Y, -14 t(14;21)
c. 46 X Y, -14 t(14;21)
d. 47 X Y, t(14;21)
Answer  Explanation 

ANSWER: 47 X Y, t(14;21)

Explanation:
No explanation is available for this question!


20)   T-Helper cells (TH2) initiates which type of immunity_______________?

a. Induces cell mediated immunity
b. Induces Humoral immunity
c. Induces immunity by activation of cytoxic T-cells
d. None of the above
Answer  Explanation 

ANSWER: Induces Humoral immunity

Explanation:
No explanation is available for this question!