Explore topic-wise MCQs in Medical Subjects .

This section includes 491 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.

201.

Posterior pituitary insufficiency leads to______________?

A. Diabetes mellitus
B. Diabetes insipidus
C. Dwarfism
D. Cretinism
Answer» C. Dwarfism
202.

Plasma thromboplastin antecedent is______________?

A. Anti-hemophiliac – A factor
B. Anti-hemophiliac – B factor
C. Anti-hemophiliac – C factor
D. Anti-hemophiliac – F factor
Answer» D. Anti-hemophiliac – F factor
203.

Plasma colloid osmotic pressure is due to________________?

A. Albumin
B. Globulin
C. Fibrinogen
D. Collagen
Answer» B. Globulin
204.

Plasma factor present in both serum & plasma is____________?

A. V
B. VII
C. II
D. Fibrinogen
Answer» C. II
205.

Plasma ceruloplasmin alpha 2 globulins is a______________?

A. alpha 1 globulin
B. alpha 2 globulin
C. beta 1 globulin
D. beta 2 globulin
Answer» C. beta 1 globulin
206.

Plasma cells are constituent of_____________________?

A. Nervous tissue
B. Muscular tissue
C. Epithelial tissue
D. Connective tissue
Answer» E.
207.

Pharyngeal phase of deglutition_____________?

A. Is a reflex mechanism
B. Vocal cords are closed
C. Is a voluntary mechanism
D. A and B
Answer» E.
208.

Phagocytosis in the CNS is done by _______________?

A. Astrocytes
B. Schwann cells
C. Microglia
D. Oligocytes
Answer» D. Oligocytes
209.

Persons having anti- A and anti- B is agglutinins in their serum belong to which blood group_____________?

A. A
B. B
C. AB
D. O
Answer» E.
210.

Peristalsis involves coordinated contraction and relaxation______________?

A. Above and below the food bolus
B. Lateral and medial to food bolus
C. Dorsal and ventral to food bolus
D. None of the above
Answer» B. Lateral and medial to food bolus
211.

Peristalsis in the gut is due to ______________?

A. Preperistalitic intestinal secretion
B. Mecharical distension
C. Simultaneous action of circular and longitudinal muscles
D. Extrinsic nervous influence
Answer» C. Simultaneous action of circular and longitudinal muscles
212.

Peripheral resistance is maximum in_______________?

A. Aorta
B. Artery
C. Arteriole
D. Vein
Answer» D. Vein
213.

Pepsinogen is activated by ___________________ ?

A. Enterokinase
B. Low pH
C. Trypsin
D. Chymotrypsin
Answer» C. Trypsin
214.

Patient with anemia tends to have all, except________________?

A. Compensatory increase in cardiac output
B. Increased incidence of heart murmurs
C. Pallor of mucous membranes
D. A low PO2 in arterial blood
Answer» E.
215.

Parietal cells of gastric mucosa secrete ______________ ?

A. Hcl
B. Gastrin
C. Mucin
D. All of the above
Answer» B. Gastrin
216.

Parasympathetic stimulation of heart causes______________?

A. SA node decreases firing
B. Increased AV node excitability
C. Decreased ventricular contraction
D. Tachycardia
Answer» B. Increased AV node excitability
217.

Paneth cells secrete which of the following ?

A. Antibacterial substance
B. Lipase
C. Maltase
D. Secretin
Answer» B. Lipase
218.

Pancreas produce_____________?

A. Pepsinogen
B. Chymotrypsinogen
C. Hydrochloric acid
D. All of the above
Answer» C. Hydrochloric acid
219.

Pancreatic juice rich in water and electrolytes but poor in enzymes is secreted in response to ______________?

A. Pancreatozymine
B. Cholecystokinin
C. Secretin
D. Proteins
Answer» C. Secretin
220.

Pain sensation from the lateral extremities is transmitted by________________?

A. Spino thalmamic tract
B. Dorsal column
C. Corticospinal tract
D. Spinocerebellar tract
Answer» B. Dorsal column
221.

Pain producing substance is________________?

A. Serotonin
B. Substance P
C. Histamine
D. Acetyl choline
Answer» C. Histamine
222.

Pain is conducted by________________?

A. A-alpha fibers
B. A-beta fibers
C. A-gamma fibers
D. A-delta fibers
Answer» E.
223.

Pain is conducted by_______________?

A. A-alpha fibers
B. A-beta fibers
C. A-gamma fibers
D. A-delta fibers
Answer» E.
224.

Pacinian corpuscles are major receptor for______________?

A. Pressure
B. Pain
C. Touch
D. Temperature
Answer» B. Pain
225.

Oxytocin causes all accept_______________?

A. Lactogenesis
B. Milk ejection
C. Contraction of uterine muscle
D. Myoepithelial cell contraction
Answer» B. Milk ejection
226.

Oxygen dissociation curve shifts to the right by all of the following except_____________?

A. Rise in temperature
B. Rise in carbon dioxide tension
C. Rise in pH
D. Rise in H+ ion
Answer» D. Rise in H+ ion
227.

Oxygen dissociation cure is shifted to the right in all except_____________?

A. Fall in pH
B. Rise in temperature
C. Increase of 2, 3 3 DPG
D. HbF
Answer» E.
228.

Oxygen as an emergency drug is contraindicated in______________?

A. Anaphylaxis
B. Asthma
C. Hyperventilation
D. COPD
Answer» D. COPD
229.

Oxygen affinity is increased by all except_________________?

A. Alkalosis
B. Hypoxia
C. Increased HbF
D. Hypothermia
Answer» C. Increased HbF
230.

Oxygen affinity decreases in_________________?

A. Hypoxia
B. Hypothermia
C. HbF
D. Increased pH
Answer» B. Hypothermia
231.

Ovulation is associated with sudden rise in______________?

A. Prolactin
B. Testosterone
C. L.H
D. Oxytocin
Answer» D. Oxytocin
232.

Osteoclasts are inhibited / modified and regulated by____________?

A. Parathyroid hormone
B. Calcitonin
C. 1,25 dihydroxycholecalciferols
D. Tumor necrosis factor
Answer» C. 1,25 dihydroxycholecalciferols
233.

Open faced nucleus in a cell signifies______________?

A. That the cell is resting
B. that the cell is active
C. nothing
D. that the cell is in transition phase
Answer» C. nothing
234.

Of the following is a reflex mediated by vagus ?

A. Bile flow from liver
B. Pancreatic secretion of bicarbonate
C. Cephalic phase of gastric secretion
D. Mucous secretion from the Brunner’s glands
Answer» D. Mucous secretion from the Brunner’s glands
235.

Nutrients are mainly absorbed in______________?

A. Small intestine
B. Large intestine
C. Liver
D. Stomach
Answer» B. Large intestine
236.

Not true about T3 and T4 is______________?

A. T3 more potent than T4
B. T4 binds to prealbumin
C. Absorption of T4 is more than T3
D. Concentration of T4 is more than T3
Answer» C. Absorption of T4 is more than T3
237.

Not a glycoprotein_______________?

A. FSH
B. LH
C. TSH
D. GH
Answer» E.
238.

Normally, the rate of the heart beat in a human is determined by _________________?

A. The bundle of His
B. All cardiac muscle
C. The sinoatrial node
D. The cervical ganglion
Answer» D. The cervical ganglion
239.

Normal prothrombin time is____________?

A. 5-7 sec
B. 10-20 sec
C. 30 sec
D. 1 min
Answer» C. 30 sec
240.

Normal myeloid / erythroid ratio is______________?

A. 1:1000
B. 1:5000
C. 1:100
D. 1:50
Answer» B. 1:5000
241.

Normal intrapleural pressure during the start of inspiration is _________ mm of Hg?

A. -2
B. -5
C. 0
D. -7
Answer» B. -5
242.

Normal adult person’s blood contains_____________?

A. 40% neutrophils
B. 30% lymphocytes
C. 20% eosinophils
D. 10% basophils
Answer» C. 20% eosinophils
243.

Noradrenaline is differentiated from adrenaline by increasing___________?

A. Heart rate
B. Cardiac output
C. Peripheral resistance
D. All of the above
Answer» D. All of the above
244.

Non true regarding Na/K pump is______________?

A. Pumps Na against a gradient
B. 5 Na+ exchanged for 2K+
C. Increase in intracellular Na
D. Hypocalcemia inhibits the pump
Answer» C. Increase in intracellular Na
245.

Non- respiratory function of the lung is_________________?

A. Dopamine metabolism
B. Adrenaline metabolism
C. Serotonin metabolism
D. PGE2 production
Answer» D. PGE2 production
246.

Neurotransmitter in nigrostrial pathway is_______________?

A. Dopamine
B. GABA
C. Acetyl choline
D. Nor epinephrine
Answer» B. GABA
247.

Negative BMR is observed with______________?

A. Pituitary disturbance
B. Thyroid disturbance
C. Parathyroid
D. All of the above
Answer» C. Parathyroid
248.

Muscle of expiration____________?

A. Diaphragm
B. Internal intercostals
C. External intercostals
D. Rcti Abdominis
Answer» C. External intercostals
249.

Most potent stimulus for secretin is______________?

A. Dilattion of intestine
B. Acid chyme
C. Protein
D. Fat
Answer» C. Protein
250.

Most of the sodium is reabsorbed in_____________?

A. PCT
B. DCT
C. Loop of henle
D. Vasa recta
Answer» B. DCT