medical MCQs – Page 362

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

7221. Decreased MCHC is found in_____________?
0

A. Vit B12 deficiency

B. Megaloblastic anemia

C. Microcytic hypochromic anemia

D. Sideroblastic anemia

7222. Centre of activity of autonomic nervous system is_________________?
0

A. Cerebrum

B. Hypothalamus

C. Midbrain

D. Pons

7223. Secondary granules of neutrophils contain______________?
0

A. Lactoferrin

B. Myeloperoxidase

C. Nucleosidase

D. Catalase

7224. Inulin clearance closely resembles_____________?
0

A. Creatinine clearance

B. P.A.H. clearance

C. G.F.R

D. Renal plasma flow

7225. Small packets of acetylcholine released randomly from the nerve cell membrane at rest Produces_______________?
0

A. Inhibitory post synaptic potential

B. Action potential

C. End plate potential

D. Miniature end plate potential

7226. Copious flow of watery saliva is secreted in response to _____________?
0

A. CNS stimulation

B. sensory stimulation

C. Sympathetic stimulation

D. Parasympathetic stimulation

7227. The skeletal muscle action potential______________?
0

A. Begins with an, in ward movement of K+ ins

B. Spreads in ward to all parts of the muscle via the t- tubule system

C. Is not essential for contraction to occur

D. Has a prolonged plateau phase?

7228. The processing of short-term memory to long term memory is done in_______________?
0

A. Neocortex

B. Prefrontal cortex

C. Hippocampus

D. Amygdala

7229. Blood supply to the brain during moderate exercise________________?
0

A. Remains constant

B. decreases

C. Increases

D. Increases then decreases

7230. Diuresis is caused by______________?
0

A. Urea

B. Mannitol

C. Glycerol

D. All of the above

7231. Which of the following is important in renal excretion of hydrogen ion ?
0

A. Trapping H+ by acetate

B. Combining H+ and HCO3- via enzyme carbonic anhydrase

C. Trapping H+ by NH3+

D. Combining H+ with Cl- to form Hcl

7232. Electromyography is used for________________?
0

A. To study muscle activity

B. Determine the centric occlusion

C. Determine class II malocclusion

D. Determine the centric relation

7233. The most common problem with blood trans fusion_______________?
0

A. Hypokalemia

B. Metabolic acidosis

C. Hemolytic reaction

D. Remission of disease

7234. Serum is blood plasma without_____________?
0

A. Fibrinogen

B. Plasma colloids

C. Lymphocytes

D. Blood cells

7235. Skeletal muscles_____________?
0

A. Contraction is initiated by calcium binding to troponin

B. Contracts when actin and myosin filaments shorten

C. Contracts when calcium is taken up by sarcoplasmic reticulum

D. Contraction is initiated by calcium binding to tropomyosin

7236. The tissue macrophages are derived from the________________?
0

A. Neutrophil

B. Eosinophil

C. Monocyte

D. All of the above

7237. Which of the following represents most dangerous situation_____________?
0

A. Rh+ ve mother, bearing her 1st Rh ve child

B. Rh+ ve mother, bearing her 2nd + ve child

C. Rh+ ve mother, who is bearing 2nd Rh+ ve child

D. Rh ve mover, bearing her 1stRh + ve child

7238. The normal A/G ratio in blood is______________?
0

A. 1:02

B. 5:01

C. 2:1

D. 1:01

7239. Normal adult persons blood contains_____________?
0

A. 10% basophils

B. 20% eosinophils

C. 30% lymphocytes

D. 40% neutrophils

7240. Plasma ceruloplasmin alpha 2 globulins is a______________?
0

A. beta 1 globulin

B. alpha 1 globulin

C. alpha 2 globulin

D. beta 2 globulin

Previous Next

Showing 7221 to 7240 of 10266 mcqs