medical MCQs – Page 247

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 Review each marked answer and report any item that may be outdated or unclear.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

4921. Plasma colloid osmotic pressure is due to________________?
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A. Albumin

B. Collagen

C. Globulin

D. Fibrinogen

4922. Tubular maximum for glucose is_____________?
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A. 375 mg/dl

B. 180 mg/dl

C. 375 mg/dl

D. 325 mg/dl

4923. T- lymphocytes play a primary role in_________________?
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A. Activation of complement system

B. Production of Antibodies

C. Immediate Hypersensitivity

D. production of lymphokines and delayed hypersensitivity

4924. The end plate potential is characterized by_____________?
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A. All or none law

B. Propagation

C. Hyper polarization

D. Depolarization

4925. _________ is an example for rapidly acting neurotransmitter?
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A. Glycine

B. Somatostatin

C. Substance P

D. Calcitonin

4926. All are features of skeletal muscle except______________?
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A. Cylindrical

B. Multiple nuclei

C. Transverse striation

D. Centrally placed nuclei

4927. In human the Hb is_______________?
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A. HbA

B. HbH

C. HbS

D. HbM

4928. True about nephron is_____________?
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A. Absorption of water occurs in ascending loop of Henle

B. 60 to 70% of GFR is absorbed in proximal tubule

C. The filtrate reaching distal convoluted tubule is hypertonic with respect to surroundings

D. Na is absorbed actively in descending loop of Henle

4929. The hemoglobin % of a normal newborn is______________?
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A. 30

B. 8

C. 12

D. 10

4930. The transport of CO is diffusion limited because_______________?
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A. Alveolar membrane is less permeable

B. Bind avidly with Hb

C. CO is less absorbed in water

D. Partial pressure of CO is less

4931. Plasma ceruloplasmin alpha 2 globulins is a______________?
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A. alpha 1 globulin

B. alpha 2 globulin

C. beta 1 globulin

D. beta 2 globulin

4932. Serum is blood plasma without_____________?
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A. Blood cells

B. Plasma colloids

C. Fibrinogen

D. Lymphocytes

4933. Maximum amount of glucose absorption occurs at_______________?
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A. None

B. DCT

C. Loop of henle

D. PCT

4934. The work of breathing__________________?
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A. is not affected by respiratory

B. is inversely related to lung compliance

C. remains constant during exercise

D. decreased in lying posture

4935. In which of the following diseases would you expect to find an increase in thickness of the respiratory membrane ?
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A. Asthma

B. Skeletal abnormalities of the chest

C. Pulmonary artery thrombosis

D. Emphysema

4936. Major basic protein is an important constituent of which leucocyte_____________?
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A. Eosinophil

B. Basophil

C. Lymphocyte

D. Neutrophil

4937. A motor unit is made up of______________?
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A. All the motor neurons in which response are observed after maximal stimulation of a single sensory nerve

B. A single skeletal muscle and all the motor peurons that supply it

C. A single motor neuron and all the muscle fibers it innervates

D. A flexor muscle and an extensor muscle

4938. An important non- respiratory function of lungs is_____________?
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A. Ca+2 balance

B. Anion balance

C. Sodium balance

D. Potassium balance

4939. The half-life of plasma Albumin is approximately___________________?
0

A. 90 days

B. 20 days

C. 60 days

D. 7 days

4940. Secondary granules of neutrophils contain______________?
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A. Nucleosidase

B. Myeloperoxidase

C. Lactoferrin

D. Catalase

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