medical MCQs – Page 243

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 Review each marked answer and report any item that may be outdated or unclear.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

4841. Muscle of expiration____________?
0

A. Internal intercostals

B. External intercostals

C. Diaphragm

D. Rcti Abdominis

4842. The renal clearance of _______________?
0

A. Inulin is lower than that of urea

B. PAH continues to rise as the plasma concentration of PAH increases

C. Creatinine indicates glomerular filtration rate

D. Chloride increases after in injection of aldosterone

4843. The oral and pharyngeal phases of swallowing take place very rapidly and last about______________?
0

A. 1-1.5 seconds

B. 9.5 seconds

C. 6.0 seconds

D. 3.5 seconds

4844. In cases of hypercapnia there is_______________?
0

A. Increased oxygen concentration in blood

B. Decreased pH of blood

C. Remains same

D. Increased pH of blood

4845. The normal adult value of urine output________________?
0

A. 2 l/day

B. 0.5 l/day

C. 1.5 l/day

D. 3 l/day

4846. The type of hypoxia present in high attitude is_____________?
0

A. Histotoxic Hypoxia

B. Stagnant Hypoxia

C. Anemic Hypoxia

D. Hypoxic Hypoxia

4847. Citrate is a useful anticoagulant because of its ability to_____________?
0

A. Chelate calcium

B. Bind factor XII

C. Buffer basic groups of coagulation factors

D. Bind vitamin K

4848. Acute bacterial pyogenic infection manifests as_________________?
0

A. Lymphopenia

B. Leukopenia

C. Leukocytosis

D. Neutropenia

4849. Plasma cells are constituent of_____________________?
0

A. Epithelial tissue

B. Muscular tissue

C. Nervous tissue

D. Connective tissue

4850. The intrapleural pressure at the end of deep inspiration is ______________?
0

A. -4 mm Hg

B. -18 mm Hg

C. #NAME?

D. +4 mm Hg

4851. Which of the following cell type is not a precursor of erythrocyte____________?
0

A. Norm oblast

B. PR erythroblast

C. Reticulocyte

D. Myeloblast

4852. Infants acquire adult hemoglobin level at_____________?
0

A. End of 1st year

B. Birth

C. Puberty

D. 4 years

4853. Most important function of albumin in body is_______________?
0

A. Toxic transport

B. Drug transport

C. Oncotic pressure

D. Coagulation

4854. Ventilation perfusion ratio is maximum in_______________?
0

A. Middle lobe of lung

B. Base of lung

C. Posterior lobe of lung

D. Apex of lung

4855. The best stimulator of respiratory center is____________?
0

A. Decrease in arterial carbon dioxide level

B. None of the above

C. Increase in arterial carbon dioxide level

D. Increase in arterial oxygen level

4856. False about blood brain barrier is_______________?
0

A. Fibronectin provides a barrier for diffusion

B. There are no gaps between active sites

C. There are gaps between tight junctions at the active sites

D. Less activity in the membrane

4857. Which is caused by acetylcholine through nicotinic receptors_____________?
0

A. Contraction of pupils

B. Decrease of heart rate

C. Contraction of skeletal muscle

D. Secretion of saliva

4858. At high altitudes the following changes takes place except_______________?
0

A. Increase in respiratory rate

B. Increase in oxygen carrying capacity of blood

C. Increase in partial pressure of CO2

D. Increases in depth of respiration

4859. The contractile element in a skeletal muscle is present in______________?
0

A. Sarcoplasm

B. Sarcolemma

C. Myofibril

D. Endomysium

4860. What is the normal PH of human blood_____________?
0

A. 7.35 to 7.4

B. 7.6

C. 7

D. 7.2

Previous Next

Showing 4841 to 4860 of 10266 mcqs