physiology MCQs – Page 19

Practise focused physiology questions with marked answers for exam preparation and subject revision.

physiology Mcqs
361. Lysis of RBCs are seen in all of the following except__________?
comments icon0
A. Obstructive jaundice

B. Thalassemia

C. Sickle cell anemia

D. Methotrexate therapy

362. Most of the sodium is reabsorbed in_____________?
comments icon0

A. Loop of henle

B. Vasa recta

C. PCT

D. DCT

363. A decrease in the urine output is called_____________?
comments icon0

A. Plyuria

B. Oliguria

C. Dysuria

D. Nocturia

364. Erythropoietin is produced in the_______________?
comments icon0
A. Kidney

B. Spleen

C. Liver

D. Bone marrow

365. Receptors for olfactory sensation are present in ______________?
comments icon0

A. None of the above

B. Nasal septum

C. Lateral walls

D. Lateral wall and nasal septum above superior concha
366. Hemoglobin is the major buffer in blood, bicarbonate ions diffuse out of erythrocyte into plasma in exchange of_______________?
comments icon0

A. Potassium

B. Carbonic acid

C. Phosphate

D. Chloride ion
367. During inspiration when the diaphragm contracts, the intrapleural pressure becomes_____________?
comments icon0

A. Less negative

B. Equal to the intra alveolar pressure

C. Positive

D. More negative
368. Ammonia in the kidney tubules is excreted in exchange for______________?
comments icon0
A. Na+

B. PO4-2

C. CL-

D. HCO3-

369. Meiotic division of male germ cells commence_______________?
comments icon0

A. by around 6 years after birth

B. During intra uterine life

C. by around 16 years

D. just before birth

370. The hemoglobin % of a normal newborn is______________?
comments icon0

A. 12

B. 30

C. 8

D. 10

371. The pathway of pain from teeth and temperature is carried by ______________?
comments icon0
A. Lateral spinothalamic tract

B. Corticospinal tract

C. Corticocerebral tract

D. Ventral spinothalamic tract

372. Intention tremor is a feature of _______________?
comments icon0

A. Loss of function of Thalamus

B. Loss of function of Hypothalamus

C. Loss of function of Basal ganglia

D. Loss of function of cerebellum
373. Which of the following clotting factor is involved only in extrinsic pathway ?
comments icon0

A. II

B. VII

C. IX

D. X

374. Which of the following agents in not likely to be found in plasma ?
comments icon0
A. Thrombin

B. Prothrombin

C. Fibrinogen

D. Calcium ion

375. In osmotic diuresis there is_______________?
comments icon0
A. Decrease in reabsorption of Na Cl

B. Increase in NaCl concentration in urine

C. Increase in renal blood flow

D. Increase in glomerular filtration rate

376. The major functional difference between DNA and RNA is_____________?
comments icon0

A. RNA contains ribose

B. RNA does not contain thymine

C. DNA carries the information in all organizations

D. DNA is localized in nucleus

377. Regarding Golgi tendon organ true is ______________?
comments icon0

A. Involved in reciprocal innervation

B. Senses dynamic length of muscle

C. a- motor neuron stimulation

D. Sense muscle tension
378. The universal blood recipient group is_________________?
comments icon0

A. O- Ve

B. AB- Ve

C. O+ Ve

D. AB+ Ve
379. Amount of glucose absorbed in proximal convoluted tubule_______________?
comments icon0

A. 60%

B. 100%

C. 0%

D. 50%

380. Skeletal muscles______________?
comments icon0
A. Contraction is initiated by calcium binding to troponin

B. Contracts when actin and myosin filaments shorten

C. Contraction is initiated by calcium binding to tropomyosin

D. Contracts when calcium is taken up by sarcoplasmic reticulum