Physiology Quiz 11

1 / 22

Hypoxia is characterized by ___________?

All of the above

Intense chemoreceptor response

Favorable response to 100% oxygen

Low arterial PO2

2 / 22

Which of the following statements about the action of the somatomedin is true ?

They antagonize the effect of insulin

They promote growth of bone and cartilage

They mediated the local effects of Somatostatin

They inhibit protein synthesis

3 / 22

The largest fraction of the total body fluid is_______________?

Extracellular fluid

Plasma

Whole blood

Intracellular fluid

4 / 22

Which of the following results due to excessive parathormone secretion_______________?

Increase excretion of calcium

Increased serum calcium

Decrease excretion of calcium

Increased excretion of phosphates

5 / 22

The decreased phosphate level seen in hyper parathyroidism is due to ________________?

Increased calcium excretion

Decreased intestinal phosphate absorption

Decreased renal phosphate absorption

Increased loss of phosphate in urine

6 / 22

Clotting factor common to extrinsic and intrinsic pathway is_____________?

Factor V

Factor VII

Factor II

Factor III

7 / 22

The primary effect of calcitonin is__________________?

Decreases intestinal absorption of calcium

Bone deposition

Bone resorption

Increases intestinal absorption of calcium

8 / 22

Ventilation perfusion ratio is maximum in_______________?

Posterior lobe of lung

Base of lung

Apex of lung

Middle lobe of lung

9 / 22

The effect which is seen due to decrease in serum calcium concentration is_______________?

Relaxation of muscle

Increase the renal absorption

Depression of Nervous system

Excitability of the muscle

10 / 22

T- lymphocytes play a primary role in_________________?

production of lymphokines and delayed hypersensitivity

Activation of complement system

Production of Antibodies

Immediate Hypersensitivity

11 / 22

Stimulation of baroreceptors results in_______________?

Increase in heart rate

Decrease in blood pressure

Decreased vagal discharge

Increased sympathetic discharge

12 / 22

Under resting condition the cardiac output is _______ L/ min ?

9.5

5.25

4.25

2.5

13 / 22

Secretin does not cause _______________?

Augments the action of CCK

Contraction of pyloric sphincter

Gastric secretion increase

Bicarbonate secretion

14 / 22

In renal glycosuria, the renal threshold for glucose is_______________?

Low

High

Same

Greatly increased

15 / 22

Centre of activity of autonomic nervous system is_________________?

Cerebrum

Hypothalamus

Midbrain

Pons

16 / 22

FSH is secreted by_____________?

Acidophiles

Theca intern cells

Basophils

Chromophobes

17 / 22

Which of the following is not useful for coagulation______________?

Fibrin

Thrombin

Plasmin

Calcium

18 / 22

Drumstick is found in_______________?

Neutrophils

Monocytes

Lymphocytes

Platelets

19 / 22

Gastric secretion is stimulated by all the following except_____________?

Vagal stimulus

Gastrin

Gastric distension

Secretin

20 / 22

Patient with anemia tends to have all, except________________?

Compensatory increase in cardiac output

A low PO2 in arterial blood

Increased incidence of heart murmurs

Pallor of mucous membranes

21 / 22

Proximal renal tubule is most permeable to _______________?

Potassium

Ammonia

Bicarbonate

Sodium

22 / 22

Which of the following is not a marker of bone formation_________________?

Osteocalcin

Alkaline phosphatase

Hydroxy proline

Procollagen marker

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