Physiology Quiz 11

1 / 22

Stimulation of baroreceptors results in_______________?

Decrease in blood pressure

Decreased vagal discharge

Increase in heart rate

Increased sympathetic discharge

2 / 22

Which of the following is not useful for coagulation______________?

Thrombin

Plasmin

Calcium

Fibrin

3 / 22

Secretin does not cause _______________?

Contraction of pyloric sphincter

Bicarbonate secretion

Gastric secretion increase

Augments the action of CCK

4 / 22

Hypoxia is characterized by ___________?

Favorable response to 100% oxygen

Intense chemoreceptor response

All of the above

Low arterial PO2

5 / 22

The primary effect of calcitonin is__________________?

Decreases intestinal absorption of calcium

Bone resorption

Bone deposition

Increases intestinal absorption of calcium

6 / 22

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

Alkaline phosphatase

Procollagen marker

Osteocalcin

Hydroxy proline

7 / 22

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

5.25

2.5

9.5

4.25

8 / 22

FSH is secreted by_____________?

Basophils

Chromophobes

Acidophiles

Theca intern cells

9 / 22

Which of the following results due to excessive parathormone secretion_______________?

Decrease excretion of calcium

Increased serum calcium

Increase excretion of calcium

Increased excretion of phosphates

10 / 22

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

Decreased renal phosphate absorption

Increased loss of phosphate in urine

Decreased intestinal phosphate absorption

Increased calcium excretion

11 / 22

Drumstick is found in_______________?

Platelets

Neutrophils

Lymphocytes

Monocytes

12 / 22

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

Depression of Nervous system

Relaxation of muscle

Increase the renal absorption

Excitability of the muscle

13 / 22

In renal glycosuria, the renal threshold for glucose is_______________?

Low

High

Greatly increased

Same

14 / 22

Proximal renal tubule is most permeable to _______________?

Sodium

Potassium

Bicarbonate

Ammonia

15 / 22

Patient with anemia tends to have all, except________________?

A low PO2 in arterial blood

Pallor of mucous membranes

Compensatory increase in cardiac output

Increased incidence of heart murmurs

16 / 22

The largest fraction of the total body fluid is_______________?

Plasma

Extracellular fluid

Intracellular fluid

Whole blood

17 / 22

Ventilation perfusion ratio is maximum in_______________?

Posterior lobe of lung

Middle lobe of lung

Apex of lung

Base of lung

18 / 22

T- lymphocytes play a primary role in_________________?

production of lymphokines and delayed hypersensitivity

Production of Antibodies

Immediate Hypersensitivity

Activation of complement system

19 / 22

Gastric secretion is stimulated by all the following except_____________?

Vagal stimulus

Gastric distension

Secretin

Gastrin

20 / 22

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

They inhibit protein synthesis

They antagonize the effect of insulin

They promote growth of bone and cartilage

They mediated the local effects of Somatostatin

21 / 22

Centre of activity of autonomic nervous system is_________________?

Cerebrum

Hypothalamus

Midbrain

Pons

22 / 22

Clotting factor common to extrinsic and intrinsic pathway is_____________?

Factor III

Factor VII

Factor V

Factor II

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