Question Bank No: 2

1. Which one of the following membranes secretes a watery fluid that lubricates and cushions thr joint?

 a)Tendons
 b)Synovial membrane
 c)Ligaments
 d)Catrilage

2. What will happen if the stretch receptors of the urinary bladder wall are totally removed?

 a)There will be no micturition
 b)Urine will not collect in the bladder
 c)Micturition will continue
 d)Urine will continue to collect normally in the bladder

3. Volume of yrine is regulated by

 a)Aldosterone
 b)Aldosterone and testosterone
 c)ADH
 d)Aldosterone and ADH

4. Which one of the following correctly explains the function of a specific part of a human nephron?

 a)Afferent arteriole:Carries the blood away from the glomerulus towards renal vein
 b): Create minute spaces (split pores) for the filtration of blood into the Bowmans capsule
 c)Henle's loop: Most reabsorption of the major substances from the glomerular filtrate
 d)Distal convoluted tubule: Reabsorption of K+ions into the surrounding blood capillaries

5. Which of the two waste products are removed from the blood in liver by Ornithine cycle?

 a)Urea and CO2
 b)Uric acid and ammonia
 c)Ammonis and CO2
 d)Urea and ammonia

6. When the infection is localized inthe urethra it is called

 a)Urethritis
 b)Cystitis
 c)Pyelonephritis
 d)Hemodialysis

7. Why do we urinate more in wet and cold months?

 a)Kidney becomes more active
 b)Increase of ADH secretion
 c)Sweating is much reduced
 d)Impairment of water absorption in nephron

8. Which one of the following statements in regard to the excretion by the human kidney is correct?

 a)Ascending limp of loop of Henle is impermeable to electrolytes
 b)Descending limp of loop of Henle is impermeable to water
 c)Distal convoluted tubule is incapable of reabsorbing HCO3
 d)Nearly 99 percent of the glomerular filtrate is reabsorbed by the rental tubules

9. The yellow pigment derived from heme breakdown and excreted by Kidneys is

 a)Uric acid
 b)Urochrome
 c)Cholestrol
 d)Melanin

10. The main nitrogen containing waste excreted in urine is

 a)Ammonia
 b)Creatine phosphate
 c)Nucleotides
 d)Urea

11. Ornithine cycle (also known as the urea cycle) refers to the sequence of biochemical reactions taking place in the

 a)Urinary bladder
 b)Liver
 c)Pancreas
 d)Stomach

12. Most of the reabsorption of salts and water occurs in the

 a)Distal convoluted tubule
 b)Loops of Henle
 c)Proximal convoluted tubule
 d)Collecting tubule

13. If a person undergoes a prolonged fasting then his urine will be found to contain higher levels of

 a)Ketones
 b)Amino acids
 c)Fats
 d)Glucose

14. If a man takes large amount of protein he is likely to excrete more amount of

 a)Glucose
 b)Urea and uric acid
 c)Water
 d)Salts

15. Correct sequence of urine formation is

 a)Filtration, reabsorption, secretion
 b)Secretion, reabsorbtion, filtration
 c)Reabsorbtion, secretion, filtration
 d)Reabsorbtion, filtration, secretion

16. Certain ions and molecules, for example H+ and penicillin are secreted from the peritubular capillary network into the

 a)Convoluted tubules
 b)Peritubular capillaries
 c)Loops of Henle
 d)Collecting ducts

17. Ability of the Kidneys for the production of concentrated urine is dependent on

 a)Active transport
 b)Passive transport
 c)Countercurrent mechanism
 d)Diffusion

18. Which one of the folowing statement is incorrect?

 a)Tuberculosis is caused by a rod-shaped bacterium, Mycobacterium tuberculosis
 b)Tuberculosis is highly infectious and can be spread by airborne droplets
 c)Tuberculosis can't be treated by antibiotics
 d)In Pulmonary Tuberculosis the elasticity of lungs is reduced

19. The respiratory memebrane, through which gas must diffuse, consists of the following EXCEPT

 a)Alveolar cells and endothelial cells of the capillary
 b)Lymphatic vessel basement memebrane
 c)Epithelial basement membrane
 d)Capillary basement memebrane

20. The kind of tissue that forms the supportive structure in our Pinna (external ears) is also found in

 a)Tip of nose
 b)Vertebrae
 c)Nails
 d)Ear ossicles

21. Which of the following is not correct?

 a)The nasal cavity warms and humidifies the air before it enters the lungs
 b)The right lung is composed of three lobes, but the left lung has only two lobes
 c)Lung volumes and vital capacity measure lung function
 d)The visceral pleura is in direct contact with the chest wall

22. Asthma is due to

 a)Elasticity of lungs is reduced
 b)Degradation of alveolar wall
 c)Bronchioles constrict due to muscle spasms
 d)Damage in diaphragm

23. What is the instrument that measures the amount of air inhaled and exhaled with each breath?

 a)Sphygmomanometer
 b)Hygrometer
 c)Stethoscope
 d)Spirometer

24. Respiratory center is located in the

 a)Pneumotaxic center
 b)Medulla Oblongata
 c)Alveoli
 d)Apneustic center

25. Which one of the following is not part of the large intestine?

 a)rectum
 b)colon
 c)cecum
 d)duodenum

26. Name the hormone that stimulates the secretion of gastric juice

 a)Renin
 b)Enterokinase
 c)Enterogastrone
 d)Gastrin

27. A young infant may be feeding entirely on mothers milk which is white in colour but the stool which the infant passes out is quite yellowish. What is this yellow colour due to

 a)Pancreatic juice poured into duodenum
 b)Intestinal juice
 c)Bile pigments passed through bile juice
 d)Undigested milk protein casein

28. If for some reason our goblet cells are non-functional this will adversely affect

 a)Smooth movement of food down the intestine
 b)Production of somatostatin
 c)secretion of sebum from the sebaceous glands
 d)Maturation of sperms

29. Carrier ions like Na+facilitate the absorption of substances like

 a)Fructose and some amino acids
 b)Amino acids and glucose
 c)Glucose and fatty acids
 d)Fatty acids and glycerol

30. The following list describes four major digestive enzymes. Which one of the following is incorrect?

 a)Salivary amylase-salivary glands-mouth
 b)Pepsin-Gastric glands-Stomach
 c)Nuclease-Small intestine-Stomach
 d)Lipase-Pancreas-Small Intsetine

31. Which one of the following statement is not correct about intestinal villi?

 a)A multitudinous finger like projections having many microvilli
 b)Increase the internal surface area of the intestinal wall
 c)Supplied with capillaries and the lacteal vessels
 d)participate only in digestion of fats

32. Liver the largest gland is associated with several functions. Which of the following is stated incorrectly?

 a)Stores glucose as glycogen
 b)Manufactures bile, converts the amino groups to urea
 c)Makes all the cholesterol that human body needs
 d)Secrete hormone called gastric

33. To obtain a standard ECG, a patient is connected to the machine with three electrodes

 a)One to each wrist and to the left ankle
 b)one to each ankle and to the left wrist
 c)one to each wrist and to the left chest region
 d)one to each ankle and to the left chest region

34. The most active phagocytic white cells are

 a)Neutrophils and monocytes
 b)Neutrophils and eosinopils
 c)Lymphocytes and macrophages
 d)Eosinophils and Lymphocytes

35. In humans, blood passes from the post caval to the diastolic right atrium of heart due to

 a)pressure difference between the post caval and atrium
 b)pushing open of the venous valves
 c)suction pull
 d)stimulation of the sino auricular node

36. What is true about RBCs in humans?

 a)they do not carry CO2at all
 b)they carry about 20-25 percent of CO2
 c)they transport 99.5 percent of O2
 d)they transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state of blood plasma

37. Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?

 a)Monocytes
 b)Neutrophils
 c)Basophils
 d)Eosinophils

38. Atrioventricular valves are supported by strands of connective tissue called

 a)endocardium
 b)myocardium
 c)Chordae tendineae
 d)cardiac fibers