Question Bank No: 1

1. Cornea transplant in humans is almost never rejected. This is because

 a)It is a non -living layer
 b)Its cells are least penetrable by bacteria
 c)It has no blood supply
 d)It is composed of enucleated cells

2. If vagus nerve in man is damaged, which of the following will not be affected?

 a)pancreatic secretion
 b)gastrointestinal movements
 c)tongue movements
 d)cardiac movements

3. During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?

 a)First positive, then negative and continue to be negative
 b)First negative, then positive and again back to negative
 c)First positive, then negative and again back to positive
 d)First negative, then positive and continue to be positive

4. Which one of the following is an example of negative feedback loop in humans?

 a)constriction of skin blood vessels and contraction of skeletal muscles when it is too cold
 b)Secretion of tears after falling of sand particles into the eyes
 c)Salivation of mouth at the sight of delicious food
 d)Secretion of sweat glands and constriction of skin blood vessels when it is too hot

5. An action potential in the nerve fibre is produced when positive and negative charges on outside and the inside of the axon membrane are reversed because

 a)all potassium ions leave the axon
 b)more potassium ions enter the axon as compared to sodium ions leaving it
 c)more sodium ions enter the axon as compared to potassium ions leaving it
 d)all sodium ions enter the axon

6. Which one of the followings is not correct about neuroglial cells?

 a)Generate or transmit impulses
 b)Maintain healthy concentrations of important chemicals in the fluid
 c)Provide physical support and protection to neurons
 d)In PNS, responsible for myelination

7. Which one of the followings is correct in regard to the function of cerebellum?

 a)Regulate heartbeat
 b)Muscle coordination
 c)Secretes melatonin
 d)Sense reception

8. Which of the following nerves is the largest of all the cranial nerves?

 a)Abducens nerve
 b)Oculomotor nerve
 c)Olfactory nerve
 d)Trigeminal nerve

9. Which of the following is not related to the autonomic nervous system?

 a)Peristalisis
 b)Digestion
 c)Excretion
 d)memory and learning

10. During the propagation of a nerve impulse, the action potential results from the movement of

 a)Na+ ions from extracellular fluid to intracellular fluid
 b)K+ions from extracellular fluid to intracellular fluid
 c)Na+ions from intracellular fluid to extracellular fluid
 d)K+ions from intracellular fluid to extracellular fluid

11. One of the following is a naturally occurring compound which reduces the sensation of pain and generates feelings of well-being?

 a)Acetylcholine
 b)Dopamine
 c)Endorphin
 d)Epinephrine

12. Comprehension of spoken and written words take place in the region of

 a)Association area
 b)Motor area
 c)Wernicke's area
 d)Broca's area

13. Functions of smooth muscles, cardiac muscles, organs and glands are regulated by ________ system

 a)Parasympathetic
 b)Sympathetic
 c)Central nervous
 d)Autonomic

14. Broca's area in the left hemisphere is related to

 a)Receiving the impulses from eyes
 b)Speech
 c)Learning and reasoning
 d)Sensation of smell

15. When a neuron is in resting state i.e not conducting any impulse, the axonal membrane is

 a)Comparatively more permeable to K+ ions and nearly impermeable to Na+ ions
 b)Comparatively more permeable to Na+ ions and nearly impermeable to K+ions
 c)Equally permeable to both Na+ and K+ ions
 d)Impermeable to both Na+ and K+ ions

16. The thin and convoluted outer layer of gray matter that covers the cerebral hemisphers is

 a)Medulla oblangata
 b)Thalamus
 c)Cerebral cortex
 d)Meninges

17. The difference in charge between inside and outside environment (change in voltage) of the nerve cell membrane is measured by

 a)Oscilloscope
 b)Electrocardiogram
 c)Stethoscope
 d)Laparoscope

18. Which one of the following is the primary target organ of aldosterone?

 a)Kidney
 b)Pancreas
 c)Liver
 d)Both b and c

19. Which one of the following pairs of organs includes only the endocrine glands?

 a)Adrenal and Ovary
 b)Parathyroid and Adrenal
 c)Pancreas and Parathyroid
 d)Thymus and Testes

20. Which one of the following pairs is mismatched?

 a)Antidiuretic hormone-Kidneys
 b)Luteinizing hormone-Mammary glands
 c)Prolactin-Mammary glands
 d)Adrenocorticotropic hormone- Adrenal cortex

21. Which one of the following condition is resulted from excess GH in adults?

 a)Cushings disease
 b)Acromegaly
 c)Hyperthyroidism
 d)Diabetes mellitus

22. Which of the following is the function of Adrenaline?

 a)Helps in gastric juice secretion
 b)Increases heart rate ans blood pressure
 c)Increase blood calcium
 d)Helps in milk secretion

23. Which of the following hormone is chemically glycoprotein?

 a)growth hormone
 b)prolactin
 c)erythropoietin
 d)estrogen

24. The adrenal cortex produces

 a)Adrenaline
 b)Calcitonin
 c)Epinephrine
 d)Aldosterone

25. In human adult females oxytocin

 a)causes strong uterine contractions during parturition
 b)Is secreted by anterior pituitary
 c)Stimulates growth of mammary glands
 d)Stimulates pituitary to secrete vasopressin

26. Pituitary gland known as the master endocrine gland is under the control of

 a)Pineal gland
 b)Adrenal gland
 c)Hypothalamus
 d)Thyroid gland

27. Name the condition when the concentration of Ketone body increase in urine

 a)Acromegaly
 b)Diabetes mellitus
 c)Diabetes insipidus
 d)Cushings disease

28. In children hypothyroidism (underactive thyroid gland) can lead to

 a)Goiter
 b)Acromegaly
 c)Cretinism
 d)Myxedema

29. Hormone responsible for the secretion of milk after parturition

 a)ICSH
 b)Prolactin
 c)ACTH
 d)LH

30. Endemic goitre is a state of

 a)Increased thyroid function
 b)Normal thyroid function
 c)Decreased thyroid function
 d)Moderate thyroid function

31. Chemical signals released by an organism that influence the behavior of other individuals of the same species are called

 a)Pheromone
 b)Insulin
 c)Androgen
 d)Steroid

32. Anabolic steroids are __________ versions of testosterone

 a)Effective
 b)Synthetic
 c)Natural
 d)Ineffective

33. Adrenocorticotropic hormone stimulates the adrenal cortex to produce

 a)Epinephrine
 b)Aldosterone
 c)Cortisol
 d)Testosterone

34. Yellow bone marrow, in the medullary cavity of the diaphysis is primarily

 a)Collagen fibers,made of protein
 b)Bone-forming and bone absorbing cells
 c)Fat that can be utilised for energy
 d)None of these

35. In hurdle race, what is the major energy source of the leg muscle?

 a)Performed ATP
 b)Glycolysis
 c)Pyruvate and lactate
 d)Oxidative metabolism

36. Motor neurons electrically stimulate nearby muscle fibers at

 a)Creatine phosphate
 b)Actin filament
 c)Neuromuscular junction
 d)Cross-bridges

37. Cells and their functions are matched below. Which is the correct option?

 a)Osteoblasts -bone forming cells
 b)Osteoclasts-bone absorbing cells
 c)Osteocytes-Cartilage forming cells
 d)Both(a) and (b) are correct

38. Muscular and nervous excitability is lowered vt which of the following?

 a)Na
 b)Mg
 c)Ca
 d)K

39. Which of the following is the smallest muscle in human body?

 a)Sartorius
 b)Stapedius
 c)Stapes
 d)Mandibular

40. In a new born baby, the flat bones in its skull are separated by large spaces filled with fibrous connective tissue. These soft spots are called

 a)Fontanels
 b)Chitin
 c)Bursae
 d)Menisci

41. Total number of bones in the hind limb is

 a)30
 b)15
 c)20
 d)24

42. Which part of Pectoral girdle?

 a)Acetabulum
 b)Iliom
 c)Sternum
 d)Glenoid cavity

43. Which joint occurs between humerus and radioulna?

 a)Ball and socket joint
 b)Sliding
 c)Pivot
 d)Hinge joint

44. Which of the following bones make up the structure of the hand?

 a)Metacarpal
 b)Tarsal
 c)Carpal
 d)Phalanges

45. Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it?

 a)Iris- Involuntary smooth muscle
 b)Heart wall-Involuntary unstriated muscle
 c)Bicpes of upper arm- Smooth muscle fibres
 d)Abdominal wall-Smooth muscle

46. Which one of the following pairs is wrong about cardiac muscles

 a)Location-only in the heart
 b)Function-Pumping of blood
 c)Gap junctions-No
 d)Striated-yes

47. Which of the following muscles draw the lower jaw, tongue and the head backward?

 a)Abductor
 b)Retractor
 c)Proctor
 d)All of these

48. Which one of the following bones is the only movable portion of the skull?

 a)Maxilla
 b)Mandible
 c)Frontal bone
 d)Zygomatic bone

49. Which one of the following is an example of an imperfect joint?

 a)Elbow joint
 b)Public symphysis
 c)Suture
 d)Ball and socket joint

50. Which one of the following items gives its correct total number?

 a)Cervical vertebrae in humans-8
 b)Floating ribs in humans-4
 c)Amino acids found in proteins-16
 d)Types of diabetes-3