The following questions are designed to evaluate your understanding of fundamental concepts in human anatomy and physiology.
1. This is the reason why the SA node
acts as heart’s pacemaker
(a) Because it has a poor cholinergic innervations
(b) Because it has a rich sympathetic innervations
(c) Because of its capability of generating impulses
(d) Because it generates impulses at the highest rate
Ans- D
2. Rise in the carotid sinus pressure leads to
(a) Reflex hypercapnia
(b) Reflex hyperpnea
(c) Reflex bradycardia
(d) Reflex tachycardia
Ans- C
3. The ventricular muscles accepts impulses directly from
(a) AV node
(b) Bundle of Hi
(c) Right and left bundle branches(d) Purkinje system
Ans: D
4. On the heart, the impact of adrenaline is all of these except that
(a) It increases the uptake of oxygen by the heart
(b) It increases the contraction force
(c) It decreases the myocardial irritability
(d) It increases the heart rate
Ans- C
5. Duration of the absolute period, i.e., when the whole of heart is in diastole is
(a) 0.2 seconds
(b) 0.1 seconds
(c) 0.4 seconds
(d) 0.7 seconds
Ans- A
6. Peripheral vascular resistance can be best given by
(a) Pulse pressure as it corresponds to aortic compliance and stroke volume
(b) Mean arterial pressure as it supplies blood to organs
(c) Diastolic blood pressure as it leads to the decrease till mid-thoracic aorta
(d) Systolic pressure as it causes an increase in the descending aorta
Ans- C
7. This about second heart sound is incorrect
(a) It is occasionally split
(b) It is due to the closure of semilunar valves
(c) Indicates the commencement of diastole
(d) It has a longer duration than the first sound
Ans-D
8. The enzymes present in pancreatic juice are
(a) Amylase, Trypsinogen, Peptidase, Rennin
(b) Trypsinogen, Lipase, Amylase, Procarboxypeptidase
(c) Peptidase, Pepsin, Amylase, Rennin
(d) Maltase, Amylase, Trypsinogen, Pepsin
Answer: (b)
9. Which of the following hormones stimulates the production of pancreatic juice and
bicarbonate?
(a) Insulin and glucagon
(b) Cholecystokinin and secretin
(c) Gastrin and insulin
(d) Angiotensin and epinephrine
Answer: (b)
10. The absorption of fructose by intestinal mucosa is
(a) co-transport mechanism
(b) simple diffusion
(c) facilitated transport
(d) active transport
Answer: (c)
11. Secretin and cholecystokinin are secreted in
(a) pyloric region
(b) Ileum
(c) duodenum
(d) Oesophagus
Answer: (c)
12. Which of the following is synthesized and stored in the liver cells?
(a) Galactose
(b) Lactose
(c) Glycogen
(d) Arabinose
Answer: (c)
13. Na+ and other carrier ions facilitate absorption of
(a) amino acids and fructose
(b) fatty acids and glycerol
(c) fatty acids and glucose
(d) amino acids and glucose
Answer: (d)
14. The seminiferous tubules of the testis are lined by the germinal epithelium consisting of
(a) spermatids
(b) cells of Sertoli
(c) spermatogonium
(d) spermatocytes
Answer: (b)
15. These cells of the testes secrete testosterone
(a) Sertoli cells
(b) cells of germinal epithelium
(c) Cells of Leydig or interstitial cells
(d) secondary spermatocytes
Answer: (c)
16. There are some special types of cells present in the seminiferous tubules known as
Sertoli cells which are
(a) somatic cells
(b) germinal cells
(c) protective cells
(d) reproductive cells
Answer: (c)
17. Another name for Bulbourethral gland is
(a) Meibomian gland
(b) Prostate gland
(c) Perineal gland
(d) Cowper’s gland
Answer: (d)
18. In man, Cryptorchidism is the condition when
(a) testes do not descent into the scrotum
(b) there are two testes in each scrotum
(c) testis degenerates in the scrotum
(d) testis enlarges in the scrotum
Answer: (a)
19. Corpus luteum is the source of secretion of
(a) LH
(b) Estradiol
(c) Estrogen
(d) Progesterone
Answer: (d)
20. The membrane investing the ovum just outside the membrana granulosa is
(a) theca interna
(b) discus proligerus
(c) zona pellucida
(d) vitelline membrane
Answer: (a)
21. In the female rabbit, the expanded proximal part of the oviduct is known as
(a) fimbriated funnel
(b) uterus
(c) vagina
(d) vestibule
Answer: (b
22. In female mammals, Bartholin’s glands open into the
(a) fallopian tubes and release a secretion which makes sperms motile
(b) uterus and release a lubricating fluid during the birth of young ones
(c) urinary bladder and assist in the release of urine
(d) vestibule and release a lubricating fluid in the vagina
Answer: (d)
23. The stroma of the ovary consists of blood vessels, nerves, muscle fibres and a type of
protein called
(a) Fibrin
(b) Collagen
(c) Albumin
(d) Globulin
Answer: (b)
24. The nutritive medium for the ejaculated sperms is given by
(a) fallopian tube
(b) Vaginal fluid
(c) Seminal fluid
(d) Uterine lining
Answer: (c)
25. Henles loop is:
(a) U-shaped
(b) V-Shaped
(c) L-Shaped
(d) Shapless
Ans-A
26. Percentage of water in urine is generally about:
(a) 55%
(b) 95%
(c) 99%
(d) 59%
Ans- B
27. Excretory unit of kidney:
(a) Bowman’s capsule
(b) Glomerulus
(c) Nephron
(d) Henle’s loop
Ans- C
28. Isotonic urine is present in
(a) Henle’s loop
(b) Distal tubule
(c) Proximal tubule
(d) Blood plasma
Ans- C
29. Which of the following, mechanism does not control GFR
(a) Renal autoregulation
(b) Neural regulation
(c) Hormonal regulation
(d) Chemical regulation
Ans- D
30. Bile is necessary for digestion of -----
(a) Carbohydrate
(B) Fat
(c) Protein
Ans- B
31. Absorption of fat and glycerol takes place in the
(a) Ileum
(b) Stomach
(c) Large Inestine
(d) Gallbladder
Ans- A
32. Islet of Langerhans produces:
(a) Bile
(b) Trypsin
(c)Insulin
(d) Renin
Ans- C
33. Rickets is caused due to deficiency of:
(a) Vitamin A
(b) Vitamin B1
(c) Vitamin C
(d) Vitamin D
Ans- D
34. Disease Kwashiorkor is caused due to deficiency of:
(a) Carbohydrate
(b) Proteins
(c) Vitamin A
(d) Fats
Ans- B
35. Inner most layer of Uterus
(a) Endocardium
(b) Endometrium
(c) Perimetrium
(d) Mesometrium
Ans- B
36. Corpus luteum is formed of dead
(a) RBCs
(b) WBCs
(c) Chorion
(d) Grafian follicles
Ans- D
37. The ferlization of Ovum takes place in the
(a) Vagina
(b) Oviduct
(c) Uterus
(d) Urethra
Ans- B
38. Spermiogenesis is undergone by
(a) Spermitids
(b)Spermatogenesis
(c) Primary Spermatocytes
(d) Secondary Spermatocytes
Ans- A
39. Hormone which helps in Production of milk
(a) FSH
(b) LH
(c) Prolactin
(d) Oxytocin
Ans- C
40. Which of the following cause male infertility
a) Chalmydia infection
b) Gonorrhoea
c) Prolonged use of contraceptives
d) All of the above
Ans- D
41. PO2 stands for
a) Pure Oxygen
b) Pressure Oxygen
c) Parial oxygen
d) Partial Pressure of oxygen
e)
Ans- D
42. Enzyme formed in the mouth is known as
a) Starch
b) Amylase
c) Lipase
d) Insulin
Ans- B
43. Parietal cell secrete-------
a) Gastrin
b) HCl
c) Pepsin
d) Pepsinogen
Ans- B
44. Which of these involve in chemical digestion of Proteins?
a) Pancreatic amylase
b) Trypsin
c) Sucrose
d) Pancreatic nuclease
Ans- B
45. Where are most fat digesting enzymes produced?
a) Small intestine
b) Gallbladder
c) Liver
d) Pancreas
Ans- D
46. What are female gonads called?
a) Oocytes
b) Ova
c) Oviduct
d) Ovaries
Ans- D
47. Leydig cells
a) Secrete testosterone
b) Activate the sperm flagella
c) Support spermatogenesis
d) Secrete seminal fluid
Ans- A
48. What are male gametes called?
a) Ova
b) Sperm
c) Testes
d) Testosterone
Ans- B
49. As sperm first reach to oocyte, they will contact the
a) Acrosome
b) Corona radiate
c) Sperm binding receptor
d) Zona pellucida
Ans- B
50. Spermatogenesis takes place in
a) Prostate gland
b) Glans penis
c) Seminiferous tubule
d) ejaculatory duct
Ans- C