Biology Exam1





Human Biology Questions 


I- Choose the correct answer  (put circle)? 5 Bonus Questions:

1. Which of the following terms refers to the formation of a large volume of urine?


a) Anuria

b) Dysuria

c) Oliguria

d) Polyuria


2. ADH stimulates tubular reabsorption of ________.


a) Water

b) Na+ ions

c) K+ ions

d) Only b. and c. above are correct about ADH


3. The filtrate materials found in the nephron first leave the blood at the:


a) Urinary bladder.

b) Glomerulus.

c) Loop of henle.

d) Contractile vacuole.


4. The interstitial cells:


a) Produce spermatozoa.

b) Secrete estrogens.

c) Secrete testosterone.

d) Dissolve any spermatozoa that are not ejaculated.


5. The soft, vascular mucosal lining of the uterus is the:


a) Endometrium.

b) Fundus.

c) Mesentery.

d) Peritoneum.


II- Choose the correct answer  (put circle)? 50 Questions:


1. The endocrine product of the testis is _________ while the exocrine product is ___________.

a) Estrogen; semen

b) Testosterone; sperm

c) Semen; estrogen

d) Sperm; testosterone

2. Which of the following is NOT an accessory gland in the male reproductive system?

a) Seminal vesicles

b) Prostate Gland

c) Boulbourethral gland

d) All of the above are glands found in the male reproductive system

3. Testosterone production is carried out by the ________ cells after being stimulated by ___________.

a) Sperm; progesterone

b) Egg; estrogen

c) Follicle; progesterone

d) Interstitial; luteinizing hormone

4. The entire process of spermatogenesis, from production of primary spermatocyte to release on immature cells:

a) Takes 68-74 days.

b) Takes 30 days.

c) Takes 1 week.

d) Occurs in a day.

5. The three layers of the uterus from the inside to the outside are:

a) Intrametrium, mediometrium, and exometrium.

b) Endometrium, myometrium, and epimetrium.

c) Endomuscularis, myomuscularis, and epimuscularis.

d) Interiomuscularis, mediomuscularis, and exteriomuscularis.

6. Which of the following describes a pathway an ovum would follow to the exterior of the body?

a) Ovary, vagina, myometrium, endometrium

b) Ovary, fundus, uterine tube, urethra

c) Ovary, uterus, vagina, fallopian tube

d) Ovary, uterine tube, uterus, vagina

7. The follicle cells of the ovary produce ________ and the corpus luteum produces _________.

a) Luteinizing hormone; estrogen

b) Progesterone; estrogen

c) Estrogen; progesterone

d) Estrogen; luteinizing hormone

8. From the ejaculatory duct, sperm can pass directly into the:

a) Ductus deferens.

b) Epididymis.

c) Seminal vesicle.

d) Urethra.

9. What is the rupture of the Graafian follicle and the release of its contents called?

a) Fertilization

b) Mastication

c) Menstruation

d) Ovulation

10. The products of meiosis I in oogenesis are the:

a) Secondary oocyte and second polar body.

b) Primary oocyte and first polar body.

c) Secondary oocyte and first polar body.

d) Primary oocyte and second polar body.

11. Semen is composed of:

a) Sperm and secretions from the epididymis, ductus deferens, and urethra.

b) Sperm and secretions from the prostate, seminal vesicles, and bulbourethral glands.

c) Sperm and secretions from the testes.

d) Sperm and secretions from the prostate, epididymis, and interstitial cells.

12. The cells forming the outer layer (i.e. that closest to the basement membrane) of the seminiferous tubule are the:

a) Spermatogonia.

b) Spermatids.

c) Secondary spermatocytes.

d) Interstitial cells.

13. The finger-like structures around the internal opening of the uterine or Fallopian tube are known as the:

a) Cervix.

b) Endometrium.

c) Fimbriae.

14. http://wps.aw.com/wps/media/styles/1480/_skins_/D/default_blue/pixel.gifThe spermatozoa complete their maturation in the:

a) Rete testis.

b) Epididymis.

c) Seminal vesicles.

d) Ejaculatory duct.

15. Vasectomy does not affect the male secondary sexual characters because:

a) The ductus deferens produces the male sex hormones.

b) The interstitial cells are untouched.

c) The semen will still contain spermatozoa.

d) The testes are found in the scrotum.

16. http://wps.aw.com/wps/media/styles/1480/_skins_/D/default_blue/pixel.gifWhich structures in the testes produce spermatozoa?

a) Spermatogenesis

b) Interstitial cells

c) Seminiferous tubules

d) Inguinal canals

d) Fundus.

17. The progression of development in spermatogenesis is:

a) Spermatogonium; primary spermatocyte; secondary spermatocyte; spermatid sperm cell

b) Sperm cell; spermatid; secondary spermatocyte; primary spermatocyte; spermatogonium

c) Spermatid; primary meiocyte; secondary meiocyte; acrosomal meiocyte; sperm cell

d) Spermatogenocyt; primary spermatid; secondary spermatid; tertiary spermatid; sperm cell

18. Why the testes are are located in the scrotum?

a) There is no room for them in the abdominal cavity.

b) They must be located closer to the penis.

c) The temperature in the abdominal cavity is too high.

d) They can move more freely during spermatogenesis.

19. Developing follicles produce this hormone which stimulates thickening of the endometrium during each menstrual cycle and enlargement of female reproductive organs and breast development in a young woman:

a) Estrogen

b) FSH

c) LH

d) Testosterone

20. http://wps.aw.com/wps/media/styles/1480/_skins_/D/default_blue/pixel.gifFemale reproductive capabilities end, and reproductive organs begin to atrophy during:

a) Cryptorchidism.

b) Menopause.

c) Menses.

d) Parturition.

21. The structures inside each testis that produce sperm are called:

a) Ejaculatory duct.

b) Epididymis.

c) Seminiferous tubule.

d) Vas deferens.

22. http://wps.aw.com/wps/media/styles/1480/_skins_/D/default_blue/pixel.gifSince the reproductive system structures of males and females are identical during early development, what determines whether male accessory reproductive organs are formed?

a) Presence of FSH

b) Presence of LH

c) Presence of testosterone

d) Absence of testosterone

23. Starting at the site of sperm production, the correct sequence of structures sperm pass through to reach the outside is:

a) Epididymis-rete testis-vas deferens-ejaculatory duct- urethra

b) Rete testis-epididymis-vas deferens-ejaculatory duct- urethra

c) Rete testis-epididymis-ejaculatory duct-vas deferens- urethra

d) Ejaculatory duct-epididymis-rete testis-vas deferens- urethra

24. The usual site of implantation for the fertilized egg is the:

a) Ovary.

b) Uterus.

c) Vagina.

d) Vestibule.

25. This nonmotile cell, produced by meiosis, develops into a motile sperm by losing excess cytoplasm and developing a tail:

a) Primary spermatocyte

b) Secondary spermatocyte

c) Spermatid

d) Spermatogonium

http://wps.aw.com/wps/media/styles/1480/_skins_/D/default_blue/pixel.gif Question 14.

26. http://wps.aw.com/wps/media/styles/1480/_skins_/D/default_blue/pixel.gifWhat hormone produced by the blastocyst prods the glandular corpus luteum to continue producing its hormones to maintain the endometrium?

a) Follicle stimulating hormone

b) Human chorionic gonadotropin

c) Oxytocin

d) Progesterone

27. Question 16.What is a mature follicle that is ready to undergo ovulation called?

a) Blastocyst

b) Corona radiata

c) Corpus luteum

d) Graafian follicle

28. The structural and functional units of the urinary system are the:

a) Collecting ducts.

b) Nephrons.

c) Kidneys.

d) Glomerular capsules.

29. Which of the following describes the pathway of glomerular filtrate through the nephron?

a) Proximal convoluted tubule, glomerular capsule, distal convoluted tubule, loop of Henle

b) Loop of Henle, glomerular capsule, proximal convoluted tubule, distal convoluted tubule

c) Distal convoluted tubule, loop of Henle, proximal convoluted tubule, glomerular capsule

d) Glomerular capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule

30. http://wps.aw.com/wps/media/styles/1480/_skins_/D/default_blue/pixel.gif Dysuria is:

a) Painful urination.

b) A bladder infection.

c) A kidney infection.

d) A ureter infection.

31. The "tube" that carries urine from the urinary bladder to the outside world is the ____________ and the "tube" that carries urine from the kidney to the urinary bladder is the _________.

a) Ureter; urethra

b) Collecting duct; nephron

c) Urethra; ureter

d) Nephron; collecting duct

32. How many sphincters are found in the urethra?

a) One sphincters

b) Two sphincters

c) Three sphincters

d) Four sphincters

33. Blood leaving an afferent arteriole would enter which of following next?

a) Arcuate artery

b) Efferent arteriole

c) Glomerulus

d) Interlobular artery

34. Name the correct order in which the filtrate would pass through the following structures.

a) Glomerular capsule-PCT-loop of Henle-DCT-collecting duct

b) Glomerular capsule-collecting duct-PCT-loop of Henle-DCT

c) Glomerular capsule-loop of Henle-PCT-DCT-collecting duct

d) Glomerular capsule-DCT-loop of Henle-PCT-collecting duct

35. Acrosomal enzymes are needed for:

a) Sperm motility.

b) Sperm penetration of an "egg".

c) Implantation.

d) Maintenance of the endometrium of the uterus.

36. Podocytes are:

a) Cells that line the urinary bladder.

a) Phagocytic cells in the kidneys.

b) Cells of the inner layer of the glomerular capsule.

c) Cells of the wall of the glomerular capillaries.

37. Starting at the tip of a medullary pyramid, the correct sequence of structures that urine passes through on its way out of the body is:

a) Calyx-renal pelvis-urethra-urinary bladder-ureter

b) Renal pelvis-calyx-ureter-urinary bladder-urethra

c) Calyx-renal pelvis-ureter-urinary bladder-urethra

d) Renal pelvis-calyx-urethra-urinary bladder-ureter

38. The filtrate forced through the capillary walls in the kidneys enters which of the following structures first?

a) Collecting duct

b) Distal convoluted tubule (dct)

c) Glomerular capsule

d) Proximal convoluted tubule (pct)

39. The action of emptying the urinary bladder is called _________.

a) Urination

b) Peristalsis

c) Micturition

d) Urochrome

40. The basic function of the kidney is:

a) To regulate blood volume

b) To eliminate nitrogenous wastes

c) To help regulate blood pressure

d) All of the above

41. Which of the following is normally present in the filtrate forced from the glomerular capillaries but does not normally appear in the urine?

a) Blood cells

b) Glucose

c) Proteins

d) Urea

42. Which of the following describes the pathway that sperm follow when leaving the male body?

a) Ejaculatory duct; prostatic urethra; membranous urethra; spongy urethra; epididymis; ductus (vas) deferens; urethral orifice

b) Epididymis; ductus (vas) deferens; ejaculatory duct; prostatic urethra; membranous urethra; spongy urethra; urethral orifice

c) Prostatic urethra; membranous urethra; spongy urethr; epididymi; ductus (vas) deferen; ejaculatory duct; urethral orifice

d) Urethral orifice; spongy urethra; membranous urethra; prostatic urethra; ejaculatory duct; ductus (vas) deferens; epididymis

43. Which of the following is NOT a function of the kidneys?

a) Maintain water and electrolyte balance

b) Produce renin

c) Produce urea

d) Excrete urea

44. Which of the following is not located in the renal medulla?

a) Collecting duct

b) Glomerular capsule

c) Interlobar artery

d) Renal pyramid

45. Which of the following substances is not normally in the filtrate?

a) amino acids

b) glucose

c) proteins

d) urea

46. Which of the following substances is not normally found in urine, and it presences suggests a problem?

a) Red blood cells

b) Urea

c) Uric acid

d) Urochrome

47. http://wps.aw.com/wps/media/styles/1480/_skins_/D/default_blue/pixel.gifThe portion of the nephron closest to the collecting duct is called the:

a) Glomerulus.

b) Distal convoluted tubule.

c) Loop of Henle.

d) Proximal convoluted tubule.

48. The uptake of substances from the lumen of the nephrons is known as:

a) Tubular filtration.

b) Tubular secretion.

c) Tubular reabsorption.

d) Tubular distension.

49. http://wps.aw.com/wps/media/styles/1480/_skins_/D/default_blue/pixel.gifUrine formation requires which of the following?

a) Glomerular filtration and tubular secretion only.

b) Glomerular reabsorption and tubular filtration only.

c) Glomerular filtration, tubular reabsorption, and tubular secretion.

d) Tubular secretion, tubular filtration and glomerular reabsorption.

50. Where does most reabsorption of substances from the glomerular filtrate occur?

a) In the proximal convoluted tubule

b) In the loop of henle

c) In the collecting tubule

d) In the distal convoluted tubule


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First Mid-Term Examination Schedule - Second Semester 1435-1436

Day

Date

Course Name

Code & Number

Wednesday

13 / 5 / 1436

Medical Genetics

MDL 322

Thursday

14 / 5 / 1436

Histology

MDL 211

MDL 242

Monday

18 / 5 / 1436

Hematology

MDL 311

MDL 241

Tuesday

19 / 5 / 1436

Electron Microscope

MDL 314

MDL 362


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Second Mid-Term Examination Schedule Second Semester 1435-1436

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