11. Which lies outermost in the cranial cavity?
A. The dura mater.
B. The arachnoid mater.
C. The pia mater.
D. The subarachnoid space.
12. The brain stem includes the:
A. Cerebrum.
B. Thalamus.
C. Pons.
D. Cerebellum.
13. Which of the auditory ossicles is anvil-shaped and has long and short processes?
A. The malleus.
B. The incus.
C. The stapes.
D. The saccule.
14. Eye colour is determined by the:
A. Cornea.
B. Choroid.
C. Iris.
D. Retina.
15. Secretion of which hormone is regulated by a positive feedback mechanism?
A. Luteinizing hormone (lh).
B. Thyroxine.
C. Oxytocin.
D. Glucagon



16. The two tiny openings in the laryngopharynx communicate with:
A. The oropharynx.
B. The maxillary sinus.
C. The middle ear.
D. The ethmoid sinus.
17. The serous membrane that lines the abdominal wall is the:
A. Visceral peritoneum.
B. Parietal peritoneum.
C. Mesentery.
D. Greater omentum
18. Chromosomes:
A. Come in pairs, numbered from 1–46.
B. Possess end regions called telomeres, which accumulate additional DNA with age.
C. Are different sizes: chromosome pair 1 is bigger than chromosome pair 10.
D. Are only seen in resting cells that are neither preparing to divide nor actively dividing.
19. Which of the following bones is a sesamoid?
A. The navicular.
B. The first cervical vertebra.
C. The triquetral.
D. The patella
20. The fimbriae of the uterine tubes:
A. Line the tubes to propel the ovum towards the uterus.
B. Are not enclosed in the broad ligament, but open into the peritoneal cavity.
C. Form a trumpet-like structure at the proximal end of each uterine tube.
D. Are the usual site of fertilization