ANATOMY, PHYSIOLOGY, BIOCHEMISTRY:
1. Artery in anatomical snuff box:
2. Superior gluteal nerve supplies all except:
a. Gluteus minimus.
b. Gluteus maximus.
c. Tensor Fascia lata
d. Gluteus Medius.
3. All of the following are composite muscles except:
a. Flexor carpi ulnaris.
b. Flexor digitorum profundus.
d. Biceps Femoris
4. All of the following are branches of splenic artery, except:
a. Short gastric artery.
b. Hilar branches.
c. Right gastroepiploic artery.
d. Arteria pancreatica Magna.
5. Contents of deep perineal pouch include all except,
a. Dorsal nerve of penis.
b. Bulbourethral gland.
c. Root of penis.
d. Sphincter urethrae.
6. Urogenital diphragm is made up of following, except:
a. Deep transverse perinei.
b. Perineal membrane.
c. Colle's fascia.
d. Sphincter urethrae.
7. Lymphatics from the spongy urethra drain into the following lymph nodes:
a. Superior inguinal nodes.
b. Internal inguinal nodes.
c. Deep inguinal nodes.
d. Sacral nodes.
8. Middle superior alveolar nerve is a branch of:
a. Mandibular nerve.
b. Maxillary nerve.
c. Lingual nerve.
d. Facial nerve.
9. The parasympathetic secretomotor fibres to parotid traverse through the following, except:
a. Otic ganglion.
b. Tympanic plexus.
c. Greater petrosal nerve.
d. Auriculo temporal nerve.
10. Which of the following is not true about trochlear nerve?
a. Has the longest intracranial course.
b. Supplies the ipsilateral superior oblique muscle.
c. Only cranial nerve that arises from the dorsal aspect of the brainstem.
d. Enters orbit through the superior orbital fissure, outside the annulus of Zinn
11. Area that lies immediately lateral to the anterior perforating substance is:
a. Orbital gyrus.
c. Optic chiasma.
d. Limen insulae.
12. Medulla oblongata is supplied by following arteries, except:
a. Anterior spinal artery.
b. Bulbar artery.
c. Basilar artery.
13. Which of the following cranial structures is insensitive to pain?
a. Dural sheath around vascular sinuses.
b. Choroid plexus.
c. Falx cerebri.
d. Middle meningeal artery.
14. All of the following statements about Sternberg Canal are true, except:
a. Located anterior and medial to Foramen Rotundum.
b. Located posterior and lateral to Foramen Rotundum.
c. Represents perisistent craniopharyngeal canal.
d. Cause of intrasphenoidal meningocele.
M*: SC says " I am from around here" ( anteromedial , rotundum )
15. Closure of neural tube begins at which of the following levels:
a. Cervical region.
b. Thoracic region.
c. Cephalic end.
d. Caudal end.
16. Chief cells of stomach are most abundant in:
17. All of the following statments about Paneth cells are true, except:
a. Rich in rough endoplasmic reticulum.
b. Righ in zinc.
c. Contain lysozyme.
d. Foamy appearance.
18. Gut Associated Lymphoid Tissue (GALT) is primarily located in:
a. Lamina propria.
19. The oxygen-hemoglobin dissociation curve is sigmoid because,
a. Binding of one oxygen molecule increases the affinity of binding other O2 molecules
b. Binding of one oxygen molecule decreases the affinity of binding other O2 molecules.
c. Oxygen affinity of Hemoglobin decreases when the pH of blood falls.
d. Binding of O2 to Hemoglobin reduces the affinity of Hb for CO2.
20. An increase in the concentration of 2,3 - BPG may be seen in all of the following except:
21. The primary direct stimulus for excitation of central chemoreceptores is:
a. Increase in H+
b. Increase in CO2
c. Increase in O2
d. Decrease in CO2.
22. During diastole, the arterial pressure is maintained by,
a. Elastic recoil of aorta.
b. Musculature of ateries.
c. Constriction of capillaries.
d. Contraction of left ventricle.
23. Which of the following about vasomotor centre is true?
a. Independent of corticohypothalamic inputs.
b. Influenced by baroreceptor signals, not by chemoreceptors.
c. Acts along with the cardiovagal centre to maintain blood pressure.
d. Essentially silent in sleep.
24. Which of the following about myocardial O2 demand is true?
a. Correlates with heart rate.
b. Is directly proportional to external cardiac work.
c. Is negligible when heart is at rest.
d. Depends upon duration of systole.
25. Cyanosis does not occur in severe anemia because,
a. Hypoxia stimulates erythropoetin production.
b. O2 carrying capacity of available Hb is increased.
c. Critical conc of Hb required to produce cyanosis in reduced.
d. O2- Hb curve shift to the right.
26. Which of the following helps in bridging the fibrin in a clot and stabilizes the clot?
a.. Factor XIII
b. Factor XI
c. Factor IX
d. Factor VII
27. When a person changes position from standing to lying down, following change is seen:
a. Heart rate increases.
b. Venous return to heart increases immediately.
c. Cerebral blood flow increases.
d. Blood flow at apices of lung decreases.
28. The main cause of increased blood flow to exercising muscles is:
a. Raised blood pressure.
b. Vasodilatation due to local metabolites.
c. Increased sympathetic discharge to peripheral vessels.
d. Increased heart rate.
29. All of the following statements about renal physiology are true, except:
a. Distal tubule always receives hypoosmotic solution.
b. The kidneys receive 5% of the cardiac output.
c. GFR is controlled by resistance in afferent and efferent arterioles.
d. The glomerulus receives capillaries from the afferent ateriole.
30. Angiotensin II causes all of the following except,
a. Stimulation of thirst.
b. Increased ADH secretion
d. Aldosterone secretion.
31. Intrinsic factor of Castle is secreted by which of the following cells in gastric glands:
a. Chief cells.
b. Parietal cells.
c. Enterochromaffin cells.
d. B cells.
32. Sertoli cells play a key role in which of the following process
b. Testosterone secretion.
c. Secretion of seminal fluid.
d. Production of germ cells.
33. Action potential is initiated at the Axon Hillock because,
a. Threshold for excitation is lowest.
b. Neurotransmitter is released at this site.
c. It is an unmyelinated segment.
d. Has lowest conc of voltage gated Na channels.
34. All of the following are involved in the transmission of regulatory signals through the ECF except,
a. Synaptic signals through neurotransmitters.
b. Endocrine signals thru hormones.
c. Direct contact thru gap junctions.
d. G protein coupled receptors.
35. Which of the following statements about cutaneous shunt vessels is true?
a. Perform nutritive function.
b. Have role in thermoregulation.
c. Not under control of autonomic nervous system.
d. These vessels are evenly distributed throughout the skin.
36. Apetite is stimulated by all of the following peptides except,
a. Agouti- Related Peptide.
b. Melanocyte Stimulating Hormone
c. Melanin Concentrating Hormone.
d. Neuropeptide Y.
37. Key regulators of sleep are located in,
d. Limbic cortex.