Download Cat Dissection Questions

Cat Dissection Questions
1. At what level does gas exchange with the tissues occur?
A.
B.
C.
D.
Capillaries
Veins
Arteries
Arterioles
2. Which best describes the arteries?
A. Carry blood toward the heart
B. Contain valves
C. Pressures rarely rise above 2mmHg
3. The vessels with the smallest lumen relative to the thickness of the wall are
A.
B.
C.
D.
Veins
Venules
Capillaries
Arteries
4. Which of the following connects the systemic and pulmonary vessels in the fetus?
A.
B.
C.
D.
E.
Foramen ovale
Ductus venosus
Umbilical vein
Ductus arteriosus
None of the above
5. Which of the following connects the atria in the fetal heart?
A.
B.
C.
D.
E.
Foramen ovale
Ductus venosus
Umbilical artery
Ductus arteriosus
More than once of the above
6. Of the vessels below, which carries blood of the highest oxygen content in the
fetus?
A. Umbilical vein
B. Umbilical artery
C. Thoracic aorta
D. Internal iliac vein
E. Pulmonary vein
7. The pacemaker of the heart is/are the
A.
B.
C.
D.
E.
Conduction myofibers
Atrioventricular node
Atrioventricular bundle
Sinoatrial node
None of the above
8. Which of the following drains to the right atrium?
A.
B.
C.
D.
E.
Coronary sinus
Superior vena cava
Inferior vena cava
Pulmonary vein
More than one of the above
9.
How do veins differ from arteries of the same external diameter?
A.
B.
C.
D.
E.
Veins lack a tunica interna
Veins have smaller lumen
Veins never have muscle
Veins may have valves
More than one of the above
10. Which of the following best describes a capillary?
A.
B.
C.
D.
E.
Tunica media only
Tunica externa only
Tunica interna only
Muscular wall
More than once of the above
11. Which of the following does NOT have three cusps?
A.
B.
C.
D.
Pulmonary semilunar valve
Right atrioventricular valve
Aortic semilunar valve
Left atrioventricular valve
12. Which one of the following is not formed element in blood?
A. Granulocyte
B. Platelet
C. Globulin
D. Erythrocyte
13. Which one of the following is a function of blood?
A.
B.
C.
D.
Transport waste products from cells of the body to the kidneys
Transport food material
Regulate extracellular environment
All are functions of blood
14. The route of blood from the right side of the heart to the lungs and back to the left
side of the heart is called the _________ loop.
A.
B.
C.
D.
Pulmonary
Cardiac
Lymphatic
Systemic
15. The lymphatic vessels leading away from a lymph node are called
A.
B.
C.
D.
Afferent lymphatic vessels
Lymph trunks
Lymphatic ducts
Efferent lymphatic vessels
16. Which one of the following is NOT true of the lymphatic system?
A.
B.
C.
D.
Provide defense against invasion of foreign particles
Returns interstitial material back to the bloodstream
Empties into the arterial system
Forms leukocytes
17. The tonsils located in the posterior wall of the nasopharynx are the
A.
B.
C.
D.
Palatine tonsils
Pharyngeal tonsils
Lingual tonsils
Submandibular tonsils
18. Which of the following operates the triceps muscle?
A.
B.
C.
D.
Autonomic neuron
Visceral motor neuron
Somatic motor neuron
Somatic sensory neuron
19. An axon differs from a dendrite in that
A.
B.
C.
D.
It ahs synaptic vesicles
It is always longer
It alone can depolarize
The dendrite contains the nucleus
20. Which is false regarding the spinal cord?
A.
B.
C.
D.
Nuclei, groups of neuron cell bodies and dendrites are found in the gray matter.
The ventral horns of gray matter give rise to the motor roots
The central canal contains cerebrospinal fluid
White matter consists of myelinated dendrites of sensory neurons
21. Which is NOT ans example of visceral effector in the ANS?
A.
B.
C.
D.
Skeletal muscle
Visceral muscle
Gland
Cardiac muscle
22. Assuming a drop of cerebrospinal fluid is formed in a lateral ventricle, which
space is encountered next?
A.
B.
C.
D.
Fourth ventricle
Third ventricle
Subarachnoid space
Cerebral aqueduct
23. A neuron that has a single axon and several dendrites is called
A.
B.
C.
D.
E.
Afferent
Bipolar
Unipolar
Multipolar
Axoaxonic
24. Which of the following innervates the muscles involved in walking?
A.
B.
C.
D.
E.
Visceral motor neuron
Somatic motor neuron
Visceral sensory neuron
Somatic sensory neuron
Interneuron
26. An effector is
A.
B.
C.
D.
The region in the brain in which a nervous impulse originates.
The organ on which a motor neuron ends.
A particular type of sensory neuron
Described by more than one of the above
25. An interneuron is
A.
B.
C.
D.
E.
Sensory
Motor
Found in the brain only
A neuron that integrates sensory and motor activities
Found in the spinal cord only
26. A neurotransmitter
A.
B.
C.
D.
E.
Is released from the synaptic vesicle
Bridges the synaptic cleft
Produces depolarization in the postsynaptic neuron
Is a hormone such as dopamine
Is described by all of the above
27. Place the following in the correct order, beginning in the CNS:
1.
2.
3.
4.
5.
6.
7.
Neuromuscular junction at heart muscle
Bridges the synaptic cleft
Cardiac center in medulla oblongata
Ventral root of thoracic spinal nerve
Paravertebral ganglion of sympathetic trunk, synapse
Preganglionic neuron
Ganglionic neuron
A.
B.
C.
D.
E.
1, 2, 3, 4, 5, 6, 7
3, 2, 6, 4, 5, 7, 1
3, 6, 2, 7, 5, 4, 1
1, 4, 2, 5, 6, 7, 3
2, 3, 7, 4, 5, 1, 6
28. From the following list of characteristics, select those that are correct pertaining
to some or all spinal nerves.
1.
2.
3.
4.
5.
6.
Four pairs of coccygeal nerves
Eight pairs of cervical nerves
May contain sensory pathways
May contain somatic motor pathways
May contain visceral motor pathways
formed from two roots
7. 10 pairs of lumbar nerves
8. Ventral root has ganglion
9. May contain parasympathetic
10. Leave CNS via transverse foramina
A.
B.
C.
D.
E.
2, 3, 4, 5, 6, 9
2, 4, 5, 6, 7, 8
2, 3, 4, 7, 8, 9, 10
1, 3, 6, 7, 8, 10
None of the above
29. Which of the following is false regarding the spinal cord?
A.
B.
C.
D.
E.
Nuclei, groups of neuron cell bodies and dendrites, are founding the gray matter.
The anterior horns of gray matter give rise to the motor roots
The central canal contains CSF
The dorsal horns receive the sensory roots
White matter consists of myelinated dendrites and cell bodies of sensory neurons
30. Assuming CSF origionates only in the lateral ventricles, select the correct
sequence of formation, circulation, and reabsorption of CSF from the list below
1.
2.
3.
4.
5.
6.
7.
8.
Third ventricle
Lateral ventricle
Arachnoid villi
Choroid plexus
Superior sagittal sinus
Fourth ventricle
Cerebral aqueduct
Subarachnoid space
A.
B.
C.
D.
E.
1, 2, 3, 4, 5, 6, 7, 8
4, 1, 2, 3, 8, 6, 7, 5
3, 2, 1, 5, 6, 7, 8, 4
4, 2, 1, 7, 6, 8, 3, 5
None of the sequence
31. Which of the following describes the cochlea?
A.
B.
C.
D.
E.
Mechanoreceptor
Exteroceptor
Special sense
For hearing
All of the above
32. Which of the following is a special sense?
A.
B.
C.
D.
E.
Touch
Proprioreception
Pain
Pressure
Gustation
33. Which of the following includes pain receptors?
A.
B.
C.
D.
E.
Mechanoreceptors
Nociceptors
Photoreceptor
Chemoreceptor
None of the above
34. The process of adjusting for objects near the eye is
A.
B.
C.
D.
E.
Presbyopia
Hyperopia
Myopia
Accommodation
Glaucoma
35. Which of the following is NOT associated with the aqueous humor?
A.
B.
C.
D.
E.
Anterior cavity
Choroid plexus
Ciliary body
Glaucoma
Optic nerve
36. Which of the following is NOT associated with the rods?
A.
B.
C.
D.
E.
Black and white vision
Cornea
Optic nerve
Bipolar neuron
Nervous tunic
37. Which of the following is a receptor for static equilibrium?
A.
B.
C.
D.
E.
Cochlea
Retina
Cupula
Macula
Ampulla
38. The adam’s apple is a common term for the
A.
B.
C.
D.
Pharynx
Epiglottis
Cricoid cartilage
Thyroid cartilage
39. Surfactant is produced by
A.
B.
C.
D.
Alveolar
Type I (pulmonary epithelial) cells
Type II (septal) cells
Blood cells
40. Pharyngeal tonsils are located in the
A.
B.
C.
D.
Nasopharynx
Oropharynx
Laryngopharynx
Larynx
41. The laryngeal cartilage involved in sound production is the
A.
B.
C.
D.
Thyroid
Epiglottis
Cricoid
Arytenoid
42. Posteriorly, the nasal cavity communicates with the pharynx through the
A.
B.
C.
D.
Vestibule
Auditory tube
Internal nares
Superior meatus
43. An incision into the small intenstine would cut which layer first?
A. Muscularis
B. Mucosa
C. Submucosa
D. Serosa
44. The colon appears subdivided into pouches called
A. Taenia coli
B. Villi
C. Rugae
D. Haustra
45. The salivary glads located anterior and inferiror to the external auditory meatus
are the
A. Sumbandibular
B. Parotid
C. Subligual
D. Buccal
46. The stomach contancts the left side of the body here
A.
B.
C.
D.
Greater curvature
Lesser curvature
Cardiac portion
Pyloric portion
47. The terminal portion of the small intestine is the
A.
B.
C.
D.
Duodenum
Ileum
Jejunum
Anus
48. Which best defines meiosis?
A.
B.
C.
D.
Production of haploid gametes
Production of primary germ cells
Tissue repair
Formation of the endometrium
49. Which of the following is altered by a vasectomy
A. Testis
B. Ejaculatory tuct
C. Urethra
D. Ductus deferens
50. The structure surgically removed by circumcision is the
A.
B.
C.
D.
Bulb
Prepuce
Glans
Testis
51. Ova and sperm differ from all other body cells in that they
A.
B.
C.
D.
Have the haploid chromosome number
Undergo mitotic division
Cannot develop or mature
Contain all cell organelles except mitochondria
52. Fertilization normally occurs in the
A.
B.
C.
D.
Uterine (fallopian) tubes
Uterus
Ovaries
Vagina
53. The advantage of sexual reproduction is that
A.
B.
C.
D.
It produces variation within the species
It ensures that all members of the species will be genetically identical
It produces a Zygote from two diploid cells
The chromosome number is double in each generation
54. During a menstrual cycle, a sudden drop in plasma estrogen levels indicates
A.
B.
C.
D.
Pregnancy
Menstruation will soon begin
Ovulation
The end of menstruation
55. Which of the following maintains the corpus luteum during pregnancy
A.
B.
C.
D.
E.
LH
FSH
HCG
HCG
Estrogen
56. Which of the following initiates follicular development?
A.
B.
C.
D.
LH
FSH
HCG
Estrogen
57. Which of the following initiates follicular development?
A. LH
B. FSH
C. HCG
D. Estrogen
58. Which of the following is responsible (indirectly) for increasing blood pressure?
A.
B.
C.
D.
FSH
LH
Enterogastrone
Renin