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SNC2D – Animal Systems TEST
Knowledge/Understanding
Level:
Name: ___________________
Multiple Choice – Chose the most correct answer for each of the questions below, then
transfer the answers to the scantron provided.
1. The muscle tissue type that makes up the intestines is called:
a) cardiac muscle
b) skeletal muscle
c) digestive muscle
c) smooth muscle
2. Blood vessels that carry blood toward the heart are called:
a) arteries
b) veins
c) capillaries
d) vascular bundles
3. Tiny sacs of air in the lungs that are surrounded by a network of capillaries are
called:
a) bronchioles
b) trachea
c) goblet cells
d) alveoli
4. Skeletal muscle is attached to bone by:
a) cartilage
b) ligaments
c) tendons
d) all of the above
5. A(n) _____________ stem cell can differentiate into any kind of cell:
a) tissue
b) adult
c) embryonic
d) DNA
6. The tube that leads to the bronchi is called the:
a) esophagus
b) trachea
c) pharynx
d) larynx
7. The muscle that controls our breathing is called the:
a) ribs
b) intercostals muscles
b) lungs
d) diaphragm
8. The transplanting of body parts from one species to another is called:
a) zetotransplantation
b) xenotransplantation
c) transpeciation
d) animorgation
9. Nerve cells are also called:
a) neuroblastomas
c) neurons
b) neuroplasts
d) cell bodies
10. Which of the following blood components is a liquid?
A) red blood cells
B) white blood cells
C) platelets
D) plasma
11. Which of the following is not an accessory organ in the digestive system?
A) liver
B) stomach
C) pancreas
D) gallbladder
12. Which of the following organs produces insulin?
A) liver
B) gall bladder
C) pancreas
D) small intestine
13. Which of the following statements is true:
A) bile breaks down fat, is produced in the liver and stored in the gallbladder
B) bile regulates blood sugar and is produced in the pancreas
C) bile breaks down fat, is produced in the gallbladder and stored in the liver
D) bile is an acid that breaks down fat in the stomach
14. Where in the digestive tract is water absorbed?
A) small intestine
B) large intestine
C) stomach
D) none of the above
15. Which component of blood carries oxygen?
A) red blood cells
B) white blood cells
C) platelets
D) plasma
16. Which component of blood is responsible for clotting?
A) red blood cells
B) white blood cells
C) platelets
D) plasma
17. The Central Nervous System includes which of the following:
A) sensory and motor neurons
B) brain and spinal cord
C) skull and vertebrae
D) autonomic nerves
18. Which of the following statements about nerve cells is false:
A) myelin sheath insulates the electrical impulse
B) the axon carries the message
C) the cell body receives messages
D) nerve cells send hormones through the body
19. Which of the following statements is true:
A) sensory neurons carry information to the muscles
B) motor neurons carry information to the brain
C) sensory neurons carry information to the brain
D) motor neurons carry information to the spinal cord
20. Which of the following statements about cord blood banking is false:
A) blood is taken immediately from the babies umbilical cord
B) The cells taken are embryonic cells
C) The cells taken can treat childhood leukemia
D)The cells can develop into various kinds of blood cells
21. The blood vessels with the thickest walls are:
A) veins
B) arteries
C) capillaries
D) the vena cava is the thickest
22. Which of the following best describes a hormone:
A) an enzyme that helps digest food
B) a fat cell that travels through the body and helps control our weight
C) a chemical that sends a message through the blood to different parts of the
body
D) a specialized neuron
23. Which of the following statements are false regarding cross-species transplantation:
A) Heart valves from pigs have been used to replace damaged human heart
valves.
B) rejection of living tissue is a major hurdle
C) Human could get certain diseases from the other species during this process
D) None of the above all false statements
24. Which of the following statements about the heart is false:
a) blood enters the atria, then goes into the ventricles, then is pumped out of the
heart
b) the purpose of the heart is to pump blood to the body and to the lungs
c) oxygenated blood is pumped to the body and deoxygenated blood is pumped to
the lungs
d)none of the above are false
25.Embryonic stem cells are taken from the:
a) blastocyst
b) zygote
c) fetus
d) bone marrow
26. The endocrine system:
a) is composed of glands that produce hormones
b) regulates important body functions
c) a and b are true
d)none of the above
27. Which of the following is not a gland of the endocrine system:
a) thymus
b) hypothalamus
c) vagina
d) testes
28. Which of the following statements about the endocrine glands is false:
a) the pineal gland is part of the brain
b) the thyroid gland is in the neck
c) there are 2 adrenal glands
d) the hypothalamus is above the kidneys
29. What endocrine gland is called the “master gland” because it releases hormones
that controls other glands:
a) pineal
b) pituitary
c) vagina
d) testes
30. Hormones travel through the body by:
a) cytoplasm
b) nerves
c) blood
d) all of the above, depending on what hormone
31. The pineal gland:
a) controls metabolism
c) controls sleep patterns
b) regulates body temperature
d) regulates calcium levels in the blood
32. Cloning….
a) is creating genetically identical copies of biological matter
b) is done with genes, cells, tissues, or entire organisms
c) has never been done on humans
d) all of the above
33. The three types of cloning are:
a) molecular, genetic, and therapeutic
b) molecular, reproductive, therapeutic
c) genetic, molecular, reproductive
d) therapeutic, reproductive, direct
34. Which of the following is a self-replicating genetic element used to make clones of
DNA:
a) bacterial plasmid
b) clone cell
c) genetic isomer
d) host DNA
35. What is the role of the somatic cell in therapeutic cloning?
a) to start embryonic growth
b) to provide a place for the DNA to grow
c) to provide the DNA needed
d) all of the above
36. Which of the explanations below explains how Dolly was created:
a) DNA was taken from a sheep’s somatic cell and fused into an egg cell from a
different sheep, then the cells grow to an embryo, then the embryo is inserted
into the sheep that provided the egg.
b) DNA was taken from a sheep’s embryo and fused with a different sheep’s egg
cell, then the cells grow in a petri dish, and are inserted into the sheep that
provided the egg.
c) DNA was taken from a sheep’s somatic cell and fused with an egg from the
same sheep, grown in a petri dish, and then inserted back into that same sheep to
grow the baby sheep.
d) all of the above explanations have one or more errors in them.
37. Sperm and egg cells are haploid. What does that mean?
a) that they each have 23 chromosomes instead of 46
b) that they are from the bottom half of the human body
c) that they come from different sexes
d) none of the above
38.The main female reproductive hormones are:
a) oostrogen and progesterone
b) estrogen and progesterone
c) estrogen and testosterone
d) progesterone and testosterone
39. Why is the scrotum lowered outside of the body?
a) to increase the swim distance
b) the testes need to be further from the bladder
c) to keep the temperature lower
d) to have more space for expansion
40. When sperm fertilizes an egg, the result is called a(n):
a) embryo
b) ovum
c) zygote
d) fetus
41. A baby grows inside a mother’s ________________:
a) vagina
b) cervix
c) ovary
d) uterus
42. Which is the correct list below of organs that are transplanted:
a) heart, lungs, liver, pancreas, intestines
b) heart, lungs, liver, large intestines, brain
c) lungs, liver, gallbladder, kidney, heart
d) heart, lungs, pancreas, gallbladder, intestines
43. The first successful organ transplant was with a ____________:
a) lung
b) heart
c) pancreas
d) kidney
44. Animals commonly used for cross-species transplants include which of the following:
a) pigs
b) baboons
c) apes
d) all of the above
45. Somatic nerves can be described by which of the following statements:
a) they are involuntary
b) used in motor control
c) can be divided into parasympathetic and sympathetic
d) all of the above
46. The human skeleton is composed of how many bones?
a) 106
b) 110
b) 206
c) 210
47. Which of the following minerals are in bone:
a) calcium and phosphorous
b) calcium and magnesium
c) calcium and zinc
d) magnesium and phosphorous
48. Which of the following statements about ligaments is false:
a) they connect 2 bones together
b) they are strong and tough elastic bands
c) they are a type of connective tissue
d) they cannot stretch
49. Which of the following is an example of 2 antagonistic muscles:
a) diaphragm and rib muscles
b) bicep and tricep
c) quad and calf
d) all of the above
50.Hair-like projections in the trachea that keep out foreign materials are
called__________:
a) flagellum
b) cilia
c) villi
d) hairus
51. The process used to allow gas exchange in the lungs is called:
a) diffusion
b) osmosis
c) particle theory d) dissociation
52. Which of the following statements in true:
a) diaphragm contraction forces air out of the lungs
b) diaphragm contraction decreases the size of the chest cavity
c) diaphragm relaxation forces air out of the lungs
d) diaphragm relaxation is controlled by motor neurons
53. What is the purpose of the skeletal system:
a) protect organs
b) store minerals
c) produce blood cells
d) all of the above
54.An egg is released from a female’s fallopian tube approximately every ______ days:
a) 20
b)28
c) 24
d) 35
55. The name of the insulation around the nerve axon is called:
a) dendrites
b) cell bodies
c) myelin sheath
d) goblet cells
True/False - Indicate whether each of the following statements is true or false, and
then transfer the answers to the scantron provided. True goes under “a” and false goes
under “b”.
56. Embryonic stem cells can be found in the bone marrow. ______________
57. The pancreas is not a part of the digestive tract. ______________
58. The large intestine is the location of nutrient absorption. ______________
59. Arteries always carry oxygenated blood. ______________
60. Goblet cells secrete acid for digestion in the stomach. ______________
61. The esophagus is a muscular tube that contracts to push the food to the stomach.
______________
62. The three tissues that make up the heart include connective tissue, cardiac muscle
tissue, and nerve tissue. ______________
63. The respiratory system exchanges gases; oxygen is removed from the body and
carbon dioxide is provided to the body. ______________
64. There are 3 different types of muscles in our body, but only one is voluntary.
______________
65. Dolly the sheep was created through reproductive cloning.______________