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... [Show More] A&P 1 Cumulative Final
Original
1. Which is an example of a normally occurring positive-feedback mechanism?
stretching of the uterus near the end of pregnancy
2. Which of the following is the most widely distributed type of muscle in the body?
Smooth
3. A doctor performing an autopsy on a patient concludes that part of the brain was likely damaged
by trauma due to a large population of which type of cell?
microglia
4. During DNA replication, how does each template strand eventually become two identical DNA
molecules?
One strand forms continuously, the other forms in short segments spliced by DNA ligase
5. Which is the most superficial layer of skin that is composed primarily of living cells?
stratum spinosum
6. Which of the following components of the bone matrix, when removed, allows the bone to be
easily shattered?
Collagen
7. The targeted response of the hormone lipotropin is an increase in which of the following?
the breakdown of fat in adipose tissues8. What is the smallest level of organization in the body that contains the body's genetic
information?
cellular
9. Which sentence best describes the sliding filament model of muscle contraction?
Sarcomeres and myofibrils contract
10. Which of the following is the definition of a third degree burn?
a burn that has destroyed the dermis and epidermis
11. Which class of chemical messengers is secreted by neurons into synaptic clefts to activate an
adjacent cell?
Neurotransmitter
12. Which of the following types of openings in the skeletal system does a "sinus" describe?
Cavity
13. Which of the following processes generates the most ATP within a human cell?
Oxidative phosphorylation
14. What type of axons is found in a gray ramus comunicans?
unmyelinated, post-ganglionic axons
15. Deep means
Away from the surface
16. Which of the following is consistent with homeostasis?
As body temperature rises, sweating occurs to cool the body17. which of the following describes the position of the nose?
Superior to the mouth
18. An organelle is
A small structure within a cell
19. Posterior means
Toward the back of the body
20. Which body system would be affected by degeneration of cartilage in joints?
Skeletal
21. Inferior
Pointing towards the feet (down)
22. The study of tissues is
histology
23. Cephalic means
closer to the head
24. the term "dorsal" means
toward the back of the body
25. The thumb is ______ to the fifth digit (little finger).
lateral
26. The shoulder is _______ to the elbow
proximal27. The inguinal region is commonly known as the
Groin
28. Nerve cells generate electrical signals in response to changes in the environment. This is an
example of
responsiveness
29. Magnetic resonance imaging is based on the movement of
protons in a magnetic field
30. The pectoral region is the
chest area
31. An increase in the number of cells is
Growth
32. What system removes nitrogenous waste products from the blood and regulates blood pH, ion
balance, and water balance?
urinary
33. The sural region is the
calf
34. An anatomic image created from sound waves is a
sonogram
35. the lumbar region is the
lower back36. Which of the following systems carries necessary compounds like oxygen and nutrients
throughout the body?
cardiovascular
37. Anatomy is
the study of structure
38. the visceral pleura is
the serous membrane that covers the lungs
39. Which of the following is most similar to the negative feedback mechanism in human
physiology?
A toilet tank refills itself after a flush
40. The pleural cavity is the
space located between the visceral and parietal pleura
41. The popliteal region is the
hollow behind the knee
42. Organize the following structural levels of the human body from simplest to most complex.
(1) Cell
(2) tissue
(3) chemical
(4) organ system
(5) organ
3,1,2,5,443. The cavity of the body immediately inferior to the diaphragm is the ____________ cavity
abdominal
44. The change in shape of tissues or organs is called
morphogensis
45. Homeostasis is defined as
the maintenance of a relatively constant environment within the body
46. An organism's ability to use energy in order to swim is an example of
metabolism
47. A researcher discovered a sensory receptor that detects decreasing oxygen concentrations in the
blood. According to the principles of negative feedback, it is likely that stimulation of this
sensory receptor will produce which of the following types of responses?
an increase in the respiratory rate
48. Which of the following activities would represent a physiological study?
determining normal blood sugar levels for 20-year-old students
49. Toward the midline of the body is
median
50. Electrolytes are substances that
conduct electricity when dissolved in water
51. A group of water molecules are held together by
hydrogen bonds52. Which of the following factors will influence the rate of chemical reactions?
All of these factors will influence the rate of chemical reactions
a. temp
b. concentration of reactants
c. presence of catalysts
d. presence of enzymes
53. Which of the following organic groups does hemoglobin belong to?
protein
54. a base is a proton
acceptor
55. An organic molecule such as a vitamin that makes an enzyme functional is called a/an
coenzyme
56. What type of covalent bond is formed between amino acid molecules during protein synthesis?
peptide bond
57. Which of the following is determined by a sequence of amino acids bound by peptide bonds?
primary structure of protein
58. Which of the following is NOT a function of carbohydrates in the body?
protection
59. The pH value
is determined by the concentration of hydrogen ions
60. A neutral atom will become a cation if it
loses electrons61. An atom has an atomic number of 19 and a mass number of 39. This atom will have
20 Neutrons
62. Carbon dioxide is considered a(n)
molecule and a compund
63. Which of the following chemical reactions best represents the decomposition of ATP?
ATP+H2O->P1+energy
64. Nucleotides
are the building blocks of nucleic acids
65. Lipids
are an important component of cell membranes
66. In ionic bonding
electrons are transferred from one atom to another
67. Which of the following statements is false?
Water evaporation heats the body [Show Less]