Download 2014 Quiz IA Answers

Anatomy and Physiology 141
Fall 2014: Quiz IA
Name: ____________________________________________
Use the following list to answer Question 1.
1
2
3
4
5
1.
Golgi apparatus
Nuclear membrane
Mitochondria
Rough ER
Smooth ER
Which of the cellular components listed above are part of the endomembrane system and
surrounded by a double membrane?
a.
b.
c.
d.
e.
2.
The maintenance of life depends on all of the following EXCEPT:
a.
b.
c.
d.
e.
3.
Boundaries separating the internal environment from the outside world
Mechanisms that permit cells to ingest food
Biochemical pathways that permit energy stored in complex molecules to be released
The capacity to reproduce
Ability to respond to stimuli in the natural world
In regards to synapsis, which of the following is NOT TRUE?
a.
b.
synapsis
c.
d.
e.
4.
1, 4 & 5
4&5
1, 2 & 4
All but 3
All of the above
Synapsis occurs at chiasmata
Chromosomes that undergo synapsis have more genes than they did prior to
Synapsis can only occur during prophase of meiosis I
Synapsis can only occur between a maternal and a paternal chromosome
B&D
All of the following are characteristics of homeostatic mechanisms EXCEPT:
a.
Positive feedback mechanisms return body variables to their set points by
increasing the
body variable
b.
Effector systems are controlled by central processors
c.
Receptors detect changes in body variables
d.
Central processors send efferent signals
e.
A&D
5.
All of the following are characteristics of the cytoskeleton EXCEPT:
a.
b.
c.
d.
e.
6.
All the following are characteristics of mitosis EXCEPT:
a.
b.
c.
d.
e.
7.
Cranial cavity
Pericardial cavity
Pleural cavity
Mediastinum
A&D
In regards to the fluid mosaic model of the plasma membrane, which of the following is NOT
TRUE?
a.
b.
c.
d.
e.
10.
Chromatids are replicated during the S phase
For non-dividing cells, G0 is the longest stage of the life cycle
Gene expression may occur during G2 of the cell cycle
S phase must occur for cells to divide
A&B
Assuming the body is in the correct anatomical position, which of the following are dorsal body
cavities and divided by a mid-sagittal plane?
a.
b.
c.
d.
e.
9.
Kinetochores connect spindles to the centriole
Following anaphase, two spindles attach to each centromere
Dividing cells have at least two copies of the DNA during all phases of mitosis
A&B
A, B & C
In regards to the cell cycle, which of the following is NOT TRUE?
a.
b.
c.
d.
e.
8.
Microfilaments are connected to the centriole and inner surface of the plasma
membrane
Microfilaments are contractile proteins that allow the cell to change shape
Spindles are formed from intermediate fibers
A&B
A&C
Peripheral proteins are usually associated with regions of the membrane that are
hydrophilic
Hydrophobic regions of phospholipids are located in the center of the membrane
Integral proteins may act as membrane channels
Phosphate functional groups attached to phospholipids are only in contact with the
fluid surrounding the outside of the cell
C&D
Which of the following sequences are arranged from latest to earliest?
a.
b.
c.
Anaphase, telophase, metaphase, prophase, G2, s-phase
Anaphase, telophase, metaphase, prophase, s-phase, G2
Telophase, anaphase, metaphase, prophase, G1, s-phase
d.
e.
Telophase, anaphase, metaphase, prophase, G2, s-phase
Telophase, anaphase, metaphase, prophase, s-phase, G2
Use the following list to answer Question 11.
1
2
3
4
11.
Scapular
Popliteal
Brachial
Umbilical
Synapsis exchanges genetic information between sister chromatids
Sister chromatids separate during Prophase II
Cells at the beginning of Metaphase II are haploid
A&C
A, B & C
In regards to membrane transport, which of the following is NOT TRUE?
a.
the
b.
c.
d.
e.
14.
3&8
1, 3, 7 & 8
3, 7 & 8
3, 6 & 8
1, 3, & 8
In regards to meiosis, which of the following is TRUE?
a.
b.
c.
d.
e.
13.
Sural
Mental
Pectoral
Acromial
The body is first sectioned by a horizontal plane that passes through the inguinal region. The
superior section is then sectioned by a para-sagittal plane that passes through the axillary region
on the right side of the body. Which of the regions listed above can be found on only the lateral
section created by the para-sagittal plane?
a.
b.
c.
d.
e.
12.
5
6
7
8
Cellular energy is not required during non-selective movement of materials across
cell membrane
Receptors present on the coated pit selectively bind extra-cellular materials during
receptor mediated endocytosis
Osmosis moves water from areas with lower solute concentration to areas with higher
solute concentration
Pinocytosis is the selective movement of fluid and dissolved materials into cells
A&D
Of the following terms, which is used to describe the genetic material that undergoes synapsis?
a.
b.
c.
d.
e.
Chromatin
Homologous chromosome pairs
Chromosomes
Chromatids
Sister chromatids