BIO 168 FINAL LAB EXAM
QUESTIONS & ANSWERS(RATED
A+)
Your microscope is parfocal. This means that: - ANSWERThe slide should be almost
in focus when changing to higher magnifications
The directional term which means "towards a point of attachment to the trunk" is -
ANSWERproximal
The microscope slide rests on the ______________ while being viewed -
ANSWERstage
buccal = - ANSWERcheek
calcaneal = - ANSWERheel of foot
cephalic = - ANSWERhead
patellar = - ANSWERanterior aspect of knee
scapular = - ANSWERshoulder blade region
Describe completely the standard human anatomical position - ANSWERThe human
body is erect, feet are slightly apart, head and toes are pointed forward, and arms
are hanging at sides with palms facing forward.
frontal; coronal plane - ANSWER
left iliac (inguinal) region - ANSWER
right hypochondriac region - ANSWER
Which body cavity provides the least protection to its internal structures? -
ANSWERabdominal
What is the function of the serous membranes of the body? - ANSWERThe serous
membranes produce a lubricating fluid that reduces friction when visceral organs
slide over one another or rub against the body wall. Serous membranes also prevent
the spreading of infection in one organ to others by compartmentalizing the various
organs.pel
What body cavity houses the female reproductive organs? - ANSWERpelvic
What body cavity/cavities are the most protective? - ANSWERdorsal body cavity,
cranial cavity, vertebral/spinal cavity
,Why is it helpful to study the external and internal structures of the rat? -
ANSWERMany external and internal structures of the rat are similar to those in the
human. Studying the rat can help understand our own structure.
stomach --> __________ cavity - ANSWERabdominopelvic
esophagus --> ____________ cavity - ANSWERthoracic
large intestines --> ____________ cavity - ANSWERabdominopelvic
liver --> __________ cavity - ANSWERabdominopelvic
spinal cord --> ___________ cavity - ANSWERspinal
urinary bladder --> ___________ cavity - ANSWERabdominopelvic
heart --> _____________ cavity - ANSWERthoracic
trachea --> __________ cavity - ANSWERthoracic
rectum --> __________ cavity - ANSWERabdominopelvic
____________ is affected by the removal of the thyroid gland - ANSWERendocrine
___________ protects underlying organs from drying out and from mechanical
damage - ANSWERintegumentary
___________ delivers oxygen and nutrients to the tissues - ANSWERcardiovascular
_____________ conserves body water or eliminates excesses - ANSWERurinary
_______________ protects the body destroys bacteria and tumor cells -
ANSWERlymphatic
Which muscle type is striated, has multiple nuclei, and is voluntarily controlled? -
ANSWERskeletal muscle
Which muscle type is striated, contains branching cylindrical cells, and has
intercalated discs? - ANSWERcardiac
Which muscle type changes the internal volume of an organ as it contracts? -
ANSWERsmooth
Describe the proper procedure for preparing a wet mount - ANSWER1. Object is
placed in a drop of water or saline on a clean slide.
2. Cover slip is held at 45 degrees angle with the fingertips
3. Later it is lowered over the water and object
, If the diameter of the high-power field is 1.2mm, an object that occupies
approximately a third of that field has an estimated diameter of ______ mm (Round
to nearest tenth) - ANSWER0.4
If a microscope has a 10X ocular lens and the total magnification at a particular time
is 950X, the objective lens in use at that time is ____X. - ANSWER95
Assume there is an object on the left side of the field that you want to bring to the
center (that is, toward the apparent right). In what direction would you move your
slide? - ANSWERleft
A student has the high-power lens in position and appears to be intently observing
the specimen. The instructor, noting a working distance of about 1 cm, knows the
student isn't actually seeing the specimen. How so? - ANSWERA high power lens's
working distance should be much smaller, usually less than 1 cm. Therefore, the
instructor knows the student isn't actually seeing the specimen and what they are
viewing is out of focus.
Which structure organizes the mitotic spindle during cell division? -
ANSWERcentrisome/centriole
Which structure produces ATP for the cell? - ANSWERmitochondrion
Which organelle renews the cell membrane and modifies and packages proteins for
secretion? - ANSWERgolgi apparatus
prophase - ANSWER
What is the physical advantage of the chromatin's coiling and condensing to form
short chromosomes at the onset of mitosis? - ANSWERShort and compact bodies
are easier to manipulate during mitosis rather than long chromatin threads
The nuclear envelope re-forms - ANSWERtelophase
The mitotic spindle forms - ANSWERprophase
Centrioles replicate - ANSWERinterphase
The chromosomes are V shaped - ANSWERanaphase
DNA replication occurs - ANSWERS phase
A semipermeable sac filled with a solution containing 4% NaCl, 9% glucose, and
10% albumin is suspended in a solution with the following composition: 10% NaCl,
10% glucose, and 40% albumin. Assume that the sac is permeable to all substances
except albumin. State whether each of the following will (a) move into the sac, (b)
move out of the sac, or (c) not move
-glucose
-water
QUESTIONS & ANSWERS(RATED
A+)
Your microscope is parfocal. This means that: - ANSWERThe slide should be almost
in focus when changing to higher magnifications
The directional term which means "towards a point of attachment to the trunk" is -
ANSWERproximal
The microscope slide rests on the ______________ while being viewed -
ANSWERstage
buccal = - ANSWERcheek
calcaneal = - ANSWERheel of foot
cephalic = - ANSWERhead
patellar = - ANSWERanterior aspect of knee
scapular = - ANSWERshoulder blade region
Describe completely the standard human anatomical position - ANSWERThe human
body is erect, feet are slightly apart, head and toes are pointed forward, and arms
are hanging at sides with palms facing forward.
frontal; coronal plane - ANSWER
left iliac (inguinal) region - ANSWER
right hypochondriac region - ANSWER
Which body cavity provides the least protection to its internal structures? -
ANSWERabdominal
What is the function of the serous membranes of the body? - ANSWERThe serous
membranes produce a lubricating fluid that reduces friction when visceral organs
slide over one another or rub against the body wall. Serous membranes also prevent
the spreading of infection in one organ to others by compartmentalizing the various
organs.pel
What body cavity houses the female reproductive organs? - ANSWERpelvic
What body cavity/cavities are the most protective? - ANSWERdorsal body cavity,
cranial cavity, vertebral/spinal cavity
,Why is it helpful to study the external and internal structures of the rat? -
ANSWERMany external and internal structures of the rat are similar to those in the
human. Studying the rat can help understand our own structure.
stomach --> __________ cavity - ANSWERabdominopelvic
esophagus --> ____________ cavity - ANSWERthoracic
large intestines --> ____________ cavity - ANSWERabdominopelvic
liver --> __________ cavity - ANSWERabdominopelvic
spinal cord --> ___________ cavity - ANSWERspinal
urinary bladder --> ___________ cavity - ANSWERabdominopelvic
heart --> _____________ cavity - ANSWERthoracic
trachea --> __________ cavity - ANSWERthoracic
rectum --> __________ cavity - ANSWERabdominopelvic
____________ is affected by the removal of the thyroid gland - ANSWERendocrine
___________ protects underlying organs from drying out and from mechanical
damage - ANSWERintegumentary
___________ delivers oxygen and nutrients to the tissues - ANSWERcardiovascular
_____________ conserves body water or eliminates excesses - ANSWERurinary
_______________ protects the body destroys bacteria and tumor cells -
ANSWERlymphatic
Which muscle type is striated, has multiple nuclei, and is voluntarily controlled? -
ANSWERskeletal muscle
Which muscle type is striated, contains branching cylindrical cells, and has
intercalated discs? - ANSWERcardiac
Which muscle type changes the internal volume of an organ as it contracts? -
ANSWERsmooth
Describe the proper procedure for preparing a wet mount - ANSWER1. Object is
placed in a drop of water or saline on a clean slide.
2. Cover slip is held at 45 degrees angle with the fingertips
3. Later it is lowered over the water and object
, If the diameter of the high-power field is 1.2mm, an object that occupies
approximately a third of that field has an estimated diameter of ______ mm (Round
to nearest tenth) - ANSWER0.4
If a microscope has a 10X ocular lens and the total magnification at a particular time
is 950X, the objective lens in use at that time is ____X. - ANSWER95
Assume there is an object on the left side of the field that you want to bring to the
center (that is, toward the apparent right). In what direction would you move your
slide? - ANSWERleft
A student has the high-power lens in position and appears to be intently observing
the specimen. The instructor, noting a working distance of about 1 cm, knows the
student isn't actually seeing the specimen. How so? - ANSWERA high power lens's
working distance should be much smaller, usually less than 1 cm. Therefore, the
instructor knows the student isn't actually seeing the specimen and what they are
viewing is out of focus.
Which structure organizes the mitotic spindle during cell division? -
ANSWERcentrisome/centriole
Which structure produces ATP for the cell? - ANSWERmitochondrion
Which organelle renews the cell membrane and modifies and packages proteins for
secretion? - ANSWERgolgi apparatus
prophase - ANSWER
What is the physical advantage of the chromatin's coiling and condensing to form
short chromosomes at the onset of mitosis? - ANSWERShort and compact bodies
are easier to manipulate during mitosis rather than long chromatin threads
The nuclear envelope re-forms - ANSWERtelophase
The mitotic spindle forms - ANSWERprophase
Centrioles replicate - ANSWERinterphase
The chromosomes are V shaped - ANSWERanaphase
DNA replication occurs - ANSWERS phase
A semipermeable sac filled with a solution containing 4% NaCl, 9% glucose, and
10% albumin is suspended in a solution with the following composition: 10% NaCl,
10% glucose, and 40% albumin. Assume that the sac is permeable to all substances
except albumin. State whether each of the following will (a) move into the sac, (b)
move out of the sac, or (c) not move
-glucose
-water
