2025 BIOD 152 FINAL EXAM (ACTUAL EXAM) |
ALL QUESTIONS AND CORRECT ANSWERS |
GRADED A+ | LATEST EXAM | VERIFIED
ANSWERS
Which of the following is true concerning speratogenesis?
A. Production of sperm takes 20 days
B. Spermatogenesis is complete at the time of birth
C. Males have all the sperm at birth that will be made during their lifetime
D. Each primary spermatocyte produces four viable gametes
E. Each gamete has a total of 46 chromosomes ---------CORRECT
ANSWER-----------------D. Each primary spermatocyte produces four viable
gametes
Discuss in detail the action of sperm needed to fertilize an egg ---------
CORRECT ANSWER-----------------The egg releases chemicals that attract
the sperm. Sperm cells release enzymes that break apart of the corona
radiata, follicle cells surrounding the egg. Once this is accomplished, more
sperm release acrosomal enzymes that make a hole in the membrane of
the egg, allowing one sperm cell to combine with the egg. When the union
of egg and one sperm occurs, the membrane of the egg instantly
chemically changes, preventing other sperm from penetrating the egg
Which of the following is false concerning human cells
A. Haploid cells contain half the number of chromosomes
B. Diploid cells contain the full number of chromosomes
C. Gamete cells are haploid cells
D. A zygote has 23 chromosomes
E. A and B are false ---------CORRECT ANSWER-----------------D. A zygote
has 23 chromosomes
,Discuss the supportive cells of the blastocyte and their purpose during
pregnancy ---------CORRECT ANSWER-----------------Amnion: forms a sac
filled with fluid to cushion and protect the fetus
Placenta: is a temporary organ that carries out nutritive, respiratory,
excretory, and enfrocrine functions for the embryo
Umbilical cord: attaches the embryo to the placenta
Your elderly patient is discussing her vision problems. She describes her
vision as cloudy and dark. Her vision has progressively worsened over the
last year. What most likely is causing the vision problem? Explain your
reasoning.
A. Cataracts
B. Cranial nerve damage
C. Brain tumor in the occipital lobe
D. Medial rectus damage
E. Lateral rectus damage ---------CORRECT ANSWER-----------------A.
Cataracts, due to lens slowly becoming hardened overtime. Light is not
able to be refracted onto the retina
Which of the following statements is false regarding the external ear?
A. The lobule does not contain cartilage
B. The auricle funnels sound into the external acoustic meatus
C. The helix contains cartilage
D. The external acoustic meatus travels through the parietal bone ---------
CORRECT ANSWER-----------------D. The external acoustic meatus travels
through the parietal bone
(it travels through the temporal bone)
Which of the following statement is true regarding the middle ear?
A. It is filled with fluid
B. it is filled with air
C. The malleus recieves vibrations from the stapes
D. The stapes recieves vibrations from the cochlea ---------CORRECT
ANSWER-----------------B. It is filled with air
,Which of the following statements is true regarding the inner ear?
A. the organ of Corti is responsible for the body's auditory sense
B. it is filled with air
C. the cochlea is responsible for the body's vestibular sense
D. There are two semicircular canals which house sensory receptors --------
-CORRECT ANSWER-----------------A. The organ of corti is responsible for
the body's auditory sense
Sound waves are funneled in the ___1_____.
Vibrations push against the __2_____ which moves the ossicles.
The stapes pushes against the ___3____.
Movement of the ___4____ causes neurons to send impulses through the
__5___ to the brain.
A. Tympanic membrane
B. Auditory canal
C. Cochlear nerve
D. Stereocilia
E. Cochlear duct
F. Semicircular canals
G. Facial
H. Temporal lobe ---------CORRECT ANSWER-----------------Sound waves
are funneled in the auditory canal
Vibrations push against the Tympanic membrane. which moves the
ossicles.
The stapes pushes against the Cochlear duct.
Movement of the Stereocilia causes neurons to send impulses through the
Coclear nerve to the brain.
True or false: olfaction is a mechanical sense activated by
mechanoreceptors in the nasal mucous membranes ---------CORRECT
ANSWER-----------------False
, What are the primary odors in humans ---------CORRECT ANSWER----------
-------Floral
musky
pungent
putrid
A person cannot percieve tastes from the posterior portion of their tongue.
What nerve is most likely damaged ---------CORRECT ANSWER---------------
--Glossopharyngeal
A bolus is formed by what ---------CORRECT ANSWER-----------------tongue
The papillae that do not contain taste buds are ______ ---------CORRECT
ANSWER-----------------filiform papillae
A patient has lost his sense of taste following a TBI. What term should be
documented to describe his loss of taste ---------CORRECT ANSWER--------
---------Aguesia
True or false: the tongue contains nocireceptors and thermoreceptors in
addition to chemoreceptors ---------CORRECT ANSWER-----------------True
Describe the steps in the olfactory pathway. Begin in the nasal cavity and
end in the specific lobe of the brain. ---------CORRECT ANSWER--------------
----Chemicals dissolve in nasal mucosa
-Detected by olfactory receptors (bipolar cells)
ALL QUESTIONS AND CORRECT ANSWERS |
GRADED A+ | LATEST EXAM | VERIFIED
ANSWERS
Which of the following is true concerning speratogenesis?
A. Production of sperm takes 20 days
B. Spermatogenesis is complete at the time of birth
C. Males have all the sperm at birth that will be made during their lifetime
D. Each primary spermatocyte produces four viable gametes
E. Each gamete has a total of 46 chromosomes ---------CORRECT
ANSWER-----------------D. Each primary spermatocyte produces four viable
gametes
Discuss in detail the action of sperm needed to fertilize an egg ---------
CORRECT ANSWER-----------------The egg releases chemicals that attract
the sperm. Sperm cells release enzymes that break apart of the corona
radiata, follicle cells surrounding the egg. Once this is accomplished, more
sperm release acrosomal enzymes that make a hole in the membrane of
the egg, allowing one sperm cell to combine with the egg. When the union
of egg and one sperm occurs, the membrane of the egg instantly
chemically changes, preventing other sperm from penetrating the egg
Which of the following is false concerning human cells
A. Haploid cells contain half the number of chromosomes
B. Diploid cells contain the full number of chromosomes
C. Gamete cells are haploid cells
D. A zygote has 23 chromosomes
E. A and B are false ---------CORRECT ANSWER-----------------D. A zygote
has 23 chromosomes
,Discuss the supportive cells of the blastocyte and their purpose during
pregnancy ---------CORRECT ANSWER-----------------Amnion: forms a sac
filled with fluid to cushion and protect the fetus
Placenta: is a temporary organ that carries out nutritive, respiratory,
excretory, and enfrocrine functions for the embryo
Umbilical cord: attaches the embryo to the placenta
Your elderly patient is discussing her vision problems. She describes her
vision as cloudy and dark. Her vision has progressively worsened over the
last year. What most likely is causing the vision problem? Explain your
reasoning.
A. Cataracts
B. Cranial nerve damage
C. Brain tumor in the occipital lobe
D. Medial rectus damage
E. Lateral rectus damage ---------CORRECT ANSWER-----------------A.
Cataracts, due to lens slowly becoming hardened overtime. Light is not
able to be refracted onto the retina
Which of the following statements is false regarding the external ear?
A. The lobule does not contain cartilage
B. The auricle funnels sound into the external acoustic meatus
C. The helix contains cartilage
D. The external acoustic meatus travels through the parietal bone ---------
CORRECT ANSWER-----------------D. The external acoustic meatus travels
through the parietal bone
(it travels through the temporal bone)
Which of the following statement is true regarding the middle ear?
A. It is filled with fluid
B. it is filled with air
C. The malleus recieves vibrations from the stapes
D. The stapes recieves vibrations from the cochlea ---------CORRECT
ANSWER-----------------B. It is filled with air
,Which of the following statements is true regarding the inner ear?
A. the organ of Corti is responsible for the body's auditory sense
B. it is filled with air
C. the cochlea is responsible for the body's vestibular sense
D. There are two semicircular canals which house sensory receptors --------
-CORRECT ANSWER-----------------A. The organ of corti is responsible for
the body's auditory sense
Sound waves are funneled in the ___1_____.
Vibrations push against the __2_____ which moves the ossicles.
The stapes pushes against the ___3____.
Movement of the ___4____ causes neurons to send impulses through the
__5___ to the brain.
A. Tympanic membrane
B. Auditory canal
C. Cochlear nerve
D. Stereocilia
E. Cochlear duct
F. Semicircular canals
G. Facial
H. Temporal lobe ---------CORRECT ANSWER-----------------Sound waves
are funneled in the auditory canal
Vibrations push against the Tympanic membrane. which moves the
ossicles.
The stapes pushes against the Cochlear duct.
Movement of the Stereocilia causes neurons to send impulses through the
Coclear nerve to the brain.
True or false: olfaction is a mechanical sense activated by
mechanoreceptors in the nasal mucous membranes ---------CORRECT
ANSWER-----------------False
, What are the primary odors in humans ---------CORRECT ANSWER----------
-------Floral
musky
pungent
putrid
A person cannot percieve tastes from the posterior portion of their tongue.
What nerve is most likely damaged ---------CORRECT ANSWER---------------
--Glossopharyngeal
A bolus is formed by what ---------CORRECT ANSWER-----------------tongue
The papillae that do not contain taste buds are ______ ---------CORRECT
ANSWER-----------------filiform papillae
A patient has lost his sense of taste following a TBI. What term should be
documented to describe his loss of taste ---------CORRECT ANSWER--------
---------Aguesia
True or false: the tongue contains nocireceptors and thermoreceptors in
addition to chemoreceptors ---------CORRECT ANSWER-----------------True
Describe the steps in the olfactory pathway. Begin in the nasal cavity and
end in the specific lobe of the brain. ---------CORRECT ANSWER--------------
----Chemicals dissolve in nasal mucosa
-Detected by olfactory receptors (bipolar cells)
