Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Bakken Comp Anat > Final Comparative Anatomy > Flashcards

Final Comparative Anatomy Flashcards

1
Q 
Which of the following groups of fishes would be expected to have a swim bladder?
A. Sharks
B. Open Water Swimming Teleosts
C. Bottom dwellers
Lung fishes
A

B. Open Water Swimming Teleosts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Bidder’s Organ found in which organism, and what is it?

A

Male frog, ovary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q 
The SCM and trapezius in mammals are innervated by which of the following nerves 
	A. CN V
	B. CN IX
	C. CN X
        D. CN XI
A

CN XI: Spinal Accessory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which of the following descriptions best describes postganglionic neurons?

A. Myelinated with cell bodies located in gray matter of ventral horns
B. Unmyelinated with cell bodies located in gray matter of lateral hors
C. Unmyelinated with cell bodies located in ganglia
D.Myelinated with cell bodies located in ganglia

A

C. Unmyelinated with cell bodies located in ganglia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q 
In the general organization of the CNS, motor paths could be mostly associated with which of the following areas?
A. Alar plates
B. Roof Plates
C. Basal Plates
D. Floor Plate
A

C. Basal Plates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q 
In the general organization of the CNS, sensory paths could be mostly associated with which of the following areas?
A. Alar plates
B. Roof Plates
C. Basal Plates
D. Floor Plate
A

A. Alar plates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Vagal lobes in the myelencephalon of teleosts are associated with which of the following functions?

a. Smell
b. Taste
c. Balance
    d. Equilibrium
A

b. Taste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The thalamus is a collection of nuclei which serve as relay stations for a variety of motor and sensory information. Which the following nuclei relay information to the visual cortex?

a. Mammillary bodies 
b. Medial geniculate bodies
c. Lateral geniculate bodies
    d. Suprachiasmatic nuclei
A

Lateral geniculate bodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Corpora quadrigemina first appear in which of the following groups?

a. Lizards 
b. Snakes
c. Primates
    d. Ungulates
A

snakes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which of the following groups would have the largest optic lobes relative to the overall size of the brain?

a. Mammals
b. Teleosts
c. Reptilians
   d. Birds
A

D. Birds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q 
In the developing mammalian heart, which of the following areas of the cardiac tubes has the fastest intrinsic rate of pulsation?

a. Left ventricle region
b. Right ventricle region
c. Future atrial region
d. Sinuous venosus
e. Left common cardinal region
A

d. Sinuous venosus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In crocodilians, the foramen of Panizzae connects which of the following pairs of vessels?

A. L and R aortic arches
B. R aortic arch and the pulmonary trunk
C. L aortic arch and the pulmonary trunk
D. L and R pulmonary trunks
E. L 4th aortic arch and left carotid arch

A

A. L and R aortic arches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q 
A completely subdivided atrium first appears win which of the following groups of vertebrates?
A. Sharks 
B. Lung fishes
C. Amphibians
D. Turtles
E.  Crocodilians
A

C. Amphibians

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q 
Which of the following aortic branches are classified as lateral intersegmental branches?
a. Subclavians
b. Iliacs
c. External carotids
d. Renals
E. Hepatics
A

d. Renals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q 
Which of the following pairs of aortic arches is associated with the formation of internal carotids in tetrapods?

A.first
B. second
C. Third
D. Fourth
E. Fifith
F. Sixth
A

C. Third

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q 
Which of the following pairs of aortic arches is lost in all extant adult vertebrates?

A.first
B. second
C. Third
D. Fourth
E. Fifth
F. Sixth
A

A. first

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which new pair of veins form the renal portal system?

A

Posterior Cardinal veins (CORRECTED AS PER DR.A’s REVIEW)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

In mammalian embryos a patent ductus arteriosus connects which of the following vessels?

A

Left fourth aortic arch and the sixth aortic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What are associated with the semilunar valves, slowest intrinsic rate?

A

conus arterioisus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

In a turtle’s heart, when oxygenated blood is pumped into the L ventricle, where is it
shunted?-

A

cavum venosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which structures in a fetal heart are used to bypass the lungs?-

A 
ductus arterious and
foramen ovale (2 of 3 choices)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

A completely subdivided atrium first appears in which of the following groups?-

A

amphibians

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which vertebrate has lungs but mostly uses skin for gas exchange?

A

amphibians

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Hemibranch is which of the following?-

A

the septum is covered only on one side by gill Lamelle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
In Actinoptyergin, the pneumatic duct comes off which part of the pharynx?
The ventral | floor of the pharynx
26
Which of these is most likely to have a swim bladder?
open water teleosts
27
What supplies the entire lung?
primary bronchus
28
What supplies the lobes of the lungs?
secondary bronchus
29
What supplies the lobules?
tertiary bronchus
30
Which of the following best describes post ganglionic neurons?-
unmyelinated with cell bodies in ganglia
31
What is an aggregation of dendrites and nerve cell bodies in the CNS?
nucleus
32
What mylenates axons of the CNS?
oligodendrocytes
33
what mylenates axons in the PNS?
Schwann Cells
34
The 3r d ventricle is a derivative of the lumen of which part of the pentapartate brain?-
diencephalon
35
In the general organization of the central nervous system motor paths would be mostly associated with which of the following areas?
- basal plates
36
In the general organization of the central nervous system sensory paths would be mostly associated with which of the following areas?
- alar plates
37
Optic lobes are a derivative from the roof of which part of the pentapartae brain?-
mesencephalon
38
The thalamus is the collection of nuclei which serve as relay stations for a variety of motor and sensory nuclei. Which if the following nuclei relay info into the visual cortex?-
lateral geniculate body
39
Which of the following regulates the ANS and regulates the gonads and pituitary glands via neurohormones?-
hypothalamus
40
corpora quadregemina first appears in which group?
snakes
41
Which of the following groups have the largest optic lobes relative to the overall size of the brain?
birds
42
Which of the following is the original cephalic boundary of the neural tube?-
lamina | terminalis of the mesencephalon
43
Vagal lobes in the myencephalon of teleosts are associated with which of the following?-
taste
44
Edinger Westfall nucleus
pre ganglionic go from here to the ciliary ganglion to the sphincter pupillae- part of the GVM)
45
The sternocleidomastoid and the trapezius in mammals are innervated by which of the following nerves?-
CN XI
46
In the general organization of the central nervous system motor paths would be mostly associated with which of the following areas?
basal plates
47
What is the right order from inner to outer of the gut tube?
submucosa, circular muscle layer, longitudinal muscle layer, and serosa
48
What part of the gut is the serosa replaced with adventitia?
esophagus
49
what is used to store seeds and grain
crop
50
What uses a spiral valve (increase SA for absorption without increasing length of the intestine for absorption) for digestive system?-
shark
51
Which of these has the thecodont dentition?
crocodilians
52
A zero in the dental formula is called:
diastema
53
what animal does not have canines?
SQUIRREL!
54
Proper occlusion occurs when which of these occurs?
The protocone of the corresponding upper molar bites into the talonid of the lower molar
55
Ammonotelic organisms?
fresh water teleosts and lungfishes
56
functional kidney in most vertebrate embryos?
mesonephros
57
functional kidney in larval amniotes?
mesonephros
58
Primitive nephrons of freshwater teleosts have what components?
large renal corpuscle and mesonephros
59
``` If the proneprhos does not develop which one of these also does not develop? A. mesonephric duct B. mesonephric kidney C. metonephric kidney D. All fo the above ```
all of the above
60
Which of the following is the functional kidney in larval fishes and amphibians, and adult primitive fishes?-
pronephros
61
The metanephric diverticulum found in the metanephros is derived from what?–
partial | evagination of the mesonephric duct
62
Lack of the SRY gene causes which of the following to occur?-
formation of the ovaries
63
What does the paramesonephric/Mullerian duct and the absence of the SRY gene give rise to, also Mullerian ducts degenerate in males?-
oviducts
64
which layer forms ovary?
outer cortex
65
If you have maximal fusion of the distal end of the Mullarian, what do you form?-
Simplex | uterus
66
Which of the following conveys sperm from the interior to the exterior?-
Rete cords
67
Genital swelling results in formation of what?
scrotum - males | labium majora - females
68
The 6th pair of aortic arches are associated with:
pulmonary system in tetrapods
69
Pleurodont teeth style:
sides of jawbones, no sockets, some lizzards
70
Acrodont:
no sockets, reptiles
71
Gizzard:
grinding of grain, birds
72
Pseudobranch:
receives oxygenated rather than deoxygenated blood
73
holobranch:
gill septum with gill lamellae on sides
74
Hepatic portal vein becomes:
right vitelline vein
75
Genital folds form what in males/females
THe more medial paired genital fold will fuse in the male to form the shaft of penis, remains unfused in female to form labia minora
76
The genital tubercle forms:
glans penis in male, and clitoris in female
77
marsupials, rodents and bats have what type of uterus?
duplex uterus: two separate chambers, each may open into separate vagina.
78
Embryos develop where:
cornua
79
Outer to inner layers of gut tube:
``` serosa Longitudinal Smooth m layer Myenteric plexus (of auerbach) Circular smooth muscle Meissner's plexus submucosa Mucosa ```
80
cingulum
accessory ridge of enamel around the margins of the cheek teeth
81
style
vertical ridge around the margin of a cheek teeth
82
In ray fins: Optic vesicles become retinas of the eye and become associated with
diencephalon
83
habenulae associated with:
olfaction, and reflex associated with odors
84
Olfactory tract and bulbs develop as:
anterior extensions from the floor of the telencephalon
85
Which CN innervates the muscles of mastication?
CN V

Bakken Comp Anat (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions