OSPE Anatomy Flashcards

0
Q

In which direction do the fibres run in the external oblique muscle?

A

Caudoventrally (from cranial to caudal)

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

Where do the cranial 2 pairs of mammary glands receive their blood supply from?
Where do the caudal 3 pairs receive their blood supply from?

A

Superficial cranial epigastric artery (branch of internal thoracic artery)

Superficial caudal epigastric artery (branch of external pudendal artery)

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

In which direction do the fibres run in the internal oblique muscle?

A

Cranioventrally (from caudal to cranial)

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

Which ligament runs within the falciform ligament in the bitch?

A

Round ligament (remnant of umbilical vein)

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

What is the name of the potential space between the 2 layers of greater omentum?

A

Omental bursa

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

What is the name of the only opening to the omental bursa?

Where is it situated in the abdomen and what is it bordered by?

A

Epiploic foramen
Cranioventral abdomen
Bordered by hepatic portal vein, liver and caudal vena cava

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The mesentery of the jejunum contains many what?

A

Lymph nodes
Situated near the body wall
Associated with the blood vessels that drain the gut

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

How can you identify the ileum from the jejunum?

A

Short (15cm)

Only part of intestines to have antimesenteric blood vessels

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

What shape is the colon?

A

Question mark

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

Of the 2 kidneys, which is more cranial?

A

Right

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

Where are the adrenal glands?

A

They lie craniomedially to their respective kidney

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the function of the platysma muscle?

Which nerve innervates it?

A

Draws the commisure of the lips caudally

Cervical branch of facial

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

What kind of salivary gland is the parotid salivary gland?

A

Serous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What kind of salivary glands are the mandibular, sublingual and zygomatic glands?

A

Mixed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The mandibular lymph nodes lie either side of which vein?

A

Facial vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Where is the zygomatic salivary gland located?

A

Base of the orbit, medial to the zygomatic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

In the radius, is the styloid process situated medially or laterally?

A

Medially

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

Why do horses have very large transverse processes?

A

To support the large GI tract

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

On the humerus, is the trochlea situated medially or laterally?

A

Medially

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

In the dog, which process prevents backwards movement of the jaw?

A

Retroarticular process

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

What part of the humerus does the radius articulate with?

A

Trochlea and capitulum

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

Of the tibia and fibula, which is medial?

A

Tibia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What are the 2 components of an invertebral disc?

A
Nucleus pulposus (soft centre)
Annulus fibrosis (dense fibrous tissue)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the large hole lateral to the tympanic bulla?

A

External auditory meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
What are the 2 holes in the hard palate called? | What lies within them?
Palatine fissures | Vomeronasal organ
25
What is the chief function of the: Dorsal meatus Middle meatus Ventral meatus
Dorsal=olfaction (leads to caudal dorsal nasal cavity) Middle=communicates with maxillary sinus Ventral=main route of inspired air to lungs
26
What runs through the cribriform plate?
Branches of the olfactory nerve
27
What is a sinus?
An air-filled diverticulum of the nasal cavity
28
Does the frontal sinus communicate with any other cavity in the carnivore? Where is the opening?
Yes-directly with the nasal cavity | Between the ethmoturbinate bones at the caudal end of the nasal cavity
29
If an adult animal is dehorned, water vapour can sometimes be seen escaping from the horn stump when breathing, why?
Frontal sinus is continuous with nasal cavity
30
What part of the brain needs destroying to cause rapid death?
Medulla oblongata
31
What nerves innervate the lining of the frontal sinus?
Opthalmic branch of trigeminal
32
Which teeth would the rostral maxillary sinus give access to in the horse?
Cheek teeth 4 and 5
33
Name 2 features of the maxillary sinus that make it prone to infection
Frontal sinus drains into it | Close association with upper cheek teeth, so tooth root infection can break through alveolar bone into maxillary sinus
34
What structure passes through the infraorbital canal (bony tube within the maxilla)? Where does it exit?
``` Infraorbital nerve (branch of maxillary trigeminal) Infraorbital foramen ```
35
Why might you open up a trephine hole in a horse?
Drain infection of sinus | Remove broken/infected tooth
36
Which bones are shortened in a brachycephalic skull?
Frontal, maxilla, palatine, nasal, incisive
37
Why could pressure on the muzzle of a brachycephalic dog be dangerous?
Could occlude nasal airway as extra soft tissue and lack of bony support would block nostrils. If mouth is held shut, dog can't breathe
38
What epithelium is present on the soft palate: Respiratory surface Oral surface
Respiratory=Pseudostratified columnar ciliated epithelium with goblet cells Oral=stratified squamous epithelium with rete pegs for anchorage
39
What word means variation in colour of red blood cells?
Polychromasia
40
What word means variation in size of red blood cells?
Anisocytosis
41
What word means variation in shape of red blood cells?
Poikilocytosis
42
Taste buds contain which kind of glands?
Serous
43
In terms of anaesthesia, why is an inhalational agent safer than an intravenous agent?
Intravenous agents require metabolism (usually by liver) to deactivate the agent and allow the animal to regain consciousness whereas with an inhalational agent, just by stopping delivery of the inhalational agent allows the animal to regain consciousness
44
What does inhalational anaesthetic consist of?
An appropriate controlled level of inhalational agent mixed with oxygen
45
What are the 5 principal components of an anaesthetic machine?
1. Fresh gas supply (oxygen) 2. Flow meter with bypass valve (to deliver fresh oxygen without inhalational agent direct to the patient in case of emergency) 3. A vaporiser (mixes an appropriate controlled level of inhalational agent with oxygen to maintain general anaesthesia) 4. A breathing circuit with a pressure relief valve (interface between patient and anaesthetic machine) 5. A scavenging system to remove exhaled gases away from the vet’s environment
46
What are the 2 types of breathing circuits?
Re-breathing (patient re-breathes expired gas, contains higher levels of CO2 which must be extracted before patient rebreathes expired gas. Economical but high resistance, therefore only suitable for patients over 25kg) Non re-breathing (expired gas is flushed out of circuit uneconomical but low resistance, therefore suitable for patients under 25kg)
47
What removes CO2 from expired gas so that it's safe to be re-breathed?
Soda lime cannister
48
Parallel lack is a modification of which non rebreathing circuit?
Mapleson A
49
What are the 2 non-rebreathing circuit modifications and which mapleson circuits are they modifications of?
``` Parallel lack (Mapleson A-2 parallel tubes) Co-axial Bain (Mapleson D-fresh gas tube is within expired gas tube) ```
50
What is minute volume? (Anaesthetic equipment) What is a good approximation of this?
Volume of gas expired per minute | 200mls/kg/min
51
By how many times must flow rate exceed minute volume? | Mapleson A, D and F
Mapleson A: 1 x minute volume Mapleson D: 2 to 2.5 x minute volume Mapleson F: 2.5 to 3 x minute volume
52
What is a consequence of having a flow rate that's too high?
Wasteful-fresh gas is wasted
53
What is a consequence of having a flow rate that's slightly low?
There is some dead space gas, but this is acceptable
54
What is a consequence of having a flow rate that's too low?
Alveolar gas is not flushed out, it is dangerous to breathe this back in
55
How do ventral turbinates differ in horses and dogs?
Bottom scroll is missing in horse | In the dog, there are extra scrolls on the main scroll
56
What are the 4 attachments of the ovaries?
Ovarian ligament-attaches ovary to lateral body wall at caudal pole of kidney. Contains ovarian artery and vein so must be ligated in spay Mesosalpinx-attaches ovary to uterine tube (part of broad ligament) Suspensory ligament-attaches ovary to lateral body wall at caudal pole of kidney, must be broken in bitch spay to expose the ovary Proper ligament of ovary-attaches ovary to cranial end of uterine horn
57
How does the uterus attach to the lateral body wall?
Broad ligament (mesometrium)
58
Which muscles form the pelvic diaphragm?
``` Levator ani Coccygeus Rectococcygeus Internal and external anal sphincters Internal obturator ```
59
What supplies blood to the penis?
Internal pudendal artery
60
What are the muscles of the penis?
Retractor penis muscle Ischiocavernosus muscle Bulbospongiosus muscle