Midterm

Question 0

What are the possible structures affected In a patient with CAVERNOUS SINUS THROMBOSIS ?

Answer 0

Structures passing thru each cavernous sinus:
internal carotid artery and abducent nerve (CN 6)

Structures in the lateral wall of each CS (superior to inferior) :
Oculomotor nerve (CN3) , trochlear nerve (CN4), ophthalmic division of trigeminal nerve (V1) and maxillary division of trigeminal nerve (V2)

Question 1

The major blood supply to the parathyroid glands comes from

Answer 1

inferior thyroid artery

Question 2

Sounds produced by the AORTIC VALVE can best be heard at

Answer 2

Always Pray To (have) Malik

Aortic - 2nd Intercostal Space, right parasternal
Pulmonic - 2nd Intercostal Space, left parasternal
Tricuspid - right half of the lower end of the sternum
Mitral - 5th ICS LMCL

Question 3

A perforating ulcer located at the lesser curvature of the stomach will most likely erode which branch of celiac artery

Answer 3

Left gastric artery

Question 4

A perforating ulcer located at the lesser curvature of the stomach will most likely erode which branch of hepatic artery

Answer 4

Right gastric artery

Question 5

A perforating ulcer located at the greater curvature of the stomach will most likely erode which branch of splenic artery

Answer 5

Left gastroepiploic artery

Question 6

A perforating ulcer located at the greater curvature of the stomach will most likely erode which branch of gastroduodenal-hepatic artery

Answer 6

Right gastroepiploic artery

Question 7

Carcinoma of the stomach is most commonly found at what part?

Answer 7

PYLORUS

Question 8

The cell organelle containing oxidative enzymes , synthesizing h2o2 and is involve in beta oxidation of long chain fatty acids

Answer 8

Peroxisomes

Question 9

The most common site of aortic aneurysms:

Answer 9

Below the origin of the renal arteries
Just proximal to the bifurcation of the aorta at the level of L4 vertebra
*note: patients have pulsating mass at the midline

Question 10

What muscles are used upon plantar flexing the foot at the ankle joint

Answer 10

Gastrocnemius, soleus, and plantaris
They provide the main propulsive force in walking and running. They are supplied by the tibial nerve, with nerve root coming from S1 and S2.

Question 11

FORWARD sliding of the TIBIA on the FEMUR due to rupture of the ANTERIOR CRUCIATE LIGAMENT.

Answer 11

Positive anterior drawer sign

Note: TIBIA IS FRONT!

Question 12

BACKWARD sliding of the Tibia on the femur caused by rupture of the posterior CRUCIATE ligament.

Answer 12

Posterior drawer sign

Note: TIBIA AT THE BACK!

Question 13

Part of the anal canal that is thrown into vertical mucous folds

Answer 13

Upper half of the anal canal

Question 14

A line that indicates the level where the two parts of anal canal join together.

Answer 14

Pectinate line

Question 15

Part of the anal canal that is sensitive to pain, temp., touch and pressure (somatic sensory innervation)

Answer 15

Lower half of the Anal canal

Question 16

Lymph drainage of the lower half of the anal canal

Answer 16

Medial group of the superficial inguinal nodes

Question 17

Blood supple of the lower half of the anal canal

Answer 17

Inferior rectal artery - a branch of the internal pudendal artery

Question 18

A normal individual will USUALLY have how many parathyroid glands

Answer 18

Four
Note:
Parathyroid glands can be as numerous as 7 in a normal individual.

Question 19

Venous drainage of the posterior ventricular walls including the posterior interventricular septum drain directly to

Answer 19

Middle cardiac vein

Question 20

Four tributaries of the coronary sinus

Answer 20

Great, middle, small and posterior cardiac veins

Question 21

What are the 4 areas focused on performing non-invasive procedure for abdominal blunt trauma - FAST

Answer 21

It includes views of (1) the hepatorenal recess (Morison pouch), (2) the perisplenic view, (3) the subxiphoid pericardial window, and (4) the suprapubic window (Douglas pouch).

Question 22

is a quick, reliable, non-invasive procedure that can facilitate a timely diagnosis for patients with blunt abdominal trauma.

Answer 22

Focused assessment with sonography in trauma (FAST)

Question 23

One of the the terminal nerves of the brachial plexus which is also the motor innervation on the anterior compartment of the arm and important in flexing the elbow joint and supinating the forearm

Answer 23

Musculocutaneous nerve

Question 24

It is in the posterior triangle of the neck by the union of the anterior rami of C5 to C8 and T1.

Answer 24

Brachial plexus

Question 25

One of the the terminal nerves of the brachial plexus which is also the motor innervation on the intrinsic muscles of the hand

Answer 25

Ulnar nerve

Question 26

One of the the terminal nerves of the brachial plexus which is also the motor innervation on the deltoid and teres minor

Answer 26

axillary nerve

Question 27

One of the the terminal nerves of the brachial plexus which is also the motor innervation on the posterior/extensor compartment of arm and forearm

Answer 27

radial nerve

Question 28

One of the the terminal nerves of the brachial plexus which is also the motor innervation on the anterior/flexor compartment of the forearm except flexor carpi ulnaris and flexor digitorum profundus; median half of the medial cord

Answer 28

median nerve

Question 29

Part of the The utricle and saccule which functions during the linear acceleration of the head and with the effects of the pull of gravity.

Answer 29

static labyrinth

Question 30

Part of the the semicircular canals which is important in angular deceleration and acceleration; it has no otoliths.

Answer 30

kinetic labyrinth

Question 31

stores mature spermatozoa

Answer 31

epididymis

Question 32

Structures that can be palpated during DRE:

Answer 32

rectovesical pouch, full bladder, seminal vesicles, displaced or enlarged ductus deferentes, membranous part of urethra when catheterized, and bulbo-urethral glands; ischial tuberosity and spine and sacrotuberous ligament; pelvic surface of sacrum and coccyx. In females, vagina, cervix, ostium uteri, body of uterus when retroverted, recto-uterine fossa, and, pathologically, broad ligaments, uterine tubes, and ovaries.

Question 33

Produce secretions added to the seminal fluid and important in sperm nourishment

Answer 33

Seminal vesicle

Question 34

Blood supply of the seminal vesicles

Answer 34

Inferior vesicle artery | Inferior rectal arteries

Question 35

An outstretched hand causing hyperextension of the wrist joint resulting to numbness and pain over the palmar aspect of his right thumb, index and middle finger is due to

Answer 35

Carpal tunnel syndrome (median nerve DISTAL LESION) | DISLOCATED LUNATE BONE

Question 36

altered cutaneous sensation on the lateral 3 and 1/2 digits of the hand; a patient may also exhibit weakness in opposition of the thumb which remains adducted and extended as a result, so called "ape" hand.

Answer 36

distal lesion of the median nerve (true also in carpal tunnel syndrome)

Question 37

supracondylar fracture of the humerus or from compression between the pronator teres leading to the the condition "hand of benediction" - with the index and middle fingers remained extended when attempting to flex.

Answer 37

proximal lesion of the median nerve

Question 38

Positive inotropic effect of cardiac glycosides is explained by

Answer 38

Inhibitory effect Na/k ATPase

Question 39

Receives stimulus for the chemoreceptors reflex

Answer 39

Carotid bodies