Physiology Exam Retake

Question 1

Broca’s Area

Answer 1

Motor Function and Speech
ie: Inability to form sentences or words

Frontal lobe

Question 2

Wernicke’s Area

Answer 2

Ability to understand, but cannot formulate proper sentences “word salad”

Temporal lobe

Question 3

Substantia Nigra

Answer 3

Nucleus in the midbrain and is part of the basal ganglia.

Degeneration of the substantia nigra results in Parkinson’s Disease

Question 4

Role of the Spleen

Answer 4

• All = TRUE*

Site for immune surveillance and response

Removes debris, foreign matter, toxins, bacteria, viruses, old blood cells

Readily subject to rupture from mechanical trauma
Lymphatics - filtration process

Spleen - helps with filtration process

Graveyard for RBC - important for immune system and RBC recycling

Question 5

Type 4 Hypersensitivity

Answer 5

Cell Mediated Reaction (transplant - kidney)

Question 6

What region of the brain is responsible for understanding language, human behaviour, memory and hearing?

Answer 6

Temporal Lobe

Question 7

Cranial Nerves are associated with the..

Answer 7

Brainstem

Question 8

A lady is applying make up, but only applies it to the left side of her face. Where is the lesion?

Answer 8

The opposite side of the brain/face she is NOT applying it to.

Question 9

Right heart failure

Answer 9

Peripheral Congestion

Left = pulmonary congestion

Question 10

Mast Cells

Answer 10

Associated with Tuberculosis

Question 11

CD4+

Answer 11

HIV / AIDS

Question 12

Role of the cerebellum

Answer 12

To maintain muscle tone,
Coordinate muscle movement,
Posture and control
Balance/equilibrium

Question 13

Injury to lower back caused when reaching?

Answer 13

S1 radiculopathy (compression of the nerves)

Question 14

Patient is presenting with lack of facial expression, stooped gait and smaller handwriting

Answer 14

Affects the basal ganglia (symptoms of Parkinson’s Disease)

Question 15

What part of the brain is responsible for joint positioning and placement?

Answer 15

Cerebellum

Question 16

Brown-Sequard Syndrome

Answer 16

Motor & Vibration/Proprioception - SAME SIDE

Pain/Temp - OPPOSITE SIDE

Question 17

Motor Vehicle Accident causing a Central Cord Injury

Answer 17

Bilateral Lower Motor Loss

Pec Level Pain/Temp Lost

Question 18

Motor Vehicle Accident causing a Central Cord Injury

Answer 18

Bilateral Lower Motor Loss

Pec Level Pain/Temp Lost

Question 19

Diabetic Neuropathy

Answer 19

Peripheral Neuropathy

Pain or loss of sensation in a glove and stocking distribution (hands and feet affected before arms and legs).

Question 20

Guillan Barre Syndrome

Answer 20

Acute rapidly evolving polyneuropathy that often starts in the distal lower limbs and ascends

Occurs AFTER a series of infections

Question 21

Absent P Waves on ECG

Answer 21

Atrial Fibrillation

Question 22

Absent QRS waves on ECG

Answer 22

Ventricular Fibrillation

Question 23

Constrictive Pericarditis

Answer 23

JVD
Pericardial Knock
Neck vein distention upon inhalation

Question 24

Patient presents with a heart rate below 60 bpm

Answer 24

SA Node {pacemaker affected}

Question 25

What artery supplies SA Node?

Answer 25

RCA

Question 26

Role of platelets

Answer 26

First to the scene after a cut or scrape.

Question 27

Which immunoglobulin has the ability to cross the placenta?

Answer 27

IgG

Question 28

What cells will be present during chronic inflammatory reactions that persist for 2+ days?

Answer 28

Mononuclear cells, macrophages, lymphocytess, plasma

Question 29

What cells will be present after 48 hours during an inflammatory reaction?

Answer 29

Macrophages

Question 30

Mast Cells

Answer 30

Associated with TB

Question 31

HIV / AIDS

Answer 31

CD4