Block 1 Questions Flashcards Preview

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Flashcards in Block 1 Questions Deck (36):
1

What fibers are found in the vagus nerve?

preganglionic parasympathetic

2

Scoliosis has the greatest effect on this muscle with the greatest moment arm

Iliocostalis

3

What muscle supports the spine but does not contribute to movement?

Multifidus

4

Two football players collide and cause what type of force?

shear force

5

How does a muscle affect a joint?

line of pull

6

Crossing the arms opens the triangle of auscultation by doing what?

displacing the medial border of the scapula

7

Immobilization of the arm and scapula, the dorsoscapular nerve produces what?

lateral flexion of the neck

8

Lateral flexion of the neck is coupled with what?

ipsilateral rotation

9

Cervical articulation facet joints

45 degrees with 0 degrees of rotation

10

Spinal nerve between C6-C7?

C7

11

Axial CT scan of back has an arrow pointing to?

ligamentum flavum

12

Injury during MVA to ligaments that restrict lateral flexion

intertransversarii

13

Arterial supply to the middle of the vertebral body?

spinal artery

14

Cheapest imaging?

Radiograph

15

Least amount of radiation?

MRI

16

Needle biopsy of mass giving real time visualization?

ultrasound

17

Needle biopsy of mass giving real time visualization?

ultrasound

18

Where does the arachnoid end?

S2

19

To relax/stretch the hamstring using strain, what receptor do you exploit?

GTO of the hamstring

20

Norepinephrine is the NT?

postganglionic sympathetic

21

Where are the cell bodies of the preganglionic sympathetic

lateral horn T1-L2

22

When does crossing over occur?

prophase 1

23

Duration of pregnancy starting from last menstrual period?

40 weeks

24

Positive pregnancy test, but no embryologic development results from?

Hyatidiniform mole

25

Where is an oocyte fertilized?

Uterine tube

26

What does the acrosomal reaction do?

prepares it to penetrate the zona pellucida

27

Phenotypical female with 45 chromosomes and only 1 x?

Turner syndrome

28

DNA duplicates during which phase?

interphase

29

Herniation at the right side of L5/S1 affects which nerve?

right L5

30

Which germ layer do the CNS and PNS come from?

ectoderm

31

The vertebral column comes from what?

paraxial mesoderm

32

Sacrococcygeal teratoma arises from what?

proliferation of remnants of the primitive streak

33

Chronic pain. Surgery needs to cut something to eliminate the sensory but maintain the motor.

cut the dorsal root (dorsal is sensory, ventral is motor)

34

Pain and temperature are part of what tract?

contralateral spinothalmic tract

35

Spastic paralysis after diving, which neuron is damaged?

upper motor neuron

36

Trauma to the C1 transverse process affects which muscle the most?

Obliquus capitis superior (obliquus capitis inferior also attaches here)