Unit 1 Exams

Question 1

The ___ are specialized cells of the epidermis that produce a protein to help waterproof the skin.

Answer 1

Keratinocytes

Question 2

Moving the ankle to point the toes upward is?

Answer 2

Dorsiflexion

Question 3

The cranial bones articulate at?

Answer 3

Sutures

Question 4

Which of the following ligaments attaches the transverse process of the fifth lumbar vertebra to the ilium?

Answer 4

Iliolumbar

Question 5

The zygapophyseal joints are structurally synovial ___ joints.

Answer 5

Planar

Question 6

In layer six of the back muscles, the Semispinalis muscle spans ____ segments to attach the transverse process to the spinous process.

Answer 6

5-6

Question 7

Which of the following muscles help to elevate the ribs?

Answer 7

Levator costarum

Question 8

The Schwann cells from the ____ sheath around the axons of peripheral nerves.

Answer 8

Myelin

Question 9

Ventral rami form all of the following pelexuses, EXCEPT the ___ plexus.

Answer 9

Thoracic

Question 10

The C5 spinal nerve passes through the intervertebral foramen formed by the vertebrae ___ and ___.

Answer 10

C4; C5

Question 11

The filum terminale is a continuation of the?

Answer 11

Pia mater

Question 12

Why does the ligamentum flavum appear yellow?

Answer 12

It contain many elastin proteins

Question 13

At birth the spine follows the primary curvature. After several months, secondary curvatures begin to develop in the __ and __ regions.

Answer 13

Cervical; Lumbar

Question 14

The sixth rib articulates with the transverse process of the ___ thoracic vertebra

Answer 14

Sixth

Question 15

Which of the following muscles are innervated by the dorsal scapular nerve?

Answer 15

Rhomboid major m.

Question 16

The ___ is the delicate layer that supports each individual’s neuron’s axon.

Answer 16

endoneurium

Question 17

The layer of loose connective tissue containing blood vessels and nerves wraps around the fasicles within the muscle is the ___.

Answer 17

perimysium