Intro and Body Wall

Question 1

Name the components of embalming solution.

Answer 1

phenol

alcohol

glycerine

formaldehyde (less than 5%)

Question 2

What is the role of the cutaneous branches?

Answer 2

cutaneous branches provide sensory innervation to the skin of the anteror and lateral body wall

Question 3

What are the attachments of the pectoralis major, and what is its function?

Answer 3

it origniates on the sternum and clavicle and inserts on the neck of the humerus

it adducts and medially rotates the arm at the shoulder joint

Question 4

body wall

Answer 4

portion of the body that forms the external body surface and encloses the body cavity

Question 5

layers of the superficial body wall

Answer 5

epidermis of the skin (epithelium)

dermis of the skin (dense irregular C.T.)

superficial fascia (loose C.T. with fat)

Question 6

layers of the deep body wall

Answer 6

deep (investing fascia (epimysium)

skeletal muscle and bone

parietal layer of celom lining (pleura/peritonneum - simple squamous epithelium)

Question 7

tissues that make up the mammary gland

Answer 7

glandular tissue, fat, and C.T.

Question 8

rectus abdominus

Answer 8

runs lingitudinally along the middle of the body, best developed in the abdomen

Question 9

aponeuroses

Answer 9

fibers of which interdigitate in the midline, forming the linea alba

Question 10

functions of the core muscles

Answer 10

core stability

trunk mobility

protect the viscera

raise intra-abdominal pressure

depress the ribcage during forced expiration

Question 11

How many rami and cutaneous branches does a typical spinal neve have?

Answer 11

two rami and three cutaneous branches

Question 12

incisional hernia

Answer 12

occurs when the bowel protrudes through a defect or weakness resulting from a surgical incision, it appears as a bulge near a surgical scar on the abdomen

Question 13

diastasis recti

Answer 13

occurs when the bowel protrudes thruogh a separation between the two rectus abdominis muscles, appears as a midline ridge

Question 14

inguinal canal

Answer 14

a slit-like passage through the inferior abdominal wall that begins at the deep inguinal ring and ends at the superficial inguinal ring

Question 15

primary body cavities

Answer 15

thoracic cavity and abdominopelvic cavity

Question 16

celom derivative cavities

Answer 16

pleural cavity, pericardial cavity, and peritoneal cavity

Question 17

camper’s fascia

Answer 17

a loose connective tissue with a high fat content; in histology it is called the hypodermis

Question 18

scarpa’s fascia

Answer 18

a membranous layer of fascia deep to the superficial fascia that is thickest in the lower abdomen

Question 19

four groups of muscle in the body wall

Answer 19

rectus series

external, internal, and transverse concentric layers

Question 20

function of the rectus abdominus

Answer 20

flexes the trunk

Question 21

function of the abdominal oblique

Answer 21

muscles on both sides contract to flex the trunk; laterally bend and flex the trunk or rotate it to the opposite side of the contracting muscle

Question 22

function of the internal abdominal oblique

Answer 22

both sides together flex the trunk, one side laterally bends bends the trunk or rotates it to the same side

Question 23

function of the transverse abdominis

Answer 23

compresses the abdominal viscera

Question 24

function of the external intercostal

Answer 24

elevates ribs in forced inspiration and maintain rigidity of the intercostal space

Question 25

function of the internal intercostal

Answer 25

abdominal oblique; functions to depress ribs in forced expiration and maintain rigidity of intercostal space

Question 26

innervation of the body wall

Answer 26

vetral rami of the spinal nerves