Mod 3

Question 1

Simple squamous tissue

Answer 1

Single layer of flat thin cells found in the blood, lymphatic system, lungs, and ventral body cavities that permits simple diffusion

Question 2

Simple cuboidal

Answer 2

Single layer of cube shaped cells found in the kidneys, stomach, small intestines, female reproductive tract, and salivary glands
Function: secretion and absorption

Question 3

Simple columnar

Answer 3

Single layer of column shaped cells found in the digestive tract
Function: secretion of enzymes, mucus/other substances, and absorption

Question 4

Stratified squamous

Answer 4

Multiple layers of thin cells found in the skin (keratinized) and mouth, tongue, esophagus, and vaginal canal (non-keratinized)
Function: protect against wear and tear

Question 5

Pseudostratified

Answer 5

Single layer of cells varying in shape, size, and function found in the respiratory tract
Function: protection, secretion, movement of mucus

Question 6

Transitional

Answer 6

Multiple layers of cells changing from round to flat found in the urinary bladder
Function: allows for contraction and expansion

Question 7

Merocrine

Answer 7

Exocytosis; most common

Question 8

Apocrine

Answer 8

Cytoplasmic loss; mammary glands

Question 9

Holocrine

Answer 9

Cell destruction; sebaceous glands

Question 10

Exocrine glands

Answer 10

Release into ducts; merocrine, apocrine, holocrine

Question 11

Endocrine glands

Answer 11

Release into extracellular space

Question 12

Loose connective tissues

Answer 12

Areolar tissue, adipose tissue, reticular tissue

Question 13

Areolar tissue

Answer 13

Fills space between muscle fiber, support blood and lymphatic vessels, supports epithelial and nervous structures

Question 14

Adipose tissue

Answer 14

Holds fuel, fat storage, insulation, and cushioning

Question 15

Reticular tissue

Answer 15

Supporting framework

Question 16

Dense connective tissue

Answer 16

Dense regular, dense irregular, elastic connective tissue

Question 17

Dense regular

Answer 17

Strong attachment, resists mechanical force from 2 directions

Question 18

Dense irregular

Answer 18

Helps strengthen and support areas pulled in multiple directions

Question 19

Elastic connective tissue

Answer 19

Stabilizes vertebrae, shock absorption

Question 20

Supporting connective tissue

Answer 20

Cartilage and bone

Question 21

Cartilage

Answer 21

Support and reinforce, cushion, shock absorption

Question 22

Bone

Answer 22

Supports, protects, provides levers for muscles, and stores fat, calcium, and other minerals

Question 23

Fluid connective tissue

Answer 23

Blood and lymph

Question 24

Blood

Answer 24

Transport of gases, nutrients, and waste

Question 25

Lymph

Answer 25

Immune system monitor, maintains blood volume and homeostasis of blood solutes

Question 26

Mucous membrane

Answer 26

Lines compartments open to external environment Ex: digestive, respiratory, urinary, and reproductive Function: absorption, protection, and secretion

Question 27

Synovial

Answer 27

Lines joints of the body Ex: elbows and knees Function: reducing friction and distribute nutrients to collagen

Question 28

Serous

Answer 28

Lines body cavities not open to external environment Ex: thoracic, abdomenopelvic Function: reduces friction

Question 29

Integumentary system functions

Answer 29

Protection, excretion, maintain temperature, melanin production, water resistance, vit D synthesis, sensation

Question 30

Epidermis

Answer 30

Outermost region: contains stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum basale Protects against UV and water loss, and involved in keratin and melanin production

Question 31

Keratinocytes

Answer 31

Most abundant, produce keratin

Question 32

Melanocytes

Answer 32

Produce melanin

Question 33

Langerhans cells

Answer 33

Aka dendritic cells Activate the immune system

Question 34

Merkel cells

Answer 34

Tactile cells; sensory receptors

Question 35

Dermis

Answer 35

Includes papillary layer and reticular layer Loving portion

Question 36

Collagen

Answer 36

Strength and flexibility

Question 37

Elastin

Answer 37

Resilience

Question 38

Vitamin D production

Answer 38

Skin exposed to UV, cholecalciferol D3, calcidiol, calcitriol

Question 39

Basal cells

Answer 39

Stem cells that replenish superficial keratinocytes

Question 40

Sebaceous glands

Answer 40

Holocrine gland, secretes sebum. Found all over the body except soles of feet and palms

Question 41

Apocrine sweat gland

Answer 41

Duct empties into hair follicles. Active at puberty and stressful situations. Found underarms, genitals, around nipples. Slight odor

Question 42

Merocrine/eccrine

Answer 42

Thermoregulation, lowers pH, antibiotic. Located all over the body. pH of 4-6

Question 43

Ceruminous glands

Answer 43

Secretes cerumen (earwax) which blocks entry of foreign material and keeps eardrum pliable. Found in ear canal

Question 44

Tight junction

Answer 44

“Sews” cells together tightly

Question 45

Gap junction

Answer 45

Allows gap between cells for intracellular transfer

Question 46

Anchoring junction

Answer 46

Strong but flexible connections