Chapter 18-23

Question 1

B Cells

Answer 1

• Mature in Red Bone Marrow
• Positively selected if successfully make antigen receptors
• Humoral immunity

Question 2

Bolus

Answer 2

a small rounded mass of a substance, especially of chewed food at the moment of swallowing

Question 3

Cytotoxic T Cells

Answer 3

• CD8 cells become cytotoxic T cells (TC)
• Destroy cells harboring foreign antigens
• Also become memory T cells
• ignore displayed self-antigens

Question 4

Endocardium

Answer 4

continuous with endothelial lining of blood vessels

Lines heart chambers

Question 5

Epiglottis

Answer 5

elastic cartilage; covers laryngeal inlet during swallowing; covered in taste bud-containing mucosa

Question 6

Glottis

Answer 6

opening between vocal folds

Question 7

Halitosis

Answer 7

Bad breath

Question 8

IgG

Answer 8

• antibody class
  
  • Monomer; 75–85% of antibodies in plasma
  • From secondary and late primary responses
  • Crosses placental barrier

Question 9

Ischemia

Answer 9

Inadequate blood supply to a local area due to blockage of blood vessels leading to that area

Question 10

Lingual Frenulum

Answer 10

Skeletal muscle that is an attachment to the floor of mouth

Question 11

Mitral

Answer 11

Left AV valve (bicuspid valve)

Question 12

Myocardium

Answer 12

Spiral Bundles of contractile cardiac muscle cells

Question 13

Nasal Septum

Answer 13

the wall between the nostrils that separates the nasal passages.

Question 14

Oropharynx

Answer 14

Passageway for food and air from level of soft palate to epiglottis

Question 15

Pathogens

Answer 15

A microorganism that can cause disease

Question 16

Rennin

Answer 16

used to separate milk

Question 17

Spleen

Answer 17

Involved in the production and removal of blood cells

Question 18

Tachycardia

Answer 18

Abnormally fast heart rate ( > 100 BPM)

Question 19

Tidal Volume

Answer 19

Amount of air inhaled or exhaled with each breath under resting conditions.

Question 20

Peristalsis

Answer 20

Initiated by rising in hormone motilin in late intestinal phase; every 90–120 minutes

Adjacent segments of alimentary tract organs alternately contract and relax, moving food along the tract distally.