West Coast EMT Block 2 Study Guide Latest 2023
(Verified Answers)
electrical conduction of the heart - correct answers ✅The flow of electrical
current causes smooth, coordinated heart contractions; they produce
pumping action of the heart
Depolarization - correct answers ✅electrical charges on the surface of the
muscle cell change from positive to negative
Repolarization - correct answers ✅the heart returns to its resting state, and
the positive charge is restored to the surface
Where do the electrical impulses begin? - correct answers ✅Electrical
impulses begin high in the atria in the sinoatrial node, travel to the
atrioventricular node and bundle of His, and then move through the Purkinje
fibers to the ventricles
Three types of muscle - correct answers ✅skeletal, cardiac, smooth
,West Coast EMT Block 2 Study Guide Latest 2023
(Verified Answers)
Skeletal muscle - correct answers ✅Voluntary muscle/Striated muscle
(characteristic stripes): Movement of the body like waving or walking/
Skeletal muscle is attached to the bones of the skeleton
Smooth muscle - correct answers ✅Found within blood vessels and
intestines
Cardiac muscle - correct answers ✅found only within the heart and is able
to create and conduct its own electrical impulses
Ligaments - correct answers ✅Connect bone to bone
Tendons - correct answers ✅Ropelike structures that connect muscles to
bones
Cartilage - correct answers ✅Smooth connective tissue that covers the
ends of bones at mobile joints
, West Coast EMT Block 2 Study Guide Latest 2023
(Verified Answers)
Anatomy of lower airway: delivers oxygen to alveoli - correct answers
✅Trachea (windpipe): conduit for air entry into the lungs; divides at the
carina into two main stem bronchi, right and left
Bronchioles: dilate and constrict as oxygen passes through them
Small bronchioles connect to alveoli: site of oxygen and carbon dioxide
exchange
Thyroid cartilage (adam's apple): forms the anterior part of the larynx
Cricoid cartilage: immediately below the thyroid
Cricothyroid membrane
Anatomy of upper airway - correct answers ✅Nose, Mouth (Oral Cavity),
Jaw (mandible), Tongue, Pharynx, and Larynx (Voice Box)
(Verified Answers)
electrical conduction of the heart - correct answers ✅The flow of electrical
current causes smooth, coordinated heart contractions; they produce
pumping action of the heart
Depolarization - correct answers ✅electrical charges on the surface of the
muscle cell change from positive to negative
Repolarization - correct answers ✅the heart returns to its resting state, and
the positive charge is restored to the surface
Where do the electrical impulses begin? - correct answers ✅Electrical
impulses begin high in the atria in the sinoatrial node, travel to the
atrioventricular node and bundle of His, and then move through the Purkinje
fibers to the ventricles
Three types of muscle - correct answers ✅skeletal, cardiac, smooth
,West Coast EMT Block 2 Study Guide Latest 2023
(Verified Answers)
Skeletal muscle - correct answers ✅Voluntary muscle/Striated muscle
(characteristic stripes): Movement of the body like waving or walking/
Skeletal muscle is attached to the bones of the skeleton
Smooth muscle - correct answers ✅Found within blood vessels and
intestines
Cardiac muscle - correct answers ✅found only within the heart and is able
to create and conduct its own electrical impulses
Ligaments - correct answers ✅Connect bone to bone
Tendons - correct answers ✅Ropelike structures that connect muscles to
bones
Cartilage - correct answers ✅Smooth connective tissue that covers the
ends of bones at mobile joints
, West Coast EMT Block 2 Study Guide Latest 2023
(Verified Answers)
Anatomy of lower airway: delivers oxygen to alveoli - correct answers
✅Trachea (windpipe): conduit for air entry into the lungs; divides at the
carina into two main stem bronchi, right and left
Bronchioles: dilate and constrict as oxygen passes through them
Small bronchioles connect to alveoli: site of oxygen and carbon dioxide
exchange
Thyroid cartilage (adam's apple): forms the anterior part of the larynx
Cricoid cartilage: immediately below the thyroid
Cricothyroid membrane
Anatomy of upper airway - correct answers ✅Nose, Mouth (Oral Cavity),
Jaw (mandible), Tongue, Pharynx, and Larynx (Voice Box)
