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What vein returns blood to the heart, draining the head, neck, and upper torso? - Correct
Answers Superior Vena Cava
In order for the ac n filaments to bind to the myosin head, what must occur first? - Correct
Answers Calcium ions must bind to troponin molecules
What valve is responsible for preven ng the back flow of blood from the right ventricle to the
right atrium? - Correct Answers Tricuspid valve
Which two bones make up the structure of the lower leg? - Correct Answers Fibula and Tibia
The opening in the skull that is superior to the atlas is known as the _____________. - Correct
Answers Foramen Magnum
What sec on of the human spine contains five vertebrae? - Correct Answers Lumbar
What lobe of the brain is responsible for processing olfactory informa on? - Correct Answers
Temporal
What type of cellular connec on is characterized by openings in adjacent animal cells for
intercellular exchange to take place? - Correct Answers Gap Junc ons
What is the main func on of calcitonin? - Correct Answers Decreasing the calcium
concentra on in the blood
What type of joint is present in the elbow? - Correct Answers Hinge joint
, A rupture in the cardiac sphincter would result in what occurring? - Correct Answers The back
flow of gastric juices into the esophagus
The engulfing of large par cles into the cell is referred to as _____________. - Correct Answers
Phagocytosis
What enzyme begins the process of carbohydrate diges on in the mouth? - Correct Answers
Amylase
Fats are broken down in the small intes ne using which enzymes? - Correct Answers Lipase
and Bile
Electrical impulses called "ac on poten als" move along the axon of a neuron by _________. -
Correct Answers Saltatory conduc on
What area of the eye has the most acute vision and is comprised only of cones? - Correct
Answers Fovea Centralis
The right side of the heart is associated with which type of circula on? - Correct Answers
Pulmonary Circula on
What sequence outlines the correct flow of blood through the heart? - Correct Answers 1.
Blood enters the right atrium
2. Blood exits through the pulmonary artery to go to the lungs
3. Blood enters the le9 atrium
4. Blood passes through the mitral valve
5. Blood exits through the aorta