| A | B | 
|---|
| The engulfing of large particles into the cell is referred to as ____________? | Phagocytosis | 
| What type of joint is present in the elbow? | Hinge joint | 
| Which of the following would be a categorized as a flat bone? | Scapula | 
| In order for the actin filaments to bind to the myosin head, what must occur first? | Calcium ions must bind to troponin molecules. | 
| What is the primary function of melatonin? | o regulate sleep/wake cycles. | 
| The limbic system of the brain is responsible for the regulation of ___________? | Emotion | 
| Which is a bodily reaction to the fight or flight response? | pupil dilate, vasoconstriction, decreased gastric motility, increased perspiration | 
| What area(s) of the brain are the most affected if a person is unable to understand written or verbal speech? | Weirnecke’s area | 
| Speech production is concentrated in | Broca's area | 
| The release of prolactin during breastfeeding is an example of __________________? | positive feedback | 
| What valve is responsible for preventing the backflow of blood from the right ventricle to the right atrium? | Tricuspid valve | 
| The release of prolactin during breastfeeding is an example of __________________? Your answer of Positive feedback was correct.    The stimulating of the mammary glands in the breast by prolactin is an example of positive feedback. The more a woman breastfeeds the more prolactin is released and the more milk that is produced. Negative feedback would imply a "shutting off" of a process when the stimulus is removed/satisfied. Gene regulation, protein synthesis and cell permeability are not appropriate answer options for what the question is asking. Therefore, the correct answer is [B].    What would result following an injury to the phrenic nerve? | inability to control breathing | 
| The right side of the heart is associated with which type of circulation? | Pulmonary circulation | 
| During exhalation, the diaphragm does which of the following? | Relaxes and lifts | 
| The autoimmune disease, multiple sclerosis is characterized by the degradation of what? | Myelin Sheath | 
| Respiration rates are regulated by which of the following? | Increasing levels of carbon dioxide | 
| What lobe of the brain is responsible for processing olfactory information? | Temporal | 
| Which two bones make up the structure of the lower leg? | Fibula & Tibia | 
| Which bone is part of the axial skeleton? | bones of the skull (including the temporal bone), the vertebral column, the ribs, and the sternum | 
| appendicular skeleton includes | bones composing the shoulder  and hip girdles and the extremities, including the bones of the arm and the leg | 
| trachea, lungs, and bronchi are part of the | trachea, lungs, and bronchi are part of the | 
| Which blood vessel returns blood from the systemic circuit to the heart? | superior vena cava | 
| What type of hormones are follicle-stimulating hormone, thyroid-stimulating hormone, and luteinizing hormone? | tropic (act on other endocrine glands.) | 
| What is the purpose of the mastication of food? | to increase its surface area | 
| Which hormone stimulates the interstitial cells of the testicles to produce testosterone? | luteinizing hormone | 
| Which of the following happens during inhalation? | diaphragm contracts | 
| What type of bone is the patella? | sesamoid | 
| What does the pulmonary vein do? | carries oxygenated blood from the lungs to the heart | 
| Which layer of the epidermis contains cells that undergo mitosis? | stratum basale | 
| ventral cavity | includes the thoracic and abdominopelvic cavities. |