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sci 220
study stack 2
| Question | Answer |
|---|---|
| The vagus is said to act as a “brake” on the heart. This situation is called | vagal inhibition. |
| Starling’s law of the heart states that, within limits, the longer, or more stretched, the heart fibers are at the beginning of the contraction, the | stronger the contraction. |
| The localized pressure gradient needed to maintain blood flow in a tissue is called | perfusion pressure. |
| The lymph nodes located in the groin are called the | inguinal lymph nodes. |
| About half of the lymph flowing through the thoracic duct comes from the | the liver and the small intestine |
| Adaptive immunity, part of the body’s third line of defense, is orchestrated by two different classes of a type of white blood cell called the | lymphocyte |
| All of the following are true regarding the structure of Surfactant except: | produced in the main stem bronchus |
| Which of these structures is not found in the left lung? | horizontal fissure |
| Olfactory epithelium is found: | covering the superior turbinate. |
| Which of the following is true of the intrinsic muscles of the larynx? | They serve in voice production. |
| Which of the following is not true of carbohydrates? | All of the above are true of carbohydrates. |
| The hypodermis: | connects the dermis to underlying tissues. |
| Young children’s bones have a greater risk of fracturing because of incompletely ossified bone. | false |