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Human anatomy
Question | Answer |
---|---|
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 difference between systolic pressure and diastolic pressure is called | pulse pressure |
Which two factors promote the return of venous blood to the heart? | blood-pumping action of respirations and skeletal muscle contractions |
Factors that affect the strength of myocardial contraction are called | inotropic factor |
The vagus is said to act as a “brake” on the heart. This situation is called | vagal inhibition |
Identify the letter that indicates the first structure to receive lymph from both the lumbar and intestinal trunks and is located on the surface of L1 and L2 vertebrae | D |
Identify the letter that indicates the structure that is the boundary between the external and middle ear. | A |
Identify the letter that indicates the structure that is called the cochlea. | d |
Identify the letter that indicates the anterior segment, which is filled with aqueous humor. | e |
In the diagram above #3 indicates | cribiform plate of ethmoid bone |