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Human Anatomy
Physiology
| Question | Answer |
|---|---|
| Damage to the _____ nerve could make the diaphragm unable to function. | Phrenic nerve |
| Nerve impulses over the _____ nerve cause increased peristalsis and decreased heart rate. | Vagus nerve |
| The cerebellum acts with the _____ to produce skilled movement. | Cerebrum |
| Blood vessels in both digestive organs and skeletal muscles are dilated by sympathetic stimulation. (True/False?) | False |
| The sequence of auditory ossicles from the tympanic membrane to the oval window is: | Malleus, Incus, Stapes |
| The last step in the nonsteroid hormone mechanism of action is: | Protein kinases activate other enzymes |
| The two-point discrimination test measures: | The sensitivity of the skin in various parts of the body |
| Movement of hair cells in the organ of Corti against the _____ membrane stimulates nerve impulses | Tectorial membrane |
| Which three hormones work together to regulate blood volume? | Aldosterone, ANH, and ADH |
| If damaged, which valve could allow blood to leak back into the right atrium? | Tricuspid valve |
| Which factors determine a person’s total blood volume? | Age, body type, and sex (All of the above) |
| Cardiac output is determined by: | Stroke volume and heart rate |
| Pyrogen molecules trigger the fever response by promoting production of: | Prostaglandins |
| In the thymus, pre-T cells develop into rapidly proliferating cells called: | Thymocytes |
| Which organ has roles in defense, hematopoiesis, RBC destruction, platelet destruction, and blood reservoir? | Spleen |
| Complement can best be described as a(n): | Enzyme in blood |
| The volume of air exchanged during normal inspiration and expiration is called: | Tidal volume |
| According to Dalton’s law, the partial pressure of a gas in a mixture is _____ to its concentration. | Directly related |
| The PCO2 in the atmosphere is _____ than in the alveolar air. | Less |
| The function of surfactant in the lungs is to: | Prevent alveoli from collapsing |