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PHYSIOLOGY assigment 2
| Question | Answer |
|---|---|
| The somatic motor system includes all the _____ motor pathways _____ the CNS. | voluntary; outside |
| In a healthy adult, a well-placed tap on the knee will result in a: | stretch of the tendon, the quadriceps femoris, and thereby stimulation of the muscle spindles. |
| Impulses sent over which of the following tracts could result in voluntary movement, especially of the hands, fingers, feet, and toes of the opposite side? | Lateral corticospinal |
| where do frequencies—from high to low pitches—cause activity in the hair cells within the cochlear duct? | the apex of the cochlea,between the base and the apex of the cochlea |
| Which is not true of the hormone somatostatin? | It inhibits the secretion of glucagon. It stimulates the secretion of insulin. |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells. |
| The _____ is(are) supplied with blood from the left subclavian artery. | head and upper extremities |
| During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava. |
| Blood from the brachiocephalic vein drains into the | head, neck, and upper extremity. |
| Cardiac output is determined by | stroke volume and heart rate. |