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Which of the following is responsible for differentiation, or specialization, of cells?
A. Platelets.
B. Hormones.
C. Neurons.
D. Brain cells - ANSWER-B.
Proximal - ANSWER-Closer to the point of attachment; closer to the trunk of the body
distal - ANSWER-farther from the origin / point of attachment of a limb to the body trunk
How many axial bones are there? - ANSWER-80
how many axial bones are there in the skull? - ANSWER-28
A patient of yours is diagnosed with emphysema. In emphysema, the alveoli have trouble exchanging
gases between the atmosphere and the blood. It would be true to say that this patient has difficulty with
what type of respiration?
a. internal
b. external - ANSWER-B.
How many facial bones are there? - ANSWER-14 facial bones
external respiration is - ANSWER-the exchange of gases by the alveoli between the atmosphere and the
blood
Hormones are responsible for - ANSWER-differentiation of cells
, internal respiration - ANSWER-Exchange of gases between cells of the body and the blood
What stimulates the interstitial cells of the testicles to produce testosterone?
A Cowper's gland.
B LH (luteinizing hormone)
C FSH (follicle-stimulating hormone)
D Tropic hormones - ANSWER-B
LH (luteinizing hormone) in men - ANSWER-stimulates the interstitial cells of the testicles, also known as
Leydig cells, to produce testosterone.
What does the parathyroid hormone regulate?
A. Magnesium
B. Calcium
C. Calcitonin
D. Glucocorticoids - ANSWER-B
Where are the pressoreceptors and chemoreceptors (specialized sensory nerves that assist with the
regulation of circulation and respiration) located?
A. Circle of Willis
B. Cerebral arteries
C. Abdominal aorta
D. Carotid body - ANSWER-D.
Carotid body - ANSWER-chemoreceptor for O2 levels
Which of these is the best analogy describing the function of the kidneys?