1) Prothoracicotropic hormone is used to help organisms molt. What are they molt

Question

1) Prothoracicotropic hormone is used to help organisms molt. What are they molting?

hydrostatic skeleton

exoskeleton

skin

endoskeleton

2) A little girl was allergic to the sun (photosensitivity). Since she did not take Vitamin D, she failed to have bone calcification. What disease did she most likely have?

osteoporosis

osteopenia

ostomalacia

rickets

3) You are a medical doctor and have a patient in her 50s. The patient is concerned about osteoporosis. What would you suggest as a preventative treatment?

Reduced physical activity to ensure bones are not damaged

Physical activity that creates stresses to encourage bone growth

4) The primary disadvantage of exoskeletons is

limited protection

make burrowing difficult

require chitin, which is expensive to make

make growth of the animal difficult

hydrostatic skeleton

exoskeleton

skin

endoskeleton

Explanation / Answer

1. exoskeleton --- it is a process in which animal routinely casts off a part of its body , generally an outer layer called exoskeleton.

2. She will suffer from rickets as vitamin D deficiency in children lead to a disease called rickets , here the case is of a little girl

3. Physical activity along with dietary supplements to provide nutrients.

4. make growth of the animal difficult

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