Question

14).  Human embryonic implantation occurs at which of the following stages?

     a). gastrula, b). zygote, c). neurula, d). blastocyst, e). morula

15).  A BMI of 28 indicates

       a). obesity, b). overweight, c). normal weight, d). underweight, e). extreme obesity

16). An example of hypothyroidism is

       a). cretinism,  b). Addison’s disease, c). celiac disease, d). Graves’ disease, e). acromegaly

17). An example of PICA is

         a). bulimia, b). plumbism, c). celiac disease, d). lactose intolerance, e). phocomelia

18). About what percent of your daily calories should be from carbohydrates in a healthy diet?

        a). 15%, b). 30%, c). 40%, d). 55%, e). 75%

19). Leptin is produced by

       a). adipocytes, b). chief cells, c). hypothalamic cells, d). alpha cells, e). beta cells

20). The blood-brain barrier is provided by

      a). Sertoli cells, b). oligodendroglia, c). microglia, d). ependymal cells e). astrocytes

21). Spermiogenesis begins with

      a). spermatids, b). Sertoli cells, c). Leydig cells d). spermatogonia, e). primary spermatocytes

22).  Calcium regulates the

     a). acrosome reaction, b). cortical granule reaction, c). release of neurotransmitters, d). sliding of actin and myosin, e). all of the above

23).  The wet form of macular degeneration may be slowed by

      a). lycopene,  b). vitamin K, c). lutein, d). anti-VEGF drugs, e). c and d

Dr. L. Twersky                           Bi 325.01

II. Multiple Choice (continued)

24). Gastrulation occurs in what week of human development?

       a). first, b). second, c). third, d). fourth, e). fifth

25). Which of the following contains only C, H and O?

       a). glucagon, b). insulin, c). fiber, d). sucrose, e). c and d

Answer 1

Answer: zygote.

Reason:

Answer: overweight.

Reason:

Answer: cretinism.

Reason:

Answer:builima.

Reason: