Which of the following lists the stages or structures of prenatal development in the correct order?
A. Zygote, cleavage, morula, blastocyst, embryo, fetus
B. Zygote, morula, blastocyst, cleavage, embryo, fetus
C. Zygote, embryo, morula, blastocyst, cleavage, fetus
D. Embryo, zygote, blastocyst, cleavage, morula, fetus
E. Cleavage, zygote, morula, blastocyst, embryo, fetus
Answer: A
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Which muscle contracts when one smiles?
A. Frontalis B. Zygomaticus major C. Depressor anguli oris D. Orbicularis oris E. Buccinator
Answer the following statements true (T) or false (F)
1. Sexually transmitted infections are the most important cause of reproductive disorders. 2. The smaller cell produced by oogenesis meiosis I, called the first polar body, is essentially a packet of discarded nuclear material. 3. A human egg or sperm contains 23 pairs of chromosomes. 4. The Pap smear is a test to detect cancerous changes in cells of the cervix. 5. The adenohypophyseal hormone that triggers ovulation is estrogen.
A ration is divided into a 24 hours time frame
Indicate whether the statement is true or false
Describe autoregulation as it relates to cardiovascular function
A) Autoregulation is the blood flow to tissues sufficient to deliver adequate oxygen and nutrients. B) Autoregulation is the control of blood composition. C) Autoregulation involves changing respiratory rates to adjust the pH of blood reaching each tissue or organ. D) Autoregulation involves altering the oxygen content in the blood reaching each tissue or organ. E) Autoregulation involves local factors changing the pattern of blood flow within capillary beds in response to chemical changes in interstitial fluids.