The fusion of the male pronucleus and the female pronucleus results in which developmental stage?
a) Female pronucleus
b) Male pronucleus
c) Zygote
d) Blastomeres
e) Morula
c
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Aziz goes to the doctor and has a blood cholesterol test done. The results show that his total cholesterol is slightly high, his HDLs are very high, and his LDLs are low. Aziz is alarmed by the numbers because his father had atherosclerosis. Aziz's doctor gives him more information. Which of the following statements is the doctor likely to make?
A. Neither LDL nor HDL are involved in cholesterol regulation. B. It is preferable to have a high concentration of high-density lipoproteins (HDLs) in the plasma because HDLs operate to remove cholesterol from the peripheral tissues and carry it to the liver, which secretes it into the small intestine. C. Plasma cholesterol concentration has no relationship to atherosclerosis. D. It is preferable to have equal concentrations of LDL and HDL. E. It is preferable to have a high concentration of low-density lipoproteins (LDLs) in the plasma because LDLs operate to remove cholesterol from the peripheral tissues and carry it to the liver, which secretes it into the small intestine.
Which two organ systems are involved in directly regulating blood pH?
A) Lymphatic and digestive B) Urinary and respiratory C) Skeletal and cardiovascular D) Urinary and digestive
Primary hypertension results as a complication of another disease.
Answer the following statement true (T) or false (F)
Answer the following statement(s) true (T) or false (F)
1. A person with type O blood has antibodies against antigens A and B. Therefore, this person can be the recipient of type AB blood without any harmful effects. 2. Anemia is more common in the elderly as compared to younger people. 3. Increasing age also brings an increased chance of thrombosis. 4. Hemostasis is the production of formed elements of blood. 5. Lymphoid hemopoiesis occurs mainly in the bone marrow.