During implantation, the
A) syncytial trophoblast erodes a path through the endometrium.
B) inner cell mass begins to form the placenta.
C) maternal blood vessels in the endometrium are walled off from the blastocyst.
D) entire trophoblast becomes syncytial.
E) inner cell mass is temporarily deprived of nutrients.
Answer: A
You might also like to view...
Put the following events of the neuromuscular junction in the order in which they occur. 1. Action potential is propagated in the sarcolemma. 2. Acetylcholine binds to ligand gated sodium channels. 3. Action potential arrives at the neuromuscular junction. 4. Vesicles full of acetylcholine are stored at the axon terminal. 5. Acetylcholine is released into the synaptic cleft
A) 4,3,5,2,1 B) 4,3,5,1,2 C) 4,5,3,2,1 D) 4,3,1,5,2 E) 4,1,3,2,5
The average adult kidney weighs about 100 grams and measures about
A. 12 cm long, 6.5 cm wide, and 2.5 cm thick. B. 8 cm long, 4 cm wide, and 1.5 cm thick. C. 15 cm long, 10.5 cm wide, and 4.5 cm thick. D. 8 cm long, 10.5 cm wide, and 2.5 cm thick. E. 12 cm long, 2.5 cm wide, and 8 cm thick.
A 19-year-old, single, sexually active college student, who has not used birth control on a regular basis, is in her first trimester of pregnancy. She is at the OB/GYN clinic for her first prenatal visit
In assessing her nutrition, the nurse discovers that the patient drinks heavily on a regular basis. She also states she does not like milk. What information should the nurse give the patient regarding nutrition? What will be an ideal response
Identify the following
