Answer:
The early central nervous system begins as a simple neural plate that folds to form a neural groove and then neural tube.
Explanation:
https://embryology.med.unsw.edu.au/embryology/index.php/Neural_System_Development
Alcohol tolerance may lead to (or be a sign of) alcohol dependency
Answer:
The correct answer is :
Pulmonary artery to the - right ventricle
Pulmonary vein to the - left atrium
Aorta to the - left ventricle
Superior vena cava to the - right atrium
Explanation:
Pulmonary arteries are the arteries that carry the deoxygenated blood from the right ventricle of the heart to the lungs in the pulmonary circulation and pulmonary vein carries oxygenated blood from the lungs to the left atrium of the heart.
Aorta is the largest that carries blood that is pumped from the left ventricle and carries to the different parts of the body. Whereas superior vena cava is the large vein that comes from the upper body to the right atrium of the heart.
Answer:
The health professional who takes care of the case of the boy with fragile X syndrome should know that it is common for patients with this syndrome to have mitral valve prolapse.
Explanation:
Fragile X syndrome (FXS or SXF) is a genetic and hereditary condition, responsible for a large number of cases of mental deficiency and behavioral disorders, affecting one in 2,000 boys and one in 4,000 women. The syndrome is caused by mutations in the FRM1 gene present in a flaw called the fragile site located at the end of the long arm of the X chromosome.
For many carriers of the mutation, fragile X syndrome is asymptomatic. However, it is common for individuals with this syndrome to present behavioral disorders and intellectual impairment that can be present in different degrees, from mild learning or speech difficulties.
Some physical characteristics may suggest the presence of the syndrome from birth. This is the case of macrocephaly and low muscle tone. There are other subtle signs of the syndrome that become more evident with growth. They are: elongated face, large flapping ears, prominent jaw, very high and arched roof of the mouth, strabismus and myopia, joint hyperextension, hollow chest, mitral valve prolapse, recurrent otitis and, in 20% of cases, convulsions.
