Answer:
A major advantage of cohort studies over case-control studies with respect to the role of a suspected factor in the etiology of a disease is that they permit direct estimation of risk of disease in those exposed to the suspected factor.
Explanation:
The major advantage of cohort studies over case control studies are :
1.It is suited for rare exposures since starting with exposure status.
2.Allows for studying several outcomes.
3.Exposure status easier to ascertain since starting point of the study.
4.Allows computation of risk and rates.
5.Allows studying natural history of disease, easier to show that cause precedes effect.
6.Easiness to find a reference group
, usually not difficult to identify an unexposed population.
7.Sample size taken is large.
8.Concept
s are easy to understand.
When explaining the status of a newborn who has persistent pulmonary hypertension to the parents, the nurse would integrate knowledge about the foramen ovale which is still open.
Pulmonary hypertension happens when the blood pressure in the arteries that connect the heart and lungs is too high. Lung blood vessels develop more muscle on their inner walls as a result of pulmonary hypertension.
Blood arteries in the lungs are constricted, obstructed, or damaged in pulmonary arterial hypertension (PAH), one kind of pulmonary hypertension.
Due to the injury, blood pressure in the arteries of the lungs increases and blood flow through the lungs is slowed.
During foetal development, blood can travel through the foramen ovale, a muscle opening between the left and right atriums, and skip the pulmonary circulation.
Hence, The nurse would provide information regarding the still-open foramen ovale when describing the condition of a newborn with persistent pulmonary hypertension to the parents.
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Answer:
Amylases and Proteases are generally added to small intestine from pancreas in the small intestine.
Explanation:
Pancreas secretes digestive enzymes like Amylase and protease. Amylase help in breakdown of large carbohydrate moities into small monosaccharides like glucose. Protease like trypsin is used to digest proteins in smaller units in the small intestine so that they can be easily absorbed in body.
Sphincter of oddi is a small opening which enters in the deodenum(first portion of small intestine) through which the secretions of pancreas enters the small intestine.
Answer:
The given statement is false.
Explanation:
Hyperventilation is a condition when the rate of breathing increases resulting in the loss of more carbon dioxide from the body than the amount that the body can produce., thus dis balancing the equilibrium between the oxygen intake and the removal of carbon dioxide from the body and reducing the concentration of carbon dioxide from the blood.
With the reduced concentration of carbon dioxide in the blood the equilibrium of the carbonic acid in the blood is disturbed resulting in increase of hydrogen concentration in the blood.
Thus Hyperventilation causes reduction of carbon dioxide from the blood. Hence the statement is false as retention of carbon dioxide will cause increase in concentration of carbon dioxide.
The correct answer is B. Emotional facial paresis
Explanation:
Emotional facial paresis occurs as there is a lesion in different sections of the brain but especially the facial nerve, that is the one that controls the muscles of facial expressions, and this causes the individual to have impaired activation of face muscles especially in the case the facial expressions are related to emotions. Due to this, patients experiencing emotional facial paresis are unable or have difficulties in showing facial expressions due to the muscle being weakened or paralyzed.
Considering the previous ideas, it is emotional facial paresis the disorder that would greatly impair the capacity of a person to succeed in acting because this disorder does not allow the individual to show facial expressions successfully and this is one of the main components of acting. Also, other disorders do not affect facial expression or at least not facial expression related to emotions.
