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Flauer [41]
3 years ago
9

Which of the following is true concerning oxygen in regards to aerobic respiration?

Medicine
1 answer:
andrew-mc [135]3 years ago
3 0

Answer:

Correct answer is c. It is the final electron acceptor in the aerobic respiration.

Explanation:

Oxygen is a substrate of the aerobic respiration, but it is not the only one. Glucose is also a substrate.

Oxygen is used in the cells to be the final electron acceptor, this means that receives the electrons from NADH and FADH2. That is why, when there is no oxygen available for aerobic respiration, the NADH and FADH2 cannot be oxidized and therefore remain in their reduced form. As a consequence, they cannot be re-utilized during different cellular processes that are NAD+ and FAD dependant, such as glycolysis, pyruvate oxidation and cellular respiration. This means that the ATP synthesis stops.

Oxygen itself does not transport any electrones, this are transported by the cytochrome complex in the mitochondrial membrane. But oxygen is key in receiving those electrones, therefore a very important piece of the electron transport across the mitochondria.

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What machine or equipment do hospitals use to hydrate comatose or vegetative patients?
Temka [501]

Answer:

There are two ways hospitals do this:

Explanation:

IV Bags

NG Tube

6 0
3 years ago
In the case of Tuberculosis, the formation of tubercles causes a patient to lose lung tissue function over a period of years wit
sweet [91]

Answer:

b. Latent

Explanation:

About 1/3 of the worlds population have TB but do not show any signs or symptoms. This is because during Latency the bacilli is efficiently contained in the lungs by the immune cells such as neutrophils and macrophages.

7 0
3 years ago
Read 2 more answers
Which of the following is true regarding panic disorder in children?
AlladinOne [14]

Answer:

A. Children report more cognitive symptoms than adults, is true regarding panic disorders in children.

Explanation:

A. Children report more cognitive symptoms than adults.  

Children with panic disorder are more anxious as compared to adults even when they are not having panic attacks. They report severe cognitive symptoms such as fear of an attack, reluctance to perform well in school, avoiding certain places due to fear of attack called agoraphobia, depression, substance abuse and suicidal behaviors. Hence, children may also need psychotherapy along with panic disorder medications so that they could control their anxiety. Early treatment of panic disorder with cognitive behavioral therapies may prevent complications such as agarophobia, and depression in children.  

B. Children experience only cued panic attacks.  

Both children and adolescents have unexpected panic attacks which might be triggered by anything which causes anxiety in them. They should have varying periods of fear and discomfort which might last minutes to hours.  

C. Children may report a general fear of becoming sick rather than specific physical symptom

A child suffering from panic attacks may have heart-attack like symptoms with a racing heart, fear of death and losing control, obsessive-compulsive symptoms, and physical symptoms including nausea, vomiting, dizziness, shortness of breath etc. Moreover, children are also left with an intense fear of another panic attack which might trigger these symptoms. Thus, they become less functional and has a fear of changing places, habits as anything might trigger their symptoms. So, children are more anxious about the physical symptoms ensuing the panic attack and tries their best to avoid it.  

4 0
3 years ago
Which type of information system (is) is used to help doctors diagnose diseases?
Kamila [148]
Currently it’s the CAD systems that are used as a diagnostic aid that helps with better decision-making
6 0
2 years ago
Antigens are molecules that react with components of the adaptive immune system. Antigens that can initiate the adaptive immune
Paladinen [302]

Answer:

The correct answer is b. Immunogens

Explanation:

Immunogens are the antigens that can trigger the immune response in the body once gets inside the body. Any antigen having capacity to excite a immune response against them is called immunogens but not every antigen is immunogen.

An antigen is called immunogen when it has some characteristic features  like foreignness, high molecular weight and chemical complexity. An immunogen can initiate both innate and adaptive immune response. Adaptive immune response is memory based and very specific for any particular immunogen.

Some common immunogens are: bacteria, virus, drugs, chemicals, dust, toxins.

5 0
3 years ago
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