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BabaBlast [244]
3 years ago
5

The cladogram below was created to show the evolutionary relationships between different vertebrates.

Biology
2 answers:
kramer3 years ago
5 0
The answer for the given question above about a cladogram showing the evolutionary relationships between different vertebrates is option A. <span> Amphibians and birds share a more recent common evolutionary ancestor than sharks and birds. I hope this helps.</span>
Free_Kalibri [48]3 years ago
5 0

Answer: a. Amphibians and birds share a more recent common evolutionary ancestor than sharks and birds.

Explanation:

A cladogram is a diagrammatic representation of the phylogenetic relationship of recently evolved species with their common ancestors. The relationship is defined on the basis of genetic, molecular, morphological make up of the organisms. The node in the cladogram defines a divergence or difference between the two taxon.

Birds and amphibians share a more recent common ancestor than shark and birds because they can be seen lying closer at the terminal ends of the cladogram.

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The most recent blood work of a client with a diagnosis of heart failure indicates increased levels of atrial natriuretic peptid
kipiarov [429]

Optiosn are not provided in the question. The complete question s as following:

The most recent blood work of a client with a diagnosis of heart failure indicates increased levels of atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP). What are the most likely effects of these peptides on the patient's physiology?

A. Water retention

B. Increased tubular sodium reabsorption

C. Counteracting the effects of the renin-angiotensin-aldosterone system

D. Sympathetic nervous stimulation

Answer:

C. Counteracting the effects of the renin-angiotensin-aldosterone system

Explanation:

Atrial and ventricular volume / pressure expansion trigger the production of  atrial natriuretic peptide (ANP) and  brain natriuretic peptide (BNP) which are endogenously produced peptides.

The ANP and BNP plasma levels increase according to the extent of the heart failure. Myocardial stretching is a key factor in stimulating ANP and BNP secretion, while neurohumoral factors also play a role in the secretion process.

Natriuresis, Vasodilatation and activation of renin-angiotensin-aldosterone (RAA) and sympathetic nervous systems are the main physiological effects of ANP and BNP; both of which are expected to prevent the development of heart failure.

Hence, the correct option is C.

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