Newest physiology Questions | Wyzant Ask An Expert

Physiology Nursing

07/18/25

What 12 lead EKG leads are indicative of a right coronary artery (RCA) ST elevation myocardial infarction (STMI)?

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Answers •1

06/21/25

What factors cause the arterial wall to weaken and lead to aneurysm formation?

I understand that aneurysms form when part of an artery wall weakens and bulges outward, but I’m curious about why that weakening happens. What factors or changes at the tissue or cellular level... more

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Answers •1

Physiology Biology Biochemistry

05/27/25

Does the citric acid cycle (aka Krebs cycle) require oxygen?

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Answers •4

Physiology Biology Biochemistry

05/27/25

Explain the steps of the Citric Acid Cycle (aka Krebs Cycle) and why this cycle is so important for cellular respiration.

After pyruvate is converted into Acetyl-CoA, it enters a key metabolic cycle that takes place in the mitochondria. This cycle involves a series of enzyme-driven reactions that break down carbon... more

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Answers •1

Physiology Biology Biochemistry

05/27/25

What must happen to pyruvate after it enters the citric acid cycle (Krebs cycle)?

Once glycolysis is finished, pyruvate is created as the end product. If oxygen is present, pyruvate doesn’t just stay in the cytoplasm—it’s moved into the mitochondria, where it goes through more... more

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Answers •1

Physiology Biology Biochemistry

05/27/25

Which pathway produces most of your ATP in aerobic and anaerobic conditions?

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Answers •1

Physiology Biology Biochemistry

05/27/25

What happens after glycolysis in the presence of oxygen and in the absence of oxygen?

Consider what the cell does with the products of glycolysis under different environmental conditions. When there's plenty of oxygen available, how might the cell continue extracting energy from... more

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Answers •1

Physiology Biology Biochemistry

05/27/25

What is the purpose of glycolysis, and what are the main steps involved in this process?

This question asks you to explain both the function of glycolysis in cellular metabolism and the sequence of steps it includes. You'll need to describe what glycolysis accomplishes for the cell... more

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Answers •1

Physiology Biology Biochemistry

05/27/25

Which glycolysis enzyme might be affected in someone with a mutation who experiences fatigue and muscle pain during intense exercise due to reduced energy production?

This question asks you to think about how a mutation in a glycolytic enzyme might lead to symptoms like fatigue and muscle pain, especially during intense physical activity. It invites you to... more

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Answers •1

Physiology Biology Biochemistry

05/27/25

Can glycolysis occur in the absence of oxygen? Why or why not?

This question focuses on whether oxygen is required for glycolysis to take place. It asks you to consider where glycolysis occurs in the cell, how it fits into the overall process of cellular... more

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Answers •2

Physiology Biology Biochemistry

05/27/25

Why does ATP "store" so much energy?

This question asks why ATP is able to hold so much energy, especially in relation to how cells generate and use energy during cellular respiration. Think about the structure of ATP and why it's an... more

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Physiology Biology Anatomy Nursing

05/17/25

If the sinoatrial node fails to send an electrical impulse, or if the electrical impulse that is sent is blocked, how will the heart continue to beat? What will the heart rate be?

This question focuses on the intrinsic conduction system of the heart and what the backup conduction looks like when the primary conduction fails.

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Physiology

05/15/25

Which part of the neuron is responsible for receiving signals from other neurons?

Understanding the physiology of the neuron is important to determine where electrical signals start and end.

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Answers •2

Physiology

05/15/25

What is the primary function of the SA node in the heart?

This question is asking the student to define and understand the function of the sinoatrial node. Understanding the electrical pathway of the heart is key to cardiac physiology.

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Answers •2

Physiology Biochemistry Lsat Pharmacology

05/02/25

How Can I Fix UWorld Wrongs and Boost NBME Scores for USMLE Step 1 in 3 Months?

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Answers •2

Physiology Anatomy

04/01/25

How do the structures of the respiratory system facilitate gas exchange?

The respiratory system is specialized for gas exchange through its intricate structures. The alveoli, tiny air sacs in the lungs, provide a large surface area for gas exchange. The thin walls of... more

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Physiology Anatomy

04/01/25

What are the physiological mechanisms that maintain blood calcium levels?

Blood calcium levels are tightly regulated by the actions of parathyroid hormone (PTH), calcitonin, and vitamin D. When calcium levels fall, the parathyroid glands secrete PTH, which stimulates... more

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Physiology

02/10/25

What are the type of sounds produced by heart?

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Answers •2

Physiology Science Biology Anatomy

02/02/25

The main function of epithelial tissue is:

Options are : a) Contraction b) Protection and secretion c) Support d) Transportation

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Answers •3

Physiology Science Biology Anatomy

02/02/25

The exchange of gases in the lungs occurs in the :-

Options are a) Bronchi b) Alveoli c) Trachea d) Bronchioles

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Answers •3

Physiology Anatomy

12/20/24

What enzymes are elevated in acute pancreatitis?

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Answers •4

Physiology Anatomy

12/20/24

What is the primary function of the sinoatrial (SA) node?

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Answers •3

Physiology Anatomy Nursing

12/20/24

What criteria or physical exam findings are considered when declaring a patient brain dead?

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Answers •3

Physiology

10/30/24

Addition of base (NaOH) to the reaction CO2 + H2O <-> H2CO3<-> H+ + HCO3- will cause?

Addition of base (NaOH) to the reaction CO2 + H2O <-> H2CO3<-> H+ + HCO3- will cause? Increased production of CO2 Shift of the reaction to the right Decreased... more

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Answers •1

Physiology

10/30/24

If membrane potential is clamped to -100 mV (for example by patch clamp) with Nernst potential for sodium of +60 mV and for potassium of -90 mV the following will happen?

If membrane potential is clamped to -100 mV (for example by patch clamp) with Nernst potential for sodium of +60 mV and for potassium of -90 mV the following will happen? K+ efflux out of the cell... more

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Answers •1

What 12 lead EKG leads are indicative of a right coronary artery (RCA) ST elevation myocardial infarction (STMI)?

What factors cause the arterial wall to weaken and lead to aneurysm formation?

Does the citric acid cycle (aka Krebs cycle) require oxygen?

Explain the steps of the Citric Acid Cycle (aka Krebs Cycle) and why this cycle is so important for cellular respiration.

What must happen to pyruvate after it enters the citric acid cycle (Krebs cycle)?

Which pathway produces most of your ATP in aerobic and anaerobic conditions?

What happens after glycolysis in the presence of oxygen and in the absence of oxygen?

What is the purpose of glycolysis, and what are the main steps involved in this process?

Which glycolysis enzyme might be affected in someone with a mutation who experiences fatigue and muscle pain during intense exercise due to reduced energy production?

Can glycolysis occur in the absence of oxygen? Why or why not?

Why does ATP "store" so much energy?

If the sinoatrial node fails to send an electrical impulse, or if the electrical impulse that is sent is blocked, how will the heart continue to beat? What will the heart rate be?

Which part of the neuron is responsible for receiving signals from other neurons?

What is the primary function of the SA node in the heart?

How Can I Fix UWorld Wrongs and Boost NBME Scores for USMLE Step 1 in 3 Months?

How do the structures of the respiratory system facilitate gas exchange?

What are the physiological mechanisms that maintain blood calcium levels?

What are the type of sounds produced by heart?

The main function of epithelial tissue is:

The exchange of gases in the lungs occurs in the :-

What enzymes are elevated in acute pancreatitis?

What is the primary function of the sinoatrial (SA) node?

What criteria or physical exam findings are considered when declaring a patient brain dead?

Addition of base (NaOH) to the reaction CO2 + H2O <-> H2CO3<-> H+ + HCO3- will cause?

If membrane potential is clamped to -100 mV (for example by patch clamp) with Nernst potential for sodium of +60 mV and for potassium of -90 mV the following will happen?

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