Questions
How has this Covid 19 (corona virus) global pandemic impacted on our daily lifestyle, personality and...

How has this Covid 19 (corona virus) global pandemic impacted on our daily lifestyle, personality and health?

In: Anatomy and Physiology

What happens as a result of Ca++ ion flow at a presynaptic terminal? (draw it out..it...

What happens as a result of Ca++ ion flow at a presynaptic terminal? (draw it out..it may help)

a) synaptic vesicles migrate to the plasma membrane and release acetylcholine.

      b) acetylcholine is passively transported from the presynaptic neuron.

      c) acetylcholine is actively transported to the postsynaptic neuron.

      d) ligand-gated sodium channels open.

      e) sodium ions diffuse into the cell.

Which of the following statements is true?   Metabolic pathways  ____________.

a) occur in a controlled series of chemical reactions    b) are controlled by enzyme activity

c) only assemble molecules from atoms   d) all of the above are true   

e) only a and b are true

You react to an odor by vomiting.  This information was processed in the ________ of the            _________.

      a)   temporal lobe; cerebral cortex     b)  thalamus; cerebellum   

      c)   reticulo-spinal tract; nervous system   d)  frontal lobe; cerebellum      

      e)   none of the above

Your reaction to the above odor would _______.

      a)  be a reflex              b)  utilize both afferent and efferent pathways     

      c)  utilize both sensory and  motor  pathways      d)  two of the above     e)  all of the above

What is the receptor type used by the post ganglionic neuron of the para-sympathetic system        at the cardiac synapse?

  a) cholinergic; nicotinic   b) adrenergic; alpha    c) cholinergic; muscarinic   d) adrenergic; beta  

Your blood pressure suddenly decreases.  What nucleus or nuclei in the central nervous system provides the stimulus to speed the heart rate and restore pressure?

      a)  cardio-excitatory center   b) basal nuclei   c)  pons   d)  cerebellum  e)  none of the above

      

In: Anatomy and Physiology

12. Produce a diagram indicating how capillary reabsorption takes place. Using your diagram, explain what would...

12. Produce a diagram indicating how capillary reabsorption takes place. Using your diagram, explain what would be the effect of protein accumulation in interstitial fluid due to inflammation.

In: Anatomy and Physiology

Explain how renin/angiotensin/aldosterone regulate arteriolar resistance and blood pressure. How can ACE inhibitors reduce hypertension?

Explain how renin/angiotensin/aldosterone regulate arteriolar resistance and blood pressure. How can ACE inhibitors reduce hypertension?

In: Anatomy and Physiology

Q) Proponents of Intelligent Design assert that some complex traits are irreducibly complex. What would those...

Q) Proponents of Intelligent Design assert that some complex traits are irreducibly complex. What would those proponents have to prove in order to support their assertion?

They need to prove that the evolving trait ...   

A) could not have evolved from a simpler one with the same function.   

B) could not have evolved from a more complex one.   

c) did not undergo a functional shift.   

d) All of the Above

In: Anatomy and Physiology

2. The participant was measuring his VO2max on a typical running machine. His weight is 64.7kg....

2. The participant was measuring his VO2max on a typical running machine. His weight is 64.7kg. Peak measures are: VO2max(67ml/kg/min). And the highest VO2 is 4.3L/min. Calculate the subject’s absolute and relative O2max scores

In: Anatomy and Physiology

Explain why the partial pressure of oxygen decreases and carbon dioxide increases from their values in...

Explain why the partial pressure of oxygen decreases and carbon dioxide increases from their values in the atmosphere to air within the alveoli.

In: Anatomy and Physiology

How does Boyle's law explain the mechanisms of ventilation (i.e. inpspiration vs. expiration, pressure differences, etc.)?

How does Boyle's law explain the mechanisms of ventilation (i.e. inpspiration vs. expiration, pressure differences, etc.)?

In: Anatomy and Physiology

How is Thyroxin or T3 produced? Is T3 capable of diffusing across the plasma membrane? Produce...

How is Thyroxin or T3 produced? Is T3 capable of diffusing across the plasma membrane? Produce a diagram explaining the mechanism of action of T3 at a cellular level.

In: Anatomy and Physiology

4) Explain why a first-time exposure to an allergen may produce only a mild reaction? (4...

4) Explain why a first-time exposure to an allergen may produce only a mild reaction?

In: Anatomy and Physiology

Explain how oxygen and carbon dioxide are transported and released at the lungs and tissues.

Explain how oxygen and carbon dioxide are transported and released at the lungs and tissues.

In: Anatomy and Physiology

What are the differences in the different types of AV blocks?

What are the differences in the different types of AV blocks?

In: Anatomy and Physiology

The right pinky finger : Describe the formation of lymph within right pinky finger , relating...

The right pinky finger : Describe the formation of lymph within right pinky finger , relating that to blood vessels within the right pinky finger and addressing the physical forces that lead to lymph production. How would the lymph that is formed in right pinky finger be returned to the blood supply? What vessels and lymph organs would it travel through? For the second part of your discussion imagine that there is a potential pathogen within your identified region - what involvement of other lymph organs or individual immune cells would you expect?

In: Anatomy and Physiology

◦ Describe fetal circulation and the structures associated with fetal circulation that remain in the body...

◦ Describe fetal circulation and the structures associated with fetal circulation that remain in the body after birth.

In: Anatomy and Physiology

◦ How does blood return to the heart through veins even though the pressure in veins...

◦ How does blood return to the heart through veins even though the pressure in veins is very low?

In: Anatomy and Physiology