In: Anatomy and Physiology
In: Anatomy and Physiology
1. What role does a play in the actual contraction of a muscle ber (skeletal and cardiac)?
2. How do cardiac muscle and skeletal muscle differ in the role of Cain stimulation of muscle fibers? How does this difference affect the changes in membrane potential in cardiac muscle?
3. Based on the information in questions 1 and 2 explain why cardiac muscle does not demonstrate tetanic muscle contractions
In: Anatomy and Physiology
Is it possible to create an osmotic disequilibrium between the extracellular and intracellular compartments? Explain.
In: Anatomy and Physiology
What is rickets? What causes it? How does it affect the body?
In: Anatomy and Physiology
1. Using as many appropriate anatomical terms as apply, write sentences that describe the positional relationship from a. your left ankle to your left foot b. your right elbow to your nose c. the positional relationship from your mouth to your pinky finger on your right hand.
2. Using as many appropriate anatomical terms as apply, describe the position of the heart in the body and its position relative to the right kidney.
6. The total lung capacity of a patient is 5.9 liters. Find the patient’s inspiratory reserve volume if the patient’s vital capacity was 4.1 liters, the tidal volume was 550 ml, and the expiratory reserve volume was 1.6 liters.
In: Anatomy and Physiology
What surface of the thyroid gland is the parathyroid gland located?
In: Anatomy and Physiology
In: Anatomy and Physiology
What is the function of major histocompatibility complex (MHC) proteins? What role do they play in immunity? What role do they play in distinguishing "self" versus "non-self"? Why are they important in tissue transplantation?
In: Anatomy and Physiology
It's now possible to diagnose some nervous system disorders using genetic testing. One example is Huntington's Chorea, which slowly robs you of motor and cognitive function until you die, typically before age 55. Would you want to know if you had the gene that would lead to you developing this disease? Why or why not?
In: Anatomy and Physiology
Innate immunity
What are some characteristics of innate immunity?
describe the different components of the innaté immune response.
Lymphatic system
What are the functions and components of the lymphatic system?
What role does it play in protection from pathogens?
In: Anatomy and Physiology
Explain why different blood types would either be accepted or rejected by a recipient.
Relate the structure and function of hemoglobin in its role of respiratory gas distribution.
Explain the developmental processes that lead red blood cell formation.
In: Anatomy and Physiology
Distinguish among the different types of blood cells and compare
the functions of the various leukocytes.
As a complement to this discussion, conduct an online
search for an article that has “breaking news” about new
discoveries concerning blood. Briefly summarize the information you
find in 100 words or fewer. Please don't forget to answer
bold part. Thank you
In: Anatomy and Physiology
A decrease in plasma volume will decrease plasma hydrostsatic pressure. This can be detected by the cardiovascular baroreceptors which send a signal to the cardiovascular control center which sends nervous impulses to the arterioles to constrict. Constriction decreases flow to the capillary beds, in turn decreasing flow out of the capillaries at the capillary beds served by this arteriole. This prevents further decrease in plasma volume.
In: Anatomy and Physiology
Jim is lifting weights. Holding a 20lb weight down by his side, he bends his arm at the elbow, contracting his bicep, and holds the position until he reaches muscle fatigue. Briefly describe how the Henneman Size Principle relates to this example. List the steps of muscle fiber recruitment necessary for the initial lift and subsequent fatigue. Include a short summary of the muscle fiber types, and the properties that contribute to the speed of contraction, recruitment pattern and metabolic activity.
In: Anatomy and Physiology