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Describe the role of sodium in the cardiac action potential. Explain, physiologically, what would ...
Describe the role of sodium in the cardiac action potential. Explain, physiologically, what would ...
I am in much need of help for this lab. Especially number 1 and number 5. Here are the questions.

1. Describe the role of sodium in the cardiac action potential. Explain, physiologically, what would happen to the cardiac action potentials if sodium channels were blocked from functioning


5. After completing activity 5, compare the results in your data tabl
Anatomy and Physiology   chevyman87   417   Asked 7 years ago
Explain which slide(s), if any, in your results showed false positives. What causes a false ...
Explain which slide(s), if any, in your results showed false positives. What causes a false ...
Need Help!!!


1. occasionally show false positive results.  Explain which slide(s), if any, in your results showed false positives.  What causes a false positive result to occur?

2.Explain, physiologically, why the optical density for a patient sample with a positive HIV result is greater than the optical density for a patient sample with a negat
Anatomy and Physiology   chevyman87   372   Asked 7 years ago
Has anyone ever done a worksheet called Thanksgiving Dinner (Digestive System)
Has anyone ever done a worksheet called Thanksgiving Dinner (Digestive System)
It looks like this:
So, you just finished a wonderful Thanksgiving dinner with friends and family.  The menu included:
Turkey with Bread Stuffing & Gravy
Honey-glazed, Mashed Yams with Browned Marshmallow Crust
Buttery Creamed Corn
Steamed Asparagus Spears with Sweet & Sour Sauce
Cranberry Sauce
 Tossed Salad with Olive Oil & Bals
Anatomy and Physiology   CJ39   3190   Asked 10 years ago
Match each substance with its primary mode of transport across the kidney epithe
Match each substance with its primary mode of transport across the kidney epithe
Match each substance with its primary mode of transport across the kidney epithelium.

A. transcytosis
 B. active transport
 C. symport with a cation
 D. passive reabsorption/diffusion


 sodium

Anatomy and Physiology   clintwin   1180   Asked 9 years ago
Does anyone have copies of PHYSIOEX 9.1 Exercise 3, 22, & 33? HELP!!!
Does anyone have copies of PHYSIOEX 9.1 Exercise 3, 22, & 33? HELP!!!
I had my Lab Manual stolen and I dont have the money to buy another one.
Anatomy and Physiology   Cococure43   414   Asked 10 years ago
Knowing that hawks see in the infrared region and identify prey by heat and dogs can hear a differen
Knowing that hawks see in the infrared region and identify prey by heat and dogs can hear a differen
Knowing that hawks see in the infrared region and identify prey by heat and dogs can hear a different range of sound, choose a special sense either vision and how cones or rods may need to be adapted or hearing and how higher frequencies could be heard. Neutral Face Confounded Face
Anatomy and Physiology   Colette1962   994   Asked 8 years ago
Sketch a short series of simple columnar epithelial cells. Label each of the thr
Sketch a short series of simple columnar epithelial cells. Label each of the thr
Sketch a short series of simple columnar epithelial cells. Label each of the three different borders. Briefly explain the different kinds of activities that may go on at each border, and tell how their structures and junctions support these functions.
Anatomy and Physiology   colleen   717   Asked 10 years ago
Design a concept map for the types of cell junctions and the proteins that compo
Design a concept map for the types of cell junctions and the proteins that compo
Design a concept map for the types of cell junctions and the proteins that compose them.
Anatomy and Physiology   colleen   302   Asked 10 years ago
Compare and contrast neural and endocrine control.
Compare and contrast neural and endocrine control.
Compare and contrast neural and endocrine control.
Anatomy and Physiology   colleen   510   Asked 10 years ago
Sketch graphs illustrating the electrical response of auditory hair cells and co
Sketch graphs illustrating the electrical response of auditory hair cells and co
Sketch graphs illustrating the electrical response of auditory hair cells and cochlear neurons to sound. You do not need to be precise on the amplitudes or durations; just show you understand the general trend.
Anatomy and Physiology   colleen   342   Asked 10 years ago
You are part of a research team designing a robot for competition. Your robot ne
You are part of a research team designing a robot for competition. Your robot ne
You are part of a research team designing a robot for competition. Your robot needs to be able to respond to painful stimuli like stepping on broken glass. What type of human control system will you model your robot's after and explain your reasons for choosing it.
Post Merge: 10 years ago

One should choose the nervous system and
Anatomy and Physiology   colleen   1184   Asked 10 years ago
Design a flow chart or concept map to summarize the information in the text unde
Design a flow chart or concept map to summarize the information in the text unde
Design a flow chart or concept map to summarize the information in the text under the heading "Cell-to-Cell Communication." This chart should make clear the four basic methods of cell-to-cell communication, and the relevance of and distinction between paracrine, autocrine, neurocrine, and cytokine chemicals.
Anatomy and Physiology   colleen   590   Asked 10 years ago
anatomy and physiology answers interactive physiology nervous system I
anatomy and physiology answers interactive physiology nervous system I
Nervous System I: Anatomy Review
   1.   Neurons communicate with other neurons and stimulate both MUSCLES and GLANDS.
   2.   Match the following parts of the neuron and their function:
AXON-conductive region; generates an action potential
DENDRITES- input area; receives signals from other neurons
SOMA-input area; main nutritional and metabolic area
   3.   Signal
Anatomy and Physiology   combatcakes   15485   Asked 11 years ago
Membrane potential between axon hillock and axon
Membrane potential between axon hillock and axon
explain why the membrane potential between the axon hillock and axon either changed or did not change with threshold stimulus. Differences of 1.0 mV or less are not significant
Anatomy and Physiology   corawilke   1194   Asked 9 years ago
List all 6 movements that can occur at the shoulder joint and name the prime mover(s) of each:
List all 6 movements that can occur at the shoulder joint and name the prime mover(s) of each:
List all 6 movements that can occur at the shoulder joint and name the prime mover(s) of each:

Also what are the antagonist of the above?
Anatomy and Physiology   CRodriquez09   816   Asked 8 years ago
Assume you have said to a group of your peers that amylase is capable of starch
Assume you have said to a group of your peers that amylase is capable of starch
Assume you have said to a group of your peers that amylase is capable of starch hydrolysis to maltose. If you had not done control tube 1A, what objection to your statement could be raised? What if you had not done tube 2A?
Anatomy and Physiology   Cyang95   3067   Asked 8 years ago
Pathophysiology-Contributing factors for aneurysm, stroke, bleed in brain
Pathophysiology-Contributing factors for aneurysm, stroke, bleed in brain
What factors, both physiological and psychological may contribute to the development of an aneurysm,  a stroke, or a bleed in the brain.
Anatomy and Physiology   ddhr   501   Asked 11 years ago
Activity 2 - Twitch Contractions and Summation [PowerPhys]
Activity 2 - Twitch Contractions and Summation [PowerPhys]
I got 100% on this but it took a while to do this report. I hope it helps those that want to understand better this type of contractions. Think before copying it. The best way to learn something is to understand it and make it meaningful. Have a great day!!

LABORATORY REPORT
Activity 2: Twitch Contracti
Anatomy and Physiology   deatrix   25762   Asked 10 years ago
WHAT IS THE PRIMARY ACCENTED SYLLABLE IN TES-TIH-KYOO-LAR
WHAT IS THE PRIMARY ACCENTED SYLLABLE IN TES-TIH-KYOO-LAR
A. TES
B. TIH
C. KYOO
D. LAR
Anatomy and Physiology   deidre 123   1947   Asked 8 years ago
What do you predict might happen to the pH if a drug is administered that lowers the NaHCO3 ...
What do you predict might happen to the pH if a drug is administered that lowers the NaHCO3 ...
The patient would become hyponatremia..
Anatomy and Physiology   demass   329   Asked 7 years ago
PhysioEx 9.0 Exercice 10 Activity 1
PhysioEx 9.0 Exercice 10 Activity 1
Answers to Exercice 10 Activity 1
Anatomy and Physiology   didrec   319   Asked 10 years ago
Muscle physiology- if injury was responsible for the development of soreness
Muscle physiology- if injury was responsible for the development of soreness
In a fitness test a subject repeatedly stepped up using the right leg while the left leg was used to oppose the effect of gravity in the step down. Muscle pain was experienced several hours after the test. The soreness reached a peak in 1 to 2 days and persisted for about a week. The presences of proteins specific for muscle in the subject’s serum provided evidence for muscle cell i
Anatomy and Physiology   dirtdobz   499   Asked 9 years ago
PhysioEX 9.0 Exercise 7 activity 1
PhysioEX 9.0 Exercise 7 activity 1
Exercise 7: Respiratory System Mechanics: Activity 1: Measuring Respiratory Volumes and Calculating Capacities Lab
Report
Pre-lab Quiz Results
You scored 100% by answering 5 out of 5 questions correctly.
1. Which of the following statements describing the mechanics of breathing is false?
You correctly answered: d. Ventilation relies exclusively on contractin
Anatomy and Physiology   druidpriest   29179   Asked 9 years ago
Indicate where ovulation and CL formation takes place in ovarian cycle
Indicate where ovulation and CL formation takes place in ovarian cycle
Which letter corresponds to ovulation and which corresponds to corpus luteum formation?
Anatomy and Physiology   ehd123   849   Asked 8 years ago
A few questions about muscles...
A few questions about muscles...
1. When the sarcolemma gets electrically excited, it in turn will excite the:
a. transverse tubules
b. motor end plate
c. Schwann cells

2. Muscles that control fine movements have small motor __________?

3. What is the role of the sarcoplasmic reticulum in excitation-contraction coupling?
    Does it absorb calcium, and transfer it
Anatomy and Physiology   Fiona85   317   Asked 10 years ago
Clinical Connections: Color Blindness
Clinical Connections: Color Blindness
There are two types of photoreceptors in the retina; they are the _____ and _____.
Answer: Rods; Cones

The _____ are responsible for seeing black and white during relatively low-light conditions.
Answer: Rods

The _____ are responsible for seeing colors.
Answer: Cones

The three types of cones are termed the _____, because of the length
Anatomy and Physiology   Firefly7071   631   Asked 7 years ago
Clinical Connections: Phantom Limb Pain
Clinical Connections: Phantom Limb Pain
__________ refers to a condition in which a person perceives some form of sensation from a missing limb, and thinks it still connected to the body.
Answer: Phantom Sensations

__________ is a form of phantom sensations in which the person perceives some form of discomfort (itching, burning, aching, tingling) originating from a missing limb.
Answer: Phantom Limb P
Anatomy and Physiology   Firefly7071   439   Asked 7 years ago
Clinical Connections: Synesthesia
Clinical Connections: Synesthesia
Clinical Connections: Synesthesia

Synesthesia is a condition where one involuntary sensory pathway leads to a(n) __________ sensation from another involuntary sensory pathway; the two pathways seem to act in a cross-sensing manner.
ANSWER: inappropriate

Each sensory modality (light, sound, chemicals, etc.) has its own __________, where the sensation
Anatomy and Physiology   Firefly7071   2618   Asked 7 years ago
What are the various stressors that can increase cortisol?
What are the various stressors that can increase cortisol?
Why does skin tone change (darker) when a person has Addison’s disease due to sudden withdrawal from Prednisone (hint: what happen to the adrenals and what happens to POMC?)?
Anatomy and Physiology   godgd   636   Asked 12 years ago
Your skin surface is 1.265 square meters. Theoretically, what portion of a tenni
Your skin surface is 1.265 square meters. Theoretically, what portion of a tenni
Your skin surface is 1.265 square meters. Theoretically, what portion of a tennis court could be covered by the skin surface? A tennis court is 23m in length and 11m in width?

Anatomy and Physiology   gsandhu87   229   Asked 8 years ago
Each of the following factors would increase peripheral resistance except one.
Each of the following factors would increase peripheral resistance except one.
Each of the following factors would increase peripheral resistance except one. Identify the exception.
      
increased sympathetic stimulation
      
elevated levels of epinephrine
      
vasodilation
      
irregularities in the vessel walls caused by plaques
      
factors that cause increased hematocrit
Anatomy and Physiology   han_cam   517   Asked 9 years ago
Which statements are TRUE regarding veins?
Which statements are TRUE regarding veins?
Which statements are TRUE?
      
Veins are low volume vessels, holding about 11% of the total blood volume at any moment.
      
Veins are high volume vessels holding about 60% of the total blood volume at any moment.
      
When arterial pressure falls, veins are caused to constrict by sympathetic activity, shifting blood to the arterial circulation and pressure.
Anatomy and Physiology   han_cam   620   Asked 9 years ago
Which of the following statements about angiogenesis is FALSE?
Which of the following statements about angiogenesis is FALSE?
Which of the following statements about angiogenesis is FALSE?
      
Mitogens such as vascular endothelial growth factors promote angiogenesis.
      
Cytokines such as angiostatin promote angiogenesis.
      
Scientists are currently exploring inhibitors of angiogenesis as a treatment for cancer.
      
Scientists are looking for ways to induce angiogenesis
Anatomy and Physiology   han_cam   1686   Asked 9 years ago
Is this an intact anatomically correct human hand or is it a manipulated image?
Is this an intact anatomically correct human hand or is it a manipulated image?
It is from a famous historical photo, but I am just asking about the anatomy of this hand. Based on what you know about the anatomy of the human hand, does it look like a complete, natural normal hand to you or not?
Anatomy and Physiology   Historybuff   253   Asked 7 years ago
Central Nervous System
Central Nervous System
1. Compare and contrast chemically gated and voltage gated ion channels in skeletal muscle fibers versus in neurons. Include in your discussion the variety of chemically gated ion channels and all types of voltage gated individually (Na+,K+, and Ca++). Also discuss how the distribution of voltage gated channels change in myelinated versus unmyelinated axons.

2. Explain th
Anatomy and Physiology   hninaung   556   Asked 11 years ago
Nervous System and Brain
Nervous System and Brain
1. Compare and contrast the propagation of action potentials in skeletal muscle fibers, unmyelinated and myelinated axons. Explain what factors influence the speed of propagation by these membranes. Include in your explanation the concepts of voltage, current and resistance and their effects on propagation.

2. Describe three organizing principles of cortical structures: s
Anatomy and Physiology   hninaung   1268   Asked 11 years ago
why is salivary amylase much less active in the stomach?
why is salivary amylase much less active in the stomach?
hello all

Can you help me with this question?

I know it is something related to the pH but can not figure it out?

thank you
Anatomy and Physiology   hoda   737   Asked 9 years ago
I need advice on what the picture is at the bottom left
I need advice on what the picture is at the bottom left
it's a poster for the respiratory system
Anatomy and Physiology   Honziik   118   Asked 2 years ago
human anatomy and physiology question, how do you answer this?
human anatomy and physiology question, how do you answer this?
please help i don't know how to answer this.

explain which chemical substance, it's location, and whether it has an inhibitory or excitatory effect for the following: 1. Why do people feel "high" from cocaine? 2. Michael J. Fox suffers from a disease that affects voluntary control of muscles. What causes Parkinson's disease? 3. What blocks the transmission of Substance P? 4. A murd
Anatomy and Physiology   ilikepie1234   720   Asked 12 years ago
Can anyone help with PhysioEx exercise 5 activity 8?
Can anyone help with PhysioEx exercise 5 activity 8?
If we decreased overall peripheral resistance in the human body (as in an athlete), the heart would need to generate (more/less) pressure to deliver an adequate amount of blood flow, and arterial pressure would be (higher/lower.?
Anatomy and Physiology   Janice   1016   Asked 12 years ago
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