BIOS1035_Workshop_10_2023(1)

Refer to the numbered stages in the image above. How does the membrane permeability to Na+ and K+ change during depolarization, repolarization, and hyperpolarization? Place the blue markers in order from 1-5.

Injecting an arterial fluid which is hypertonic to the moisture level of the body will ___.     add more water to the tissues     remove water from the body's tissues     bring salt and sugar molecules into the capillaries, they are removed in the venous drainage     cause decomposition to progress faster

How does the principle of dialysis help clear toxic wastes from the human body?

Cranial nerves are part of the central nervous system. Select one: True False The corpus callosum connects the cerebrum to the cerebellum. Select one: True False The effect of the somatic nervous system is always excitatory. Select one: True False The cerebral aqueduct forms cerebrospinal fluid. Select one: True O False

Lipoproteins are globular structures that are responsible for transporting lipids through the blood stream. Two types of lipoproteins are LDL and HDL. Classify each description as applying to LDL, HDL, or both. LDL HDL Both LDL and HDL Answer Bank transport excess cholesterol to the liver transport cholesterol from the liver to other tissues classified by their density "bad" cholesterol "good" cholesterol help regulate lipid metabolism increased levels are associated with atherosclerosis consist of lipids and proteins

Two 10-mL samples of urine have specific gravities of 1.003 and 1.030. What is the difference in weight, in milligrams, between the two samples? O 270 mg O 0.27 gm O 27 mg O 0.027 mg

Give two examples of how the plasma membrane functions as more than just a covering of the cell’s insides.

Identify the non-polar organic molecule which can pass freely through the plasma membrane. CH3CH2OH (ethanol) N2 (nitrogen gas) CO2 (carbon dioxide) C6H6 (benzene) C6H12O6 (glucose)

Can you please help me with this question? As a dialysis patient, Michelle has a 4-h dialysis treatment three times a week. When she arrives at the dialysis clinic, her weight, temperature, and blood pressure are taken, and blood tests are done to determine the level of electrolytes and urea in her blood. In the dialysis center, tubes to the dialyzer are connected to the catheter she has had implanted. Blood is then pumped out of her body, through the dialyzer, where it is filtered and returned to her body. As Michelle's blood flows through the dialyzer, electrolytes from the dialysate move into her blood, and and waste products in her blood move into the dialysate, which is continually renewed. To achieve normal serum electrolyte levels, dialysate fluid contains sodium, chloride, and magnesium levels that are equal to serum concentrations. The table below shows  Michelle's blood tests prior to dialysis showing  the electrolyte levels in her blood are, and A dialysate solution that is…

Is moved into a cell. H₂D Use the following diagram to answer questions 9 to 11 H₂O water particle sugar particle H₂O water particle sugar particle umo ariu carbon dioxide H₂O water partide sugar particle A B C 9) In which diagram(s) does water move into and out of the cell at the same rate? 10) In which diagrams(s) will the cell begin to swell? 11) Which diagram(s) shows what would happen if a cell were placed in salt water?

In biological systems, a FACILITATED transport process is a form of _______  transport, where an important chemical component moves with the aid of a channel or similar structure.  According to the course lectures, Zoom sessions, course lecture notes, and/or assigned course readings, one specific example of a facilitated transport structure in the cell membrane is _________ , which aids in the movement of a particular chemical component called  __________. A PASSIVE transport (or diffusion) process is one in which an important chemical component moves from where it is  in concentration to where it is ________ in concentration. Meanwhile, an ACTIVE transport process is one in which an important chemical component is moved from where it is  in concentration, to where it is _________  in concentration.  Between passive and active transport, it is _________ transport that requires energy (of some form) to occur

An 80 kg subject consumed a snack that contained 50 g of carbohydrate.  Before eating the snack the subject’s blood glucose was 5.5 mM.  Calculate the concentration of glucose (mM) that would be reached in the blood after consuming the snack.Assume that all the carbohydrate in the snack was converted to glucose, rapidly absorbed and distributed throughout the extracellular water (ECW) within 30 minutes.  Assume ECW is approximately 20% of body weight and the glucose is not metabolised further.

Question 24 Which of the following occurs when red blood cells are placed in a hypotonic solution? O crenation O they retain their shape O hemolysis O no one really knows; it's still a mystery A Moving to another question will save this response. F2 F3 F4 F5 F6 F7 F8 F9 $4 % 6. 7 W R. T. Y %24 4. %#3

One of the ways to diagnose biliary obstructive disease is that the patient will have clay-colored stool. This is caused by conjugated bilirubin flowing into the bile canaliculi for excretion.     Question 35 options:   True   False

The Nernst Equation calculates the balancing point between 2 forces (gradients) that cause an ion to move across a membrane. What are those 2 forces? Select 2 options: pressure gradient electrical gradient O gravity temperature gradient O chemical gradient

True or false. 1. In an immunoassay for drugs of abuse, any concentration greater than 0 is considered positive screen. 2. Traditionaly, drug screens are performed on blood samples because drug concentration in blood are much higher then in urine?

Whenever I worked the problem i got the same answer as the expert solution by the answer my hoemwork gave me was .850atm