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SELECT ALL THAT APPLY Which factors most influence survival after drowning? Select all that apply

Paramedics are called to football training camp in late August. A 16-year-old has been exercising in the sun and sweating profusely. He has been drinking water at regular intervals throughout the day. His skin is hot and sweaty, and he is alert and normotensive.Which complaint will the paramedics likely encounter? (Refer to the previously described scenario.)

During osmosis,a. water moves against its concentration gradient.b. the solute moves against its concentration gradient.c. water moves to an area of higher solute concentration.d. both a and b are correct.e. both a and c are correct.f. All of the above are correct.

All of the following are true regarding the sliding filament mechanism except:a. Distance between Z lines decreases.b. H bands shorten as thin filaments are pulled toward the middle.c. A bands remain the same length.d. I bands increase in length.e. Successive A bands move closer together.

Conn’s syndrome is an endocrine disorder that results in excessive secretion of aldosterone.  Describe what some  prominent symptoms of this condition would be by choosing all of the relevant answers below.  Hint: Your final answer should have only three letters.  a.  Decreased blood K+ b.  Increased blood K+ c.  Increased blood Na+ d.  Decreased blood Na+ e.  Decreased blood pressure f.   Increased blood pressure

Which is false regarding tubular reabsorption?a. Thin segment of ascending limb is permeable to sodium.b. Descending limb of loop is highly permeable to sodium.c. Thick segment of ascending limb exhibits active transport of sodium.d. Water is passively transported in the collecting duct.e. Majority of filtrate is reabsorbed before it reaches the loop of Henle.

During the rising phase of the action potential:a. Permeability of the membrane to potassium (PK+) is much greater than the permeability of the membrane to sodium (PNa+).b. PK+ is the same as PNa+.c. PNa+ is much greater than PK+.d. Na+ exits the cell.e. None of the above is correct.

Isovolumetric ventricular contraction is characterized by all of the following except:a. The first heart sound.b. Constant ventricular volume.c. Decreasing intraventricular pressure.d. Closed AV valves.e. All of the above are true.

Which of the following is not secreted by the stomach? a.  Mucus b.  Pepsinogen c.  HCl d.  Intrinsic factor e. Cholecystokinin

An individual has a blood pressure of 120/80.  What is the pulse pressure? a.  200 mmHg b.  40 mmHg c.  1.5 mmHg d.  9600 mmHg e.  None of the above are pulse pressures.