Exam 12

Question 1

A correct, but not necessarily adjacent, sequence for urine exiting the body i

Answer 1

nephron, renal pelvis, ureter, bladder, urethra

Question 2

compared to water, plasma is a ___ buffer and creates _____ number of H ions per bicarbonate

Answer 2

plasma is a better buffer and creates same number of H ions

Question 3

Correct statements about hemoglobin’s role in gas transport are what

Answer 3

it contains four binding sites for oxygen, its saturation is directly dependent on oxygen, it can increase the amount of oxygen transferred, and more hemoglobins are carrying 0 than 2 oxygens

Question 4

A change (either ↑ or ↓) in the ventilation rate would what

Answer 4

neither!!

Question 5

In the lab, Julie uses her physiology knowledge to study mouse hemoglobin. She learns that it has the same functions as human hemoglobin. In the paper that details her findings, correct facts that might be found are what

Answer 5

carbon monoxide does bind to the same site as oxygen, DPG does not bind to the same site as oxygen, the third oxygen that binds has a greater affinity than the first one that bound, and the presence of carbon dioxide causes the hemoglobin saturation curve to move toward the right.

Question 6

Someone experiencing hyperventilation will have an _____ the blood pH and an _____ in hemoglobin’s affinity to oxygen.

Answer 6

increase in blood pH and increase in affinity

Question 7

You read a Lantern story about a researcher who died from an inhibition of his oxidative phosphorylation. You correctly determined that this individual was impacted by what

Answer 7

histotoxic hypoxia

Question 8

what are typical components of filtrate

Answer 8

calcium

Question 9

hemoglobins affinity for O2 decrease when

hemoglobins affinity for O2 increases when

Answer 9

decreases- CO2, H ion, High temp present

Increases- high levels O2

Question 10

after micturition process has begun but before restroom has been reached the cytosolic calcium levels in the ____ sphincter is ______

Answer 10

internal urethral sphincter are decreasing

Question 11

with increased activity the venous reserve will _____ and the venous pH will

Answer 11

reserve will decrease and the venous pH will decrease

Question 12

During the nice weather over the weekend, you moved your study location to the Oval. While stretched out on your blanket, you pour over your notes. Unfortunately, a yellow lab (i.e., a dog) walks up and pours his urine (i.e., urinates) all over your notes. He accomplished this devastating feat by what

Answer 12

utilizing his voluntary control of his external urethral sphincter and increasing the pressure within his bladder due to parasympathetic activity.

Question 13

You joined an expedition to a planet in a galaxy, far, far way. After arriving, you are diagnosed as having hypoxia. After numerous tests, the doctors eliminate hypoxic and anemic hypoxias. They correctly explain to you that your hypoxia is due to what

Answer 13

extreme dehydration you are experiencing

Question 14

Four factors were presented in lecture as decreasing oxygen-binding to hemoglobin. A process links them because their what

Answer 14

presence indicates where O2 is being used and

increases in active tissues

Question 15

A correct statement about the freedivers (breath-hold divers) is that they are what

Answer 15

experiencing respiratory acidosis by the end of the dive

and before diving they would benefit from hyperventilating

Question 16

You interview at a start-up pharmaceutical company. You quickly realize that they do not have your physiology knowledge because they are confounded about why their star drug is quickly disappearing from patients’ plasma. To obtain the job, you correctly tell them what

Answer 16

they should attach their drug to fibrinogen

Question 17

A passing football player’s cleat causes a deep cut in Brutus’ calf. If the blood from this cut is exclusively venous, Brutus’ body will have its level of ________ decrease at a faster rate than before the cut

Answer 17

all three!!

H, CO2, and O2 will decrease

Question 18

After resolving her earlier hypertension scare, Carmen begins her new endurance training but quickly over does it. She ends up vomiting and feels much better afterwards. Correct statements about Carmen’s physiology just prior to vomiting are what?

Answer 18

the nausea would not have been resolved by breathing into a bag,
her blood pH was too low,
and the hemoglobin in her arteries had a reduction in their affinity for oxygen.