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Nursing School WCU > Phys Lecture Quiz 7 > Flashcards

Phys Lecture Quiz 7 Flashcards

1
Q

Stimulus for the activation of the RAAS system include which of the following?

A

Low blood pressure, low sodium concentration in the distal tubule of the kidney, and sympathetic nervous system activation.

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2
Q

Calcium reabsorption in the _____________ is dependent on the hormone PTH.

A

distal convoluted tubule

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3
Q

The characteristic yellow color of urine is from the presence of..WHAT….

A

urobilin

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4
Q

Which ion is NOT directly regulated by the kidney?

A

OH-

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5
Q

The Bowman’s capsule and glomerulus make up the___________

A

renal corpuscle

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6
Q

The portion of the nephron closest to the renal corpuscle is the

A

proximal convoluted tubule

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7
Q

The myogenic response is the Intrinsic ability of vascular smooth muscle to respond to pressure changes.

A

True

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8
Q

The segment of the nephron between the proximal and distal tubules that loops down into the medulla of the kidney and returns back to the cortex is called the____________.

A

Loop of Henle

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9
Q

Glucose and amino acids are reabsorbed by_____________

A

secondary active transport or proximal convoluted tubule.

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10
Q

The amount of filtrate entering Bowman’s capsule each minute is the filtration fraction.

A

glomerular filtration rate (GFR)

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11
Q

The vasa recta are the long peritubular capillaries that dip into the medulla.

A

True

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12
Q

Place the following blood vessels that carry blood to and within the kidney in the order in which blood passes through them.
1. afferent arteriole
2. efferent arteriole
3. glomerulus
4. peritubular capillary

A

(1) afferent arteriole, (3) glomerulus, (2) efferent arteriole, (4) peritubular capillary.

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13
Q

In a normal kidney, which condition would increase the glomerular filtration rate (GFR)?

A

High blood pressure, increased blood flow to the kidneys, or dilation of the afferent arteriole.

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14
Q

The Kidneys respond relatively quickly to changes in blood volume.

A

True

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15
Q

The primary osmoreceptors are located in the___________.

A

hypothalamus

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16
Q

When baroreceptors in the carotid and aortic bodies sense increased blood pressure, this results in___________.

A

decreased secretion of aldosterone

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17
Q

The ________ is a significant site of absorption of water and electrolytes, but NOT of nutrients.

A

large intestine

18
Q

Which is the sequence of layers from the lumen to the outer wall of the digestive tract?

A

mucosa, submucosa, muscularis, and serosa

19
Q

A hormone that helps to regulate the sodium ion concentration of the blood is

A

Aldosterone (ALD)

20
Q

What is correct about Thirst?

A

primarily stimulated by an increase in plasma osmolality or a decrease in blood volume and pressure.

21
Q

The hormone atrial natriuretic peptide increases aldosterone secretion.

A

false

22
Q

The enzyme renin is responsible for the production of..WHAT???

A

angiotensin I

23
Q

The most important factor affecting the pH of plasma is the concentration of______________________.

A

bicarbonate ions.

24
Q

Which is most likely to be observed in a patient with compensated respiratory alkalosis?

A

kidneys conserve bicarbonate

25
Q

Vomiting of the stomach’s contents can cause____________.

A

metabolic acidosis

26
Q

The enzyme that catalyzes the conversion of H2O and CO2 to H2CO3 is called_________________

A

Carbonic anhydrase

27
Q

In a state of alkalosis, the neurons become hyperexcitable, and severe can lead to muscle tetanus.

A

True

28
Q

An explorer has been lost in the desert for two days with very little water. As a result, you would expect to observe________________

A

elevated vasopressin levels.

29
Q

In the body, 80% of all lymphocytes, a type of immune system cell, are thought to be present in the

A

True

30
Q

_________ is a type of motility that moves food down the GI tract.

A

Peristalsis.

31
Q

The enzyme that digests fats is ________.

A

Lipase.

32
Q

In response to the hormone cholecystokinin (CCK), the pancreas secretes _________________

A

Enzyme-rich pancreatic juice.

33
Q

Chief cells secrete…WHAT

A

Pepsinogen

34
Q

Parietal cells secrete WHAT?

A

Hydrochloric acid (HCl)

35
Q

G cells of the stomach secrete..WHAT

A

Gastrin

36
Q

Mucus functions in…WHAT

A

Protects the stomach lining from acid and enzymes

37
Q

The gastric phase of digestion is triggered by the WHAT?

A

The presence of food in the stomach.

38
Q

The gastric content after the stomach has processed and produced semi-digested food, is called ________.

A

Chyme

39
Q

A blockage of the ducts from the parotid glands would__________________.

A

Inhibit the secretion of saliva, possibly leading to dry mouth and difficulty in swallowing.

40
Q

In response to the hormone cholecystokinin (CCK), the pancreas secretes a fluid that contains bicarbonate. T/F

A

True

Nursing School WCU (18 decks)

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