Bio Exam 3

Question

A common double stranded RNA virus invades your body and enters the bloodstream. What happens next?

Answer 1

B cells develop specific antibodies to bind to and fight the virus

Answer 2

MHC's latch on to the virus, targeting it for degradation

Answer 3

Toll-like receptors bind to the virus, making it undergo apoptosis

Answer 4

Natural killer cells inject the virus, making it undergo apoptosis

Answer 5

A secondary immune response activates

Answer 6

A. Has a higher oxygen content than blood found in the arteries supplying the intestines.

Answer 7

B. receives the entire body's blood supply as the blood prepares to enter the glomerular capillaries

Answer 8

C. Has a smooth muscle layer in the middle of its arterial wall that can constrict and relax, controlling diameter

Answer 9

A, B, and C

Answer 10

the liver receives the chyme-like fluid from the stomach and intestines, where it releases bile and helps solubilize the fats

Answer 11

the liver secretes and stores bile which aids in fat solubilization

Answer 12

the liver secretes bile, which gets transported to the gull bladder, where it is stored and secreted into the bile duct (and eventually into the duodenum), aiding fat digestion

Answer 13

the liver secretes bile, which gets transported to the gall bladder, where it is stored and secreted into the bile duct (and eventually into the duodenum), aiding protein digestion

Answer 14

Is open during arteriole systole

Answer 15

is open during ventricular systole

Answer 16

passes deoxygenated blood

Answer 17

is found on the right side of the heart

Answer 18

all of the above

Answer 19

Chemoreceptors on the aorta and carotid will fire, telling the inspiratory neurons in the medulla to fire faster, resulting in hyperventilation

Answer 20

hemoglobin will be actively releasing loaded oxygens

Answer 21

CO2 levels will also decrease, shifting the oxygen hemoglobin dissociation curve to the right

Answer 22

iron will bind more tightly to oxygen

Answer 23

residual volume would decrease

Answer 24

A. Glucose filtration through the glomerular capillaries is linear in a plasma glucose range of 0-500 mg/dl

Answer 25

B. transporters for glucose become saturated around a plasma glucose level of 200 mg/dl

Answer 26

C. reabsorption of glucose matches glucose filtration rate under a plasma glucose rate of about 200 mg/dl

Answer 27

A, B, and C

Answer 28

The graph would be unaffected as insulin stores sugar into muscle, fat and liver cells

Answer 29

the filtered glucose line would be steeper

Answer 30

the filtered glucose line would be flatter

Answer 31

the excreted glucose would start farther, around 300 mg/dl instead of around 200 mg/dl

Answer 32

the reabsorbed glucose would plateau at a higher level (for example, 300 mg/min instead of 200 mg/min)

Answer 33

Vasodilation of blood vessels to the skin

Answer 34

heightened aldosterone release from the adrenal cortex

Answer 35

increased urine production

Answer 36

inhibition of the angiotensin-converting enzyme secreted from the lungs

Answer 37

increased blood flow to the small intestine capillaries

Answer 38

A. tidal volume must have increased

Answer 39

B. vital capacity must have decreased

Answer 40

C. total lung capacity must have decreased

Answer 41

3, 6, and 7

Answer 42

A. Represents atrial contraction

Answer 43

B. happens while the semilunar valves are closed

Answer 44

C. can give information about cardiac output

Answer 45

D. gives information about the oxygenated content of the blood

Answer 46

macrophages

Answer 47

natural killer cells

Answer 48

histamine release following a cut

Answer 49

neutrophils

Answer 50

major histocompatibility complexes

Answer 51

red blood cells

Answer 52

LH (hormone used to detect ovulation status in females)

Answer 53

A. elevated glucose levels may result in hypotonic urine

Answer 54

B. an individual with high blood pressure could have normal glucose levels

Answer 55

C. patient a and c are probably at about the same level of health, given only the numbers in the above table

Answer 56

A, B, and C

Answer 57

It would be type II if the insulin levels in the blood are normal

Answer 58

it would be type II if they were also obese

Answer 59

it would be type II if they didn't respond to insulin injections

Answer 60

it would be type I if glucose showed up in the urine

Answer 61

it would be type I if exercise doesn't help at all

Answer 62

A. blood oxygen content would be higher than the arterial end

Answer 63

B. blood flow (velocity) would be faster than the arterial end

Answer 64

C. valves promote unidirectional flow of the blood

Answer 65

D. blood CO2 content would be lower that the arterial end

Answer 66

A. stroke volume would decrease

Answer 67

B. cardiac output would decrease

Answer 68

C. ventricular systole may not occur

Answer 69

A, B, and C

Answer 70

Carbonic anhydrase will drive the reaction towards more carbon dioxide production

Answer 71

the blood exiting the lungs will have a higher pH than the blood entering the lungs

Answer 72

this reaction doesn't occur in the lungs, it occurs in red blood cells in the tissues fo the body

Answer 73

reaction 2 will remain unchanged but reaction 1 will change

Answer 74

none of the above are true

Answer 75

The above equation would shift to the left

Answer 76

the above equation would shift to the right

Answer 77

in the above equation, step 2 would stop happening

Answer 78

in the above equation, step 1 would happen faster

Answer 79

a person may begin to hypo-ventilate

Answer 80

All of these are essential and must be consumed in the diet

Answer 81

only the ones that cannot be synthesized from other macromolecules in the body are essential

Answer 82

essential amino acids are the ones that are found in animal tissues

Answer 83

essential amino acids are the ones that are only found in plant tissues

Answer 84

there are no essential amino acids, your body can make whatever it needs from other molecules

Answer 85

A. remove wastes from cells more efficiently

Answer 86

B. release more oxygen into the body

Answer 87

C. cause more fluid to flow into the interstitial space

Answer 88

A and B are true

Answer 89

All of the above are true

Answer 90

it is associated with a fever

Answer 91

it is associated with low blood pressure

Answer 92

white blood cell count drastically increases in a short period of time

Answer 93

all of the above

Answer 94

none of the above

Answer 95

prevent digestion as the fish is too big to digest

Answer 96

have no effect on digestion or ingestion of the fish

Answer 97

slow the rate of ingestion but increase the rate of digestion

Answer 98

increase the rate of ingestion and increase the rate of digestion

Answer 99

increase the rate of ingestion and decrease the rate of digestion

Answer 100

the fluid would ultimately be picked up by the circulatory system

Answer 101

the fluid would be picked up by the digestive system

Answer 102

the fluids would diffuse back to the heart

Answer 103

there would be a lot of swelling

Answer 104

you would probably get an infection very quickly

Answer 105

is a hormone that signals hunger

Answer 106

is a hormone that signals you to eat

Answer 107

is a hormone that signals satiety (you are full)

Answer 108

is a hormone that stimulates contraction of the smooth muscle in the stomach

Answer 109

is a hormone that is important in mice but not in humans

Answer 110

Proximal tubule

Answer 111

descending loop of henle

Answer 112

ascending loop of henle

Answer 113

distal tubule

Answer 114

collecting duct

Answer 115

both are part of the innate immune system

Answer 116

they are both only found in vertebrates

Answer 117

they originate from different sources in the body

Answer 118

there are types of lymphocytes

Answer 119

they bind to antigens or fragments of antigens

Answer 120

innate; primary

Answer 121

innate; secondary

Answer 122

adaptive; primary

Answer 123

adaptive; secondary

Answer 124

leave hemoglobin and bind to myoglobin at your muscles

Answer 125

leave myoglobin and bind to hemoglobin at your muscles

Answer 126

bind equally to myoglobin and hemoglobin in your muscles

Answer 127

not know what to do at your muscles so it will combine with H+ to make water

Answer 128

cannot determine

Answer 129

A. human fetal hemoglobin behaves like it is operating at a higher temperature than human maternal hemoglobin

Answer 130

B. human maternal hemoglobin unloads oxygen easier than human fetal hemoglobin

Answer 131

C. human fetal hemoglobin behaves like it is operating at a higher pH than human maternal hemoglobin

Answer 132

blood plasma levels increasing

Answer 133

a greater risk of bleeding following a cut

Answer 134

a greater risk of developing blood clots

Answer 135

a higher proportion of white blood cells

Answer 136

fewer hemoglobins in systematic circulation

Answer 137

A. proteins

Answer 138

C. carbohydrates

Answer 139

A and B only

Answer 140

A, B, and C

Answer 141

vasodilation

Answer 142

increased total peripheral resistance

Answer 143

decreased heart rate

Answer 144

decreased stroke volume

Answer 145

none of the above

	Criado por Mackenzie Ortlieb mais de 5 anos atrás

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