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biology 2 > exam four > Flashcards

exam four Flashcards

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1
Q

which of the following is false regarding the digestive system?

A

hindgut fermenters such as rabbits and horses must chew-the-cud to mechanically help with digestion

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2
Q

*review the respiratory system diagram

A

pharynx, larynx, trachea, lungs, bronchi, bronchioles, alveoli, capillaries

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3
Q

select 2 following answers that is true about hemoglobin…

A
  1. protein containing metal found in red blood cells
  2. carries oxygen
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4
Q

which is the intermediate host for tapeworms that infect cats and dogs?

A

fleas

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5
Q

what respiratory structures allow gas exchange with the circulatory system?

A

alveoli

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6
Q

(t/f) a major function of stomach acid is to kill off most bacteria consumed

A

true

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7
Q

all vertebrates fall into the phylum ____

A

chordata

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8
Q

(t/f) sleeve gastrectomy is a bariatric surgical technique that bypasses the first portion of the small intestines

A

false

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9
Q

which of the following is false regarding the cardiovascular system?

A

diastole is a result of atrial contraction

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10
Q

(t/f) all vertebrates have a post anal tail during some portion of their development

A

true

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11
Q

body cavities are important evolutionary features because…

A

fluid cushions and allows organs to move independently allowing for greater specialization

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12
Q

once the eggs are deposited in nature, the route of infection for Ascaris infection is…

A

accidental swallowing eggs from the environment

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13
Q

systolic pressure is…

A

when the ventricles of the heart contract

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14
Q

what does the t-wave represent in the ECG?

A

reset of the heart

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15
Q

select all of the following that is true about mammals (4)

A

feed young milk, bony exoskeleton, endothermic, internal fertilization

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16
Q

select all the following that are functions of the pancreas (2)

A

neutralize acid from the stomach, maintains blood sugar levels

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17
Q

which of the following is an amniote?

A

reptiles

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18
Q

which of the following contains a swim bladder for buoyancy?

A

osteichthyans

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19
Q

which of the following is not correct on HDL/LDL?

A

LDL in the blood pick up fatty deposits and carry it back to the liver

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20
Q

cnidarians have a combined digestive system and circulatory system called a ____

A

gastrovascular cavity

21
Q

select all the following that are true regarding the phylum porifera (3)

A

lack true tissues, includes sponges, filter feeders

22
Q

which of the following has electro-receptors for detecting prey?

A

chondrichthyans

23
Q

(t/f) mollusks include snails, clams, oysters, octopuses, and squid

A

true

24
Q

open circulatory system are seen in the ____

A

arthropods

25
Q

once hookworm eggs hatch into larvae and are deposited in nature, the route of infection for humans is…

A

burrowing through the skin

26
Q

_____________ have the largest number of extinctions among all other animals groups

A

molluscs

27
Q

select all of the following that is true about reptiles (4)

A

internal fertilization, bony exoskeleton, fingernail-like scaly skin, shelled eggs

28
Q

which of the following is not correct on blood plasma?

A

blood plasma is usually eliminated when giving blood

29
Q

(t/f) blood contains 2 parts, formed elements and liquid

A

true

30
Q

match photoautotroph, photoheterotroph, chemoheterotroph, chemoautotroph

A

photoautroph = using energy from light, obtaining carbon from inorganic molecules such as CO2

chemoautotroph = both energy and carbon source are inorganic molecules

photoheterotroph = uses light energy to obtain organic molecules

chemoheterotroph = both energy and carbon come from acquiring organic molecules

31
Q

match the following parts of the egg (answers may be used more than once)
amnion, chorion, yolk, yolk, albumin, allantois

A

amnion = protection
chorion = part of the placenta in mammals
yolk = nourishment
albumin = nourishment
allantois = collects waste

32
Q

Once the tapeworm eggs hatch in the pig or cow digestive tract, the larvae will migrate and lodge in the ____________ of the pig or cow

A

muscles

33
Q

Which of the following has 4 chambered hearts?

A

eagles, humans, alligators

34
Q

Stroke is disruption of blood flow to the _____________________

A

brain

35
Q

The pulmonary circuit delivers blood to the _______________

A

lungs

36
Q

Animals that have an exoskeleton with jointed appendages are…

A

arthropods

37
Q

Which of the following is false on pos/neg pressure breathing?

A

Frogs use negative pressure to force air down to the lungs from throat muscles

38
Q

where do the vocal cords sit?

A

larynx

39
Q

which of the following has a “nerve net” instead of a central nervous system?

A

jellyfish

40
Q

*review digestive tract diagram

A

salivary glands, liver, gall bladder, pancreas, mouth, esophagus, stomach, large intestine, small intestine, rectum, anus

41
Q

select all that is true about insects (2)

A

lay eggs on food source, have wings

42
Q

what agent emulsifies (i.e. helps homogenize) consumed fats and lipids?

A

bile

43
Q

(t/f) The purpose of bariatric surgery is to reduce the amount of food that can be consumed to lose weight without having to monitor caloric intake and exercise

A

false

44
Q

some animals (e.g. mollusks and some arthropods) have blue blood due to oxygen binding proteins that contain ___________

A

copper

45
Q

*review egg diagram

A

allantois, chorion, yolk, albumin, shell, amnion, embryo

46
Q

The circulatory system exchanges products with the tissues in the _______________

A

capillaries

47
Q

humans have _______ circulatory circuits.

A

2

48
Q

match the digestive organs with functions…

mouth,stomach, small intestine, large intestine, liver, pancreas

A

mouth = break down of carbs

stomach = break down of protein

small intestine = main site of chemical digestion and absorbtion of all digestible food

large intestine = site of water and mineral absorbtion and preparation of feces

liver = produces bile and detoxifies aborbed substances

pancreas = produces digestive enzymes

49
Q

What structure prevents food from entering the wind pipe when swallowing?

A

epiglottis

biology 2 (5 decks)

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